/** * 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.hadoop.hive.ql.exec.vector.mapjoin.optimized; import java.io.IOException; import org.apache.hadoop.hive.ql.exec.JoinUtil.JoinResult; import org.apache.hadoop.hive.ql.exec.persistence.MapJoinTableContainer; import org.apache.hadoop.hive.ql.exec.persistence.MapJoinTableContainer.ReusableGetAdaptor; import org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinBytesHashMap; import org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashMapResult; /* * An multi-key hash map based on the BytesBytesMultiHashMap. */ public class VectorMapJoinOptimizedStringHashMap extends VectorMapJoinOptimizedHashMap implements VectorMapJoinBytesHashMap { private VectorMapJoinOptimizedStringCommon stringCommon; /* @Override public void putRow(BytesWritable currentKey, BytesWritable currentValue) throws SerDeException, HiveException, IOException { stringCommon.adaptPutRow((VectorMapJoinOptimizedHashTable) this, currentKey, currentValue); } */ @Override public JoinResult lookup(byte[] keyBytes, int keyStart, int keyLength, VectorMapJoinHashMapResult hashMapResult) throws IOException { SerializedBytes serializedBytes = stringCommon.serialize(keyBytes, keyStart, keyLength); return super.lookup(serializedBytes.bytes, serializedBytes.offset, serializedBytes.length, hashMapResult); } public VectorMapJoinOptimizedStringHashMap(boolean isOuterJoin, MapJoinTableContainer originalTableContainer, ReusableGetAdaptor hashMapRowGetter) { super(originalTableContainer, hashMapRowGetter); stringCommon = new VectorMapJoinOptimizedStringCommon(isOuterJoin); } }