[1/2] incubator-rya git commit: RYA-83-select-all-spo-query-support added capability to perform SELECT * { s? p? o? } queries.

[dlotts]

Repository: incubator-rya
Updated Branches:
  refs/heads/master bcf152eea -> f58eedadc


RYA-83-select-all-spo-query-support added capability to perform  SELECT * { s? 
p? o? }  queries.

Project: http://git-wip-us.apache.org/repos/asf/incubator-rya/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-rya/commit/015dcd31
Tree: http://git-wip-us.apache.org/repos/asf/incubator-rya/tree/015dcd31
Diff: http://git-wip-us.apache.org/repos/asf/incubator-rya/diff/015dcd31

Branch: refs/heads/master
Commit: 015dcd310781b5965766941339b4f7b8247a109f
Parents: bcf152e
Author: John Smith <johns0...@gmail.com>
Authored: Wed Jan 4 14:10:14 2017 -0800
Committer: pujav65 <puja...@gmail.com>
Committed: Fri Jan 6 11:55:47 2017 -0500

----------------------------------------------------------------------
 .../wholerow/NullRowTriplePatternStrategy.java  | 52 ++++++++++++++++++++
 .../rya/api/resolver/RyaTripleContext.java      |  2 +
 2 files changed, 54 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-rya/blob/015dcd31/common/rya.api/src/main/java/org/apache/rya/api/query/strategy/wholerow/NullRowTriplePatternStrategy.java
----------------------------------------------------------------------
diff --git 
a/common/rya.api/src/main/java/org/apache/rya/api/query/strategy/wholerow/NullRowTriplePatternStrategy.java
 
b/common/rya.api/src/main/java/org/apache/rya/api/query/strategy/wholerow/NullRowTriplePatternStrategy.java
new file mode 100644
index 0000000..314ce91
--- /dev/null
+++ 
b/common/rya.api/src/main/java/org/apache/rya/api/query/strategy/wholerow/NullRowTriplePatternStrategy.java
@@ -0,0 +1,52 @@
+package org.apache.rya.api.query.strategy.wholerow;
+
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.util.Map;
+import org.apache.rya.api.RdfCloudTripleStoreConfiguration;
+import static org.apache.rya.api.RdfCloudTripleStoreConstants.*;
+import org.apache.rya.api.RdfCloudTripleStoreConstants.TABLE_LAYOUT;
+import org.apache.rya.api.RdfCloudTripleStoreUtils;
+import org.apache.rya.api.domain.RyaType;
+import org.apache.rya.api.domain.RyaURI;
+import org.apache.rya.api.query.strategy.AbstractTriplePatternStrategy;
+import org.apache.rya.api.query.strategy.ByteRange;
+
+public class NullRowTriplePatternStrategy extends 
AbstractTriplePatternStrategy {
+
+    @Override
+    public TABLE_LAYOUT getLayout() {
+        return TABLE_LAYOUT.SPO;
+    }
+
+    @Override
+    public Map.Entry<TABLE_LAYOUT, ByteRange> defineRange(RyaURI subject, 
RyaURI predicate, RyaType object,
+                                                          RyaURI context, 
RdfCloudTripleStoreConfiguration conf) throws IOException {
+      byte[] start = new byte[]{ /* empty array */ }; // Scan from the 
beginning of the Accumulo Table
+      byte[] stop = LAST_BYTES;  // Scan to the end, up through things 
beginning with 0xff.
+      return new RdfCloudTripleStoreUtils.CustomEntry<>(TABLE_LAYOUT.SPO, new 
ByteRange(start, stop));
+    }
+
+    @Override
+    public boolean handles(RyaURI subject, RyaURI predicate, RyaType object, 
RyaURI context) {
+        return subject == null && predicate == null && object == null;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rya/blob/015dcd31/common/rya.api/src/main/java/org/apache/rya/api/resolver/RyaTripleContext.java
----------------------------------------------------------------------
diff --git 
a/common/rya.api/src/main/java/org/apache/rya/api/resolver/RyaTripleContext.java
 
b/common/rya.api/src/main/java/org/apache/rya/api/resolver/RyaTripleContext.java
index a8c6e7b..17fab47 100644
--- 
a/common/rya.api/src/main/java/org/apache/rya/api/resolver/RyaTripleContext.java
+++ 
b/common/rya.api/src/main/java/org/apache/rya/api/resolver/RyaTripleContext.java
@@ -37,6 +37,7 @@ import org.apache.rya.api.domain.RyaURI;
 import org.apache.rya.api.query.strategy.TriplePatternStrategy;
 import 
org.apache.rya.api.query.strategy.wholerow.HashedPoWholeRowTriplePatternStrategy;
 import 
org.apache.rya.api.query.strategy.wholerow.HashedSpoWholeRowTriplePatternStrategy;
+import org.apache.rya.api.query.strategy.wholerow.NullRowTriplePatternStrategy;
 import 
org.apache.rya.api.query.strategy.wholerow.OspWholeRowTriplePatternStrategy;
 import 
org.apache.rya.api.query.strategy.wholerow.PoWholeRowTriplePatternStrategy;
 import 
org.apache.rya.api.query.strategy.wholerow.SpoWholeRowTriplePatternStrategy;
@@ -97,6 +98,7 @@ public class RyaTripleContext {
        else {
             triplePatternStrategyList.add(new 
SpoWholeRowTriplePatternStrategy());
             triplePatternStrategyList.add(new 
PoWholeRowTriplePatternStrategy());
+            triplePatternStrategyList.add(new NullRowTriplePatternStrategy());
        }
         triplePatternStrategyList.add(new OspWholeRowTriplePatternStrategy());
     }