org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastStringHashSet Maven / Gradle / Ivy

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/**
 * 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.fast;

import java.io.IOException;

import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.io.BytesWritable;

/*
 * An single byte array value hash map optimized for vector map join.
 */
public class VectorMapJoinFastStringHashSet extends VectorMapJoinFastBytesHashSet {

  private VectorMapJoinFastStringCommon stringCommon;

  @Override
  public void putRow(BytesWritable currentKey, BytesWritable currentValue) throws HiveException, IOException {
    stringCommon.adaptPutRow(this, currentKey, currentValue);
  }

  public VectorMapJoinFastStringHashSet(
      boolean isOuterJoin,
      int initialCapacity, float loadFactor, int writeBuffersSize) {
    super(initialCapacity, loadFactor, writeBuffersSize);
    stringCommon = new VectorMapJoinFastStringCommon(isOuterJoin);
  }
}