Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1953#discussion_r170003740
--- Diff:
processing/src/main/java/org/apache/carbondata/processing/loading/partition/impl/RangePartitionerImpl.java
---
@@ -0,0 +1,68 @@
+/*
+ * 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.carbondata.processing.loading.partition.impl;
+
+import java.util.Arrays;
+import java.util.Comparator;
+
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
+import org.apache.carbondata.core.datastore.row.CarbonRow;
+import org.apache.carbondata.processing.loading.partition.Partitioner;
+
+public class RangePartitionerImpl implements Partitioner<CarbonRow> {
+ private static final LogService LOGGER =
+
LogServiceFactory.getLogService(RangePartitionerImpl.class.getName());
+ private CarbonRow[] rangeBounds;
+ private Comparator<CarbonRow> comparator;
+
+ public RangePartitionerImpl(CarbonRow[] rangeBounds,
Comparator<CarbonRow> comparator) {
+ this.rangeBounds = rangeBounds;
+ LOGGER.info("Use range partitioner to distribute data to "
+ + (rangeBounds.length + 1) + " ranges.");
+ this.comparator = comparator;
+ }
+
+ /**
+ * learned from spark org.apache.spark.RangePartitioner
+ *
+ * @param key key
+ * @return partitionId
+ */
+ @Override public int getPartition(CarbonRow key) {
--- End diff --
put all @Override to previous line
---
