http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawAggregator.java
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a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawAggregator.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawAggregator.java
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--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawAggregator.java
+++ /dev/null
@@ -1,517 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.raw;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.eagle.query.aggregate.AggregateFunctionType;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.apache.eagle.log.entity.meta.EntityDefinition;
-import org.apache.eagle.log.entity.meta.EntitySerDeser;
-import org.apache.eagle.log.entity.meta.IntSerDeser;
-import org.apache.eagle.log.entity.meta.LongSerDeser;
-import org.apache.eagle.log.entity.meta.Qualifier;
-import org.apache.eagle.common.ByteUtil;
-
-public class TestRawAggregator {
-       private static final Logger LOG = 
LoggerFactory.getLogger(TestRawAggregator.class);
-       
-       private EntityDefinition ed;
-       @SuppressWarnings("unchecked")
-       @Before
-       public void setup(){
-               ed = new EntityDefinition();
-               Qualifier q = new Qualifier();
-               q.setDisplayName("numHosts");
-               q.setQualifierName("a");
-               EntitySerDeser<?> serDeser = new IntSerDeser();
-               q.setSerDeser((EntitySerDeser<Object>)(serDeser));
-               ed.getDisplayNameMap().put("numHosts", q);
-               q = new Qualifier();
-               q.setDisplayName("numClusters");
-               q.setQualifierName("b");
-               serDeser = new LongSerDeser();
-               q.setSerDeser((EntitySerDeser<Object>)(serDeser));
-               ed.getDisplayNameMap().put("numClusters", q);
-       }
-       
-       private Map<String, byte[]> createQualifiers(final String cluster, 
final String datacenter, final String rack, int numHosts, long numClusters){
-               Map<String, byte[]> qualifiers = new HashMap<String, byte[]>();
-               qualifiers.put("cluster", cluster == null ? null : 
cluster.getBytes());
-               qualifiers.put("datacenter", datacenter == null ? null : 
datacenter.getBytes());
-               qualifiers.put("rack", rack == null ? null : rack.getBytes());
-               qualifiers.put("numHosts", ByteUtil.intToBytes(numHosts));
-               qualifiers.put("numClusters", 
ByteUtil.longToBytes(numClusters));
-               return qualifiers;
-       }
-
-       @Test
-       public void testZeroGroupbyFieldSingleFunctionForSummary(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc1", "rack126", 15, 
2));
-               
-               RawAggregator agg = new RawAggregator(new ArrayList<String>(), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       
-                       double total = 0.0;
-                       for(Map<String, byte[]> e : entities){
-                               int a = ByteUtil.bytesToInt(e.get("numHosts"));
-                               total += a;
-                       }
-                       
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0).doubleValue(), total, 0.00000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(new ArrayList<String>(), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       double total = 0.0;
-                       for(Map<String, byte[]> e : entities){
-                               long a = 
ByteUtil.bytesToLong(e.get("numClusters"));
-                               total += a;
-                       }
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0).doubleValue(), total, 0.00000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(new ArrayList<String>(), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0).doubleValue(), 5, 0.0000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testSingleGroupbyFieldSingleFunctionForSummary(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc2", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc1", "rack126", 15, 
2));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total1 = 0.0;
-                       total1 += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
-                       double total2 = 0.0;
-                       total2 += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total2 += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0).doubleValue(), 
total1, 0.0000000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), total2, 
0.00000000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total1 = 0.0;
-                       total1 += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
-                       double total2 = 0.0;
-                       total2 += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), total1, 
0.000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), total2, 
0.000000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total1 = 0.0;
-                       total1 += 
ByteUtil.bytesToLong(entities.get(0).get("numClusters"));
-                       total1 += 
ByteUtil.bytesToLong(entities.get(1).get("numClusters"));
-                       total1 += 
ByteUtil.bytesToLong(entities.get(2).get("numClusters"));
-                       
-                       double total2 = 0.0;
-                       total2 += 
ByteUtil.bytesToLong(entities.get(3).get("numClusters"));
-                       total2 += 
ByteUtil.bytesToLong(entities.get(4).get("numClusters"));
-                       
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), total1, 
0.0000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), total2, 
0.0000000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total1 = 0.0;
-                       total1 += 
ByteUtil.bytesToLong(entities.get(0).get("numClusters"));
-                       total1 += 
ByteUtil.bytesToLong(entities.get(1).get("numClusters"));
-                       total1 += 
ByteUtil.bytesToLong(entities.get(3).get("numClusters"));
-                       total1 += 
ByteUtil.bytesToLong(entities.get(4).get("numClusters"));
-                       
-                       double total2 = 0.0;
-                       total2 += 
ByteUtil.bytesToLong(entities.get(2).get("numClusters"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), total1, 
0.00000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), total2, 
0.00000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       
-       @Test
-       public void testSingleGroupbyFieldSingleFunctionForCount(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc2", "rack126", 15, 
2));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total1 = 0.0;
-                       total1 += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total1 += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
-                       double total2 = 0.0;
-                       total2 += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total2 += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), total1, 
0.0000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), total2, 
0.0000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(4), 
0.00000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), (double)(1), 
0.00000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("can not aggregate", ex);
-                       Assert.fail("can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleFieldsSingleFunctionForSummary(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc1", "rack126", 15, 
2));
-               entities.add(createQualifiers("cluster2", null, "rack126", 1, 
3));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster", 
"datacenter"), Arrays.asList(AggregateFunctionType.sum), 
Arrays.asList("numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(3, result.size());
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1")).get(0), total, 
0.00000000000000000000000001);
-                       
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1")).get(0), total, 
0.0000000000000000000000001);
-                       
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1")).get(0), total, 
0.0000000000000000000000001);
-                       
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(5).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned")).get(0), 
total, 0.0000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("cluster", "datacenter", 
"rack"), Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"), 
ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(5, result.size());
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack123")).get(0), total, 0.0000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack128")).get(0), total, 0.0000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack125")).get(0), total, 0.0000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack126")).get(0), total, 0.0000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(5).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned", 
"rack126")).get(0), total, 0.0000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleFieldsSingleFunctionForCount(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc1", "rack126", 15, 
2));
-               entities.add(createQualifiers("cluster2", null, "rack126", 1, 
3));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster", 
"datacenter"), Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"), 
ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(3, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1")).get(0), 
(double)(3), 0.00000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1")).get(0), 
(double)(2), 0.0000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned")).get(0), 
(double)(1), 0.000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("cluster", "datacenter", 
"rack"), Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(5, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack123")).get(0), (double)(2), 0.0000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack128")).get(0), (double)(1), 0.0000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack125")).get(0), (double)(1), 0.0000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack126")).get(0), (double)(1), 0.0000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned", 
"rack126")).get(0), (double)(1), 0.0000000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testSingleGroupbyFieldMultipleFunctions(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc2", "rack126", 15, 
2));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum, AggregateFunctionType.count), 
-                               Arrays.asList("numHosts", "*"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), total, 
0.0000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(1), (double)(3), 
0.00000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), total, 
0.0000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(1), (double)(2), 
0.0000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count, AggregateFunctionType.sum), 
Arrays.asList("*", "numHosts"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(4), 
0.00000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(1), total, 
0.00000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new RawAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count, AggregateFunctionType.sum, 
AggregateFunctionType.sum), 
-                               Arrays.asList("*", "numHosts", "numClusters"), 
ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(4), 
0.000000000000000000000000001);
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(1), total, 
0.0000000000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToLong(entities.get(0).get("numClusters"));
-                       total += 
ByteUtil.bytesToLong(entities.get(1).get("numClusters"));
-                       total += 
ByteUtil.bytesToLong(entities.get(2).get("numClusters"));
-                       total += 
ByteUtil.bytesToLong(entities.get(3).get("numClusters"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(2), total, 
0.00000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(4), 
0.000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(1), total, 
0.00000000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToLong(entities.get(4).get("numClusters"));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(2), total, 
0.000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleGroupbyFieldsMultipleFunctions(){
-               List<Map<String, byte[]>> entities = new ArrayList<Map<String, 
byte[]>>();
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 12, 
2));
-               entities.add(createQualifiers("cluster1", "dc1", "rack123", 20, 
1));
-               entities.add(createQualifiers("cluster1", "dc1", "rack128", 10, 
0));
-               entities.add(createQualifiers("cluster2", "dc1", "rack125", 9, 
2));
-               entities.add(createQualifiers("cluster2", "dc1", "rack126", 15, 
2));
-               
-               RawAggregator agg = new RawAggregator(Arrays.asList("cluster", 
"rack"), Arrays.asList(AggregateFunctionType.sum, AggregateFunctionType.count), 
-                               Arrays.asList("numHosts", "*"), ed);
-               try{
-                       for(Map<String, byte[]> e : entities){
-                               agg.qualifierCreated(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 4);
-                       double total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(0).get("numHosts"));
-                       total += 
ByteUtil.bytesToInt(entities.get(1).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack123")).get(0), 
total, 0.000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack123")).get(1), 
(double)(2), 0.00000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(2).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack128")).get(0), 
total, 0.00000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack128")).get(1), 
(double)(1), 0.00000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(3).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack125")).get(0), 
total, 0.000000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack125")).get(1), 
(double)(1), 0.0000000000000000000000001);
-                       total = 0.0;
-                       total += 
ByteUtil.bytesToInt(entities.get(4).get("numHosts"));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack126")).get(0), 
total, 0.00000000000000000000000001);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack126")).get(1), 
(double)(1), 0.000000000000000000000000001);
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawHBaseLogReaderAndAgg.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawHBaseLogReaderAndAgg.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawHBaseLogReaderAndAgg.java
deleted file mode 100644
index a304ea9..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/raw/TestRawHBaseLogReaderAndAgg.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.raw;
-
-import org.junit.Test;
-
-public class TestRawHBaseLogReaderAndAgg {
-       @Test
-       public void testRawReaderAndAgg(){
-               
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAggregator.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAggregator.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAggregator.java
deleted file mode 100644
index 135e6d0..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAggregator.java
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-
-import junit.framework.Assert;
-
-import org.apache.eagle.query.aggregate.*;
-import org.codehaus.jackson.JsonFactory;
-import org.codehaus.jackson.annotate.JsonProperty;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.apache.eagle.log.base.taggedlog.TaggedLogAPIEntity;
-import org.apache.eagle.query.aggregate.Aggregator;
-
-public class TestAggregator {
-       private final static Logger LOG = 
LoggerFactory.getLogger(TestAggregator.class);
-       
-       public static class AggregatedSampleAPIEntityFactory implements 
AggregateAPIEntityFactory {
-               @Override
-               public AggregateAPIEntity create(){
-                       return new AggregatedSampleAPIEntity();
-               }
-       }
-       
-       
-       public static class TestAPIEntity extends TaggedLogAPIEntity{
-               private String numTotalAlerts;
-               private String usedCapacity;
-               private String status;
-
-               public String getStatus() {
-                       return status;
-               }
-
-               public void setStatus(String status) {
-                       this.status = status;
-               }
-
-               public String getNumTotalAlerts() {
-                       return numTotalAlerts;
-               }
-
-               public void setNumTotalAlerts(String numTotalAlerts) {
-                       this.numTotalAlerts = numTotalAlerts;
-               }
-
-               public String getUsedCapacity() {
-                       return usedCapacity;
-               }
-
-               public void setUsedCapacity(String usedCapacity) {
-                       this.usedCapacity = usedCapacity;
-               }
-       }
-       
-
-
-       public static class AggregatedSampleAPIEntity extends 
AggregateAPIEntity{
-               private long numTotalAlerts;
-       
-               @JsonProperty("nTA")
-               public long getNumTotalAlerts() {
-                       return numTotalAlerts;
-               }
-       
-               public void setNumTotalAlerts(long numTotalAlerts) {
-                       this.numTotalAlerts = numTotalAlerts;
-               }
-       }
-       
-       @Test
-       public void testAggregate(){ 
-               try{
-                       final AggregatedSampleAPIEntity root = new 
AggregatedSampleAPIEntity();
-                       List<String> sumFunctionFields = 
Arrays.asList("numTotalAlerts");
-                       boolean counting = true;
-                       List<String> groupbys = 
Arrays.asList(Aggregator.GROUPBY_ROOT_FIELD_NAME, "cluster");
-                       List<AggregateParams.SortFieldOrder> sortFieldOrders = 
new ArrayList<AggregateParams.SortFieldOrder>();
-                       sortFieldOrders.add(new 
AggregateParams.SortFieldOrder("numTotalAlerts", false));
-                       Aggregator agg = new Aggregator(new 
AggregatedSampleAPIEntityFactory(), root, groupbys, counting, 
sumFunctionFields);
-                       List<TestAPIEntity> list = new 
ArrayList<TestAPIEntity>();
-                       TestAPIEntity entity = new TestAPIEntity();
-                       entity.setTags(new HashMap<String, String>());
-                       entity.getTags().put("category", "checkHadoopFS");
-                       entity.getTags().put("rack", "rack123");
-                       entity.getTags().put("cluster", "cluster1");
-                       entity.setNumTotalAlerts("123");
-                       entity.setUsedCapacity("12.5");
-                       entity.setStatus("live");
-                       list.add(entity);
-       
-                       TestAPIEntity entity2 = new TestAPIEntity();
-                       entity2.setTags(new HashMap<String, String>());
-                       entity2.getTags().put("category", "checkHadoopFS");
-                       entity2.getTags().put("rack", "rack124");
-                       entity2.getTags().put("cluster", "cluster2");
-                       entity2.setNumTotalAlerts("35");
-                       entity2.setUsedCapacity("32.1");
-                       entity2.setStatus("dead");
-                       list.add(entity2);
-                       
-                       TestAPIEntity entity3 = new TestAPIEntity();
-                       entity3.setTags(new HashMap<String, String>());
-                       entity3.getTags().put("category", "checkHadoopFS");
-       //              entity3.getTags().put("rack", "rack124");
-                       entity3.getTags().put("cluster", "cluster2");
-                       entity3.setNumTotalAlerts("11");
-                       entity3.setUsedCapacity("82.11");
-                       entity3.setStatus("live");
-                       list.add(entity3);
-                                               
-                       TestAPIEntity entity4 = new TestAPIEntity();
-                       entity4.setTags(new HashMap<String, String>());
-                       entity4.getTags().put("category", "diskfailure");
-                       entity4.getTags().put("rack", "rack124");
-                       entity4.getTags().put("cluster", "cluster2");
-                       entity4.setNumTotalAlerts("61");
-                       entity4.setUsedCapacity("253.2");
-                       entity4.setStatus("dead");
-                       list.add(entity4);
-                       
-                       long numTotalAlerts = 0;
-                       for(TestAPIEntity e : list){
-                               agg.accumulate(e);
-                               numTotalAlerts += 
Long.valueOf(e.getNumTotalAlerts());
-                       }
-
-                       JsonFactory factory = new JsonFactory(); 
-                       ObjectMapper mapper = new ObjectMapper(factory);
-                       String result = null;
-                       AggregatedSampleAPIEntity toBeVerified = 
(AggregatedSampleAPIEntity)root.getEntityList().get(Aggregator.GROUPBY_ROOT_FIELD_VALUE);
-                       result = mapper.writeValueAsString(toBeVerified);
-                       
-                       Assert.assertEquals(2, 
toBeVerified.getNumDirectDescendants());
-                       Assert.assertEquals(4, 
toBeVerified.getNumTotalDescendants());
-                       Assert.assertEquals(numTotalAlerts, 
toBeVerified.getNumTotalAlerts());
-                       
-               LOG.info(result);
-               
-               PostAggregateSorting.sort(root, sortFieldOrders);
-               toBeVerified = 
(AggregatedSampleAPIEntity)root.getSortedList().get(0);
-                       result = mapper.writeValueAsString(toBeVerified);
-               LOG.info(result);
-           }catch(Exception ex){
-               LOG.error("Test aggregator fails", ex);
-               Assert.fail("Test aggregator fails");
-           }
-       }
-       
-       @Test
-       public void testUnassigned(){ 
-               // rack is unassigned
-               try{
-                       final AggregatedSampleAPIEntity root = new 
AggregatedSampleAPIEntity();
-                       boolean counting = true;
-                       List<String> groupbys = 
Arrays.asList(Aggregator.GROUPBY_ROOT_FIELD_NAME, "rack");
-                       List<AggregateParams.SortFieldOrder> sortFieldOrders = 
new ArrayList<AggregateParams.SortFieldOrder>();
-                       sortFieldOrders.add(new 
AggregateParams.SortFieldOrder("count", false));
-                       sortFieldOrders.add(new 
AggregateParams.SortFieldOrder("key", false));
-                       Aggregator agg = new Aggregator(new 
AggregatedSampleAPIEntityFactory(), root, groupbys, counting, new 
ArrayList<String>());
-                       List<TestAPIEntity> list = new 
ArrayList<TestAPIEntity>();
-                       TestAPIEntity entity = new TestAPIEntity();
-                       entity.setTags(new HashMap<String, String>());
-                       entity.getTags().put("category", "checkHadoopFS");
-                       entity.getTags().put("rack", "rack123");
-                       entity.getTags().put("cluster", "cluster1");
-                       entity.setNumTotalAlerts("123");
-                       entity.setUsedCapacity("12.5");
-                       entity.setStatus("live");
-                       list.add(entity);
-       
-                       TestAPIEntity entity2 = new TestAPIEntity();
-                       entity2.setTags(new HashMap<String, String>());
-                       entity2.getTags().put("category", "checkHadoopFS");
-                       entity2.getTags().put("rack", "rack124");
-                       entity2.getTags().put("cluster", "cluster2");
-                       entity2.setNumTotalAlerts("35");
-                       entity2.setUsedCapacity("32.1");
-                       entity2.setStatus("dead");
-                       list.add(entity2);
-                       
-                       TestAPIEntity entity3 = new TestAPIEntity();
-                       entity3.setTags(new HashMap<String, String>());
-                       entity3.getTags().put("category", "checkHadoopFS");
-       //              entity3.getTags().put("rack", "rack124");
-                       entity3.getTags().put("cluster", "cluster2");
-                       entity3.setNumTotalAlerts("11");
-                       entity3.setUsedCapacity("82.11");
-                       entity3.setStatus("live");
-                       list.add(entity3);
-                                               
-                       TestAPIEntity entity4 = new TestAPIEntity();
-                       entity4.setTags(new HashMap<String, String>());
-                       entity4.getTags().put("category", "diskfailure");
-                       entity4.getTags().put("rack", "rack124");
-                       entity4.getTags().put("cluster", "cluster2");
-                       entity4.setNumTotalAlerts("61");
-                       entity4.setUsedCapacity("253.2");
-                       entity4.setStatus("dead");
-                       list.add(entity4);
-                       
-//                     long numTotalAlerts = 0;
-                       for(TestAPIEntity e : list){
-                               agg.accumulate(e);
-//                             numTotalAlerts += 
Long.valueOf(e.getNumTotalAlerts());
-                       }
-
-                       JsonFactory factory = new JsonFactory(); 
-                       ObjectMapper mapper = new ObjectMapper(factory);
-                       String result = null;
-                       AggregatedSampleAPIEntity toBeVerified = 
(AggregatedSampleAPIEntity)root.getEntityList().get(Aggregator.GROUPBY_ROOT_FIELD_VALUE);
-                       result = mapper.writeValueAsString(toBeVerified);
-                       
-                       Assert.assertEquals(3, 
toBeVerified.getNumDirectDescendants());
-                       Assert.assertEquals(4, 
toBeVerified.getNumTotalDescendants());
-//                     Assert.assertEquals(numTotalAlerts, 
toBeVerified.getNumTotalAlerts());
-                       
-               LOG.info(result);
-               
-               PostAggregateSorting.sort(root, sortFieldOrders);               
        
-               toBeVerified = 
(AggregatedSampleAPIEntity)root.getSortedList().get(0);
-                       result = mapper.writeValueAsString(toBeVerified);
-               LOG.info(result);
-           }catch(Exception ex){
-               LOG.error("Test aggregator fails", ex);
-               Assert.fail("Test aggregator fails");
-           }
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAlertAggService.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAlertAggService.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAlertAggService.java
deleted file mode 100644
index c2d0a26..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestAlertAggService.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import java.util.ArrayList;
-import java.util.List;
-
-
-import org.junit.Test;
-
-public class TestAlertAggService {
-       @Test
-       public void testCompileAndSplitCondition(){
-               List<String> alertTagNameValues = new ArrayList<String>();
-               String tagNameValue1 = "cluster=cluster1";
-               String tagNameValue2 = "category=checkHadoopFS";
-               String tagNameValue3 = "category=highloadDisk";
-               String tagNameValue4 = "cluster=dc124";
-               String tagNameValue5 = "category=lowloadDisk";
-               alertTagNameValues.add(tagNameValue1);
-               alertTagNameValues.add(tagNameValue2);
-               alertTagNameValues.add(tagNameValue3);
-               alertTagNameValues.add(tagNameValue4);
-               alertTagNameValues.add(tagNameValue5);
-//             AlertAggResource r = new AlertAggResource();
-//             List<List<String>> result = 
r.compileAndSplitConditions(alertTagNameValues);
-//             Assert.assertEquals(result.size(), 3);
-//             Assert.assertEquals(result.get(0).size(), 3);
-//             Assert.assertTrue(result.get(0).contains(tagNameValue2));
-//             Assert.assertTrue(result.get(0).contains(tagNameValue1));
-//             Assert.assertTrue(result.get(0).contains(tagNameValue4));
-//             Assert.assertEquals(result.get(1).size(), 3);
-//             Assert.assertTrue(result.get(1).contains(tagNameValue3));
-//             Assert.assertTrue(result.get(1).contains(tagNameValue1));
-//             Assert.assertTrue(result.get(1).contains(tagNameValue4));
-//             Assert.assertEquals(result.get(2).size(), 3);
-//             Assert.assertTrue(result.get(2).contains(tagNameValue5));
-//             Assert.assertTrue(result.get(2).contains(tagNameValue1));
-//             Assert.assertTrue(result.get(2).contains(tagNameValue4));
-       }
-}
-

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery.java
deleted file mode 100755
index e879bdf..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import org.apache.eagle.log.base.taggedlog.TaggedLogAPIEntity;
-import org.apache.eagle.query.aggregate.BucketQuery;
-import junit.framework.Assert;
-import org.codehaus.jackson.JsonFactory;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.junit.Test;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class TestBucketQuery {
-       private static class SampleTaggedLogAPIEntity extends 
TaggedLogAPIEntity{
-               private String description;
-
-               @SuppressWarnings("unused")
-               public String getDescription() {
-                       return description;
-               }
-
-               public void setDescription(String description) {
-                       this.description = description;
-               }
-       }
-
-       @SuppressWarnings("unchecked")
-       @Test
-       public void testBucketQuery(){
-               SampleTaggedLogAPIEntity e1 = new SampleTaggedLogAPIEntity();
-               e1.setTags(new HashMap<String, String>());
-               e1.getTags().put("cluster", "cluster1");
-               e1.getTags().put("rack", "rack123");
-               e1.setDescription("this is description 1");
-               
-               SampleTaggedLogAPIEntity e2 = new SampleTaggedLogAPIEntity();
-               e2.setTags(new HashMap<String, String>());
-               e2.getTags().put("cluster", "cluster1");
-               e2.getTags().put("rack", "rack123");
-               e2.setDescription("this is description 2");
-               
-               List<String> bucketFields = new ArrayList<String>();
-               bucketFields.add("cluster");
-               int limit = 1;
-               
-               BucketQuery query1 = new BucketQuery(bucketFields, limit);
-               query1.put(e1);
-               query1.put(e2);
-               
-               Map<String, Object> map = query1.get();
-               
-               List<TaggedLogAPIEntity> o = 
(List<TaggedLogAPIEntity>)map.get("cluster1");
-               Assert.assertEquals(limit, o.size());
-               
-               JsonFactory factory = new JsonFactory();
-               ObjectMapper mapper = new ObjectMapper(factory);
-               mapper.setFilters(TaggedLogAPIEntity.getFilterProvider());
-               try{
-                       String result = mapper.writeValueAsString(map);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               
-               limit = 2;
-               BucketQuery query2 = new BucketQuery(bucketFields, limit);
-               query2.put(e1);
-               query2.put(e2);
-               Map<String, Object> map2 = query2.get();
-               o = (List<TaggedLogAPIEntity>)map2.get("cluster1");
-               try{
-                       String result = mapper.writeValueAsString(map2);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               Assert.assertEquals(limit, o.size());
-               
-               
-               SampleTaggedLogAPIEntity e3 = new SampleTaggedLogAPIEntity();
-               e3.setTags(new HashMap<String, String>());
-               e3.getTags().put("cluster", "cluster1");
-               e3.getTags().put("rack", "rack124");
-               e3.setDescription("this is description 3");
-               bucketFields.add("rack");
-               limit = 2;
-               BucketQuery query3 = new BucketQuery(bucketFields, limit);
-               query3.put(e1);
-               query3.put(e2);
-               query3.put(e3);
-               Map<String, Object> map3 = query3.get();
-               Map<String, Object> o3 = (Map<String, 
Object>)map3.get("cluster1");
-               List<TaggedLogAPIEntity> o4 = 
(List<TaggedLogAPIEntity>)o3.get("rack124");
-               Assert.assertEquals(1, o4.size());
-               List<TaggedLogAPIEntity> o5 = 
(List<TaggedLogAPIEntity>)o3.get("rack123");
-               Assert.assertEquals(o5.size(), 2);
-               
-               try{
-                       String result = mapper.writeValueAsString(map3);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               
-               
-               SampleTaggedLogAPIEntity e4 = new SampleTaggedLogAPIEntity();
-               e4.setTags(new HashMap<String, String>());
-               e4.getTags().put("cluster", "cluster1");
-               // rack is set to null
-//             e4.getTags().put("rack", "rack124");
-               e4.setDescription("this is description 3");
-               limit = 2;
-               BucketQuery query4 = new BucketQuery(bucketFields, limit);
-               query4.put(e1);
-               query4.put(e2);
-               query4.put(e3);
-               query4.put(e4);
-               Map<String, Object> map4 = query4.get();
-               Map<String, Object> o6 = (Map<String, 
Object>)map4.get("cluster1");
-               List<TaggedLogAPIEntity> o7 = 
(List<TaggedLogAPIEntity>)o6.get("rack124");
-               Assert.assertEquals(1, o7.size());
-               List<TaggedLogAPIEntity> o8 = 
(List<TaggedLogAPIEntity>)o6.get("rack123");
-               Assert.assertEquals(o8.size(), 2);
-               List<TaggedLogAPIEntity> o9 = 
(List<TaggedLogAPIEntity>)o6.get("unassigned");
-               Assert.assertEquals(o9.size(), 1);
-               
-               try{
-                       String result = mapper.writeValueAsString(map4);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery2.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery2.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery2.java
deleted file mode 100644
index b416319..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestBucketQuery2.java
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import org.apache.eagle.log.base.taggedlog.TaggedLogAPIEntity;
-import org.apache.eagle.query.aggregate.BucketQuery;
-import junit.framework.Assert;
-import org.codehaus.jackson.JsonFactory;
-import org.codehaus.jackson.map.ObjectMapper;
-import org.junit.Test;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class TestBucketQuery2 {
-       private static class SampleTaggedLogAPIEntity extends 
TaggedLogAPIEntity{
-               private String description;
-
-               @SuppressWarnings("unused")
-               public String getDescription() {
-                       return description;
-               }
-
-               public void setDescription(String description) {
-                       this.description = description;
-               }
-       }
-
-       @SuppressWarnings("unchecked")
-//     @Test
-       public void testBucketQuery(){
-               SampleTaggedLogAPIEntity e1 = new SampleTaggedLogAPIEntity();
-               e1.setTags(new HashMap<String, String>());
-               e1.getTags().put("cluster", "cluster1");
-               e1.getTags().put("rack", "rack123");
-               e1.setDescription("this is description 1");
-               
-               SampleTaggedLogAPIEntity e2 = new SampleTaggedLogAPIEntity();
-               e2.setTags(new HashMap<String, String>());
-               e2.getTags().put("cluster", "cluster1");
-               e2.getTags().put("rack", "rack123");
-               e2.setDescription("this is description 2");
-               
-               List<String> bucketFields = new ArrayList<String>();
-               bucketFields.add("cluster");
-               int limit = 1;
-               
-               BucketQuery query1 = new BucketQuery(bucketFields, limit);
-               query1.put(e1);
-               query1.put(e2);
-               
-               Map<String, Object> map = query1.get();
-               
-               List<TaggedLogAPIEntity> o = 
(List<TaggedLogAPIEntity>)map.get("cluster1");
-               Assert.assertEquals(limit, o.size());
-               
-               JsonFactory factory = new JsonFactory();
-               ObjectMapper mapper = new ObjectMapper(factory);
-               try{
-                       String result = mapper.writeValueAsString(map);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               
-               limit = 2;
-               BucketQuery query2 = new BucketQuery(bucketFields, limit);
-               query2.put(e1);
-               query2.put(e2);
-               Map<String, Object> map2 = query2.get();
-               o = (List<TaggedLogAPIEntity>)map2.get("cluster1");
-               try{
-                       String result = mapper.writeValueAsString(map2);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               Assert.assertEquals(limit, o.size());
-               
-               
-               SampleTaggedLogAPIEntity e3 = new SampleTaggedLogAPIEntity();
-               e3.setTags(new HashMap<String, String>());
-               e3.getTags().put("cluster", "cluster1");
-               e3.getTags().put("rack", "rack124");
-               e3.setDescription("this is description 3");
-               bucketFields.add("rack");
-               limit = 2;
-               BucketQuery query3 = new BucketQuery(bucketFields, limit);
-               query3.put(e1);
-               query3.put(e2);
-               query3.put(e3);
-               Map<String, Object> map3 = query3.get();
-               Map<String, Object> o3 = (Map<String, 
Object>)map3.get("cluster1");
-               List<TaggedLogAPIEntity> o4 = 
(List<TaggedLogAPIEntity>)o3.get("rack124");
-               Assert.assertEquals(1, o4.size());
-               List<TaggedLogAPIEntity> o5 = 
(List<TaggedLogAPIEntity>)o3.get("rack123");
-               Assert.assertEquals(o5.size(), 2);
-               
-               try{
-                       String result = mapper.writeValueAsString(map3);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-               
-               
-               SampleTaggedLogAPIEntity e4 = new SampleTaggedLogAPIEntity();
-               e4.setTags(new HashMap<String, String>());
-               e4.getTags().put("cluster", "cluster1");
-               // rack is set to null
-//             e4.getTags().put("rack", "rack124");
-               e4.setDescription("this is description 3");
-               limit = 2;
-               BucketQuery query4 = new BucketQuery(bucketFields, limit);
-               query4.put(e1);
-               query4.put(e2);
-               query4.put(e3);
-               query4.put(e4);
-               Map<String, Object> map4 = query4.get();
-               Map<String, Object> o6 = (Map<String, 
Object>)map4.get("cluster1");
-               List<TaggedLogAPIEntity> o7 = 
(List<TaggedLogAPIEntity>)o6.get("rack124");
-               Assert.assertEquals(1, o7.size());
-               List<TaggedLogAPIEntity> o8 = 
(List<TaggedLogAPIEntity>)o6.get("rack123");
-               Assert.assertEquals(o8.size(), 2);
-               List<TaggedLogAPIEntity> o9 = 
(List<TaggedLogAPIEntity>)o6.get("unassigned");
-               Assert.assertEquals(o9.size(), 1);
-               
-               try{
-                       String result = mapper.writeValueAsString(map4);
-                       System.out.println(result);
-               }catch(Exception ex){
-                       ex.printStackTrace();
-                       Assert.fail("can not serialize bucket query result");
-               }
-       }
-
-       @Test
-       public void test() {
-
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestFlatAggregator.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestFlatAggregator.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestFlatAggregator.java
deleted file mode 100755
index 3fdf322..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestFlatAggregator.java
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.eagle.query.aggregate.timeseries.FlatAggregator;
-import junit.framework.Assert;
-
-import org.apache.eagle.query.aggregate.AggregateFunctionType;
-import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.apache.eagle.log.entity.test.TestEntity;
-
-public class TestFlatAggregator {
-       private static final Logger LOG = 
LoggerFactory.getLogger(TestFlatAggregator.class);
-       @Test
-       public void testCounting(){
-               
-       }
-       
-       @Test
-       public void testSummary(){
-               
-       }
-       
-       @Test
-       public void testAverage(){
-               
-       }
-       
-       @Test
-       public void testIterativeAggregation(){
-               
-       }
-       
-       @SuppressWarnings("serial")
-       private TestEntity createEntity(final String cluster, final String 
datacenter, final String rack, int numHosts, long numClusters){
-               TestEntity entity = new TestEntity();
-               Map<String, String> tags = new HashMap<String, String>(){{
-                       put("cluster", cluster);
-                       put("datacenter", datacenter);
-                       put("rack", rack);
-               }}; 
-               entity.setTags(tags);
-               entity.setNumHosts(numHosts);
-               entity.setNumClusters(numClusters);
-               return entity;
-       }
-
-       @Test
-       public void testZeroGroupbyFieldSingleFunctionForSummary(){
-               TestEntity[] entities = new TestEntity[5];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc1", "rack126", 15, 2);
-               
-               FlatAggregator agg = new FlatAggregator(new 
ArrayList<String>(), Arrays.asList(AggregateFunctionType.sum), 
Arrays.asList("numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+
-                                       
entities[2].getNumHosts()+entities[3].getNumHosts()+entities[4].getNumHosts()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(new ArrayList<String>(), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0), 
(double)(entities[0].getNumClusters()+entities[1].getNumClusters()+
-                                       
entities[2].getNumClusters()+entities[3].getNumClusters()+entities[4].getNumClusters()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(new ArrayList<String>(), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       Assert.assertEquals(result.get(new 
ArrayList<String>()).get(0), (double)(5));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testSingleGroupbyFieldSingleFunctionForSummary(){
-               TestEntity[] entities = new TestEntity[5];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc2", "rack126", 15, 2);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), 
(double)(entities[3].getNumHosts()+entities[4].getNumHosts()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts())+entities[3].getNumHosts());
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), 
(double)(entities[4].getNumHosts()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), 
(double)(entities[0].getNumClusters()+entities[1].getNumClusters()+entities[2].getNumClusters()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), 
(double)(entities[3].getNumClusters()+entities[4].getNumClusters()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numClusters"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), 
(double)(entities[0].getNumClusters()+entities[1].getNumClusters()+entities[2].getNumClusters())+entities[3].getNumClusters());
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), 
(double)(entities[4].getNumClusters()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       
-       @Test
-       public void testSingleGroupbyFieldSingleFunctionForCount(){
-               TestEntity[] entities = new TestEntity[5];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc2", "rack126", 15, 2);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), (double)(3));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), (double)(2));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(4));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc2")).get(0), (double)(1));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleFieldsSingleFunctionForSummary(){
-               TestEntity[] entities = new TestEntity[6];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc1", "rack126", 15, 2);
-               entities[5] = createEntity("cluster2", null, "rack126", 1, 3);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster", "datacenter"), 
Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(3, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1")).get(0), 
(double)(entities[3].getNumHosts()+entities[4].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned")).get(0), 
(double)(entities[5].getNumHosts()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("cluster", "datacenter", 
"rack"), Arrays.asList(AggregateFunctionType.sum), Arrays.asList("numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(5, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack123")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack128")).get(0), (double)(entities[2].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack125")).get(0), (double)(entities[3].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack126")).get(0), (double)(entities[4].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned", 
"rack126")).get(0), (double)(entities[5].getNumHosts()));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleFieldsSingleFunctionForCount(){
-               TestEntity[] entities = new TestEntity[6];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc1", "rack126", 15, 2);
-               entities[5] = createEntity("cluster2", null, "rack126", 1, 3);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster", "datacenter"), 
Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(3, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1")).get(0), 
(double)(3));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1")).get(0), 
(double)(2));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned")).get(0), 
(double)(1));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("cluster", "datacenter", 
"rack"), Arrays.asList(AggregateFunctionType.count), Arrays.asList("*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(5, result.size());
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack123")).get(0), (double)(2));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "dc1", 
"rack128")).get(0), (double)(1));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack125")).get(0), (double)(1));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "dc1", 
"rack126")).get(0), (double)(1));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "unassigned", 
"rack126")).get(0), (double)(1));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testSingleGroupbyFieldMultipleFunctions(){
-               TestEntity[] entities = new TestEntity[5];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc1", "rack126", 15, 2);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster"), 
Arrays.asList(AggregateFunctionType.sum, AggregateFunctionType.count), 
-                               Arrays.asList("numHosts", "*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 2);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1")).get(1), (double)(3));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(0), 
(double)(entities[3].getNumHosts()+entities[4].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2")).get(1), (double)(2));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count, AggregateFunctionType.sum), 
Arrays.asList("*", "numHosts"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(5));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(1), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts()+entities[3].getNumHosts())+entities[4].getNumHosts());
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-               
-               agg = new FlatAggregator(Arrays.asList("datacenter"), 
Arrays.asList(AggregateFunctionType.count, AggregateFunctionType.sum, 
AggregateFunctionType.sum), 
-                               Arrays.asList("*", "numHosts", "numClusters"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 1);
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(0), (double)(5));
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(1), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()+entities[2].getNumHosts()+entities[3].getNumHosts())+entities[4].getNumHosts());
-                       
Assert.assertEquals(result.get(Arrays.asList("dc1")).get(2), 
(double)(entities[0].getNumClusters()+entities[1].getNumClusters()+entities[2].getNumClusters()+entities[3].getNumClusters())+entities[4].getNumClusters());
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-       
-       @Test
-       public void testMultipleGroupbyFieldsMultipleFunctions(){
-               TestEntity[] entities = new TestEntity[5];
-               entities[0] = createEntity("cluster1", "dc1", "rack123", 12, 2);
-               entities[1] = createEntity("cluster1", "dc1", "rack123", 20, 1);
-               entities[2] = createEntity("cluster1", "dc1", "rack128", 10, 0);
-               entities[3] = createEntity("cluster2", "dc1", "rack125", 9, 2);
-               entities[4] = createEntity("cluster2", "dc1", "rack126", 15, 2);
-               
-               FlatAggregator agg = new 
FlatAggregator(Arrays.asList("cluster", "rack"), 
Arrays.asList(AggregateFunctionType.sum, AggregateFunctionType.count), 
-                               Arrays.asList("numHosts", "*"));
-               try{
-                       for(TestEntity e : entities){
-                               agg.accumulate(e);
-                       }
-                       Map<List<String>, List<Double>> result = agg.result();
-                       Assert.assertEquals(result.size(), 4);
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack123")).get(0), 
(double)(entities[0].getNumHosts()+entities[1].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack123")).get(1), 
(double)(2));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack128")).get(0), 
(double)(entities[2].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster1", "rack128")).get(1), 
(double)(1));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack125")).get(0), 
(double)(entities[3].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack125")).get(1), 
(double)(1));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack126")).get(0), 
(double)(entities[4].getNumHosts()));
-                       
Assert.assertEquals(result.get(Arrays.asList("cluster2", "rack126")).get(1), 
(double)(1));
-               }catch(Exception ex){
-                       LOG.error("Can not aggregate", ex);
-                       Assert.fail("Can not aggregate");
-               }
-       }
-}

http://git-wip-us.apache.org/repos/asf/incubator-eagle/blob/0ea130ef/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestGroupbyFieldComparator.java
----------------------------------------------------------------------
diff --git 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestGroupbyFieldComparator.java
 
b/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestGroupbyFieldComparator.java
deleted file mode 100644
index 5fec950..0000000
--- 
a/eagle-core/eagle-query/eagle-query-base/src/test/java/org/apache/eagle/query/aggregate/test/TestGroupbyFieldComparator.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.eagle.query.aggregate.test;
-
-import java.util.Arrays;
-
-import org.apache.eagle.query.aggregate.timeseries.GroupbyFieldsComparator;
-import org.junit.Assert;
-import org.junit.Test;
-
-
-public class TestGroupbyFieldComparator {
-       @Test
-       public void testStringListCompare(){
-               GroupbyFieldsComparator c = new GroupbyFieldsComparator();
-               Assert.assertTrue(c.compare(Arrays.asList("ab"), 
Arrays.asList("ac"))<0);
-               Assert.assertTrue(c.compare(Arrays.asList("xy"), 
Arrays.asList("cd"))>0);
-               Assert.assertTrue(c.compare(Arrays.asList("xy"), 
Arrays.asList("xy"))==0);
-               Assert.assertTrue(c.compare(Arrays.asList("xy", "ab"), 
Arrays.asList("xy", "ac"))<0);
-       }
-}

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