RandomLongStream.java

/**
 * 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.util.ArrayList;
import java.util.List;
import java.util.Random;

public class RandomLongStream {

  private Random random;

  private List<Long> longs;

  public RandomLongStream(Random random) {
    this.random = random;
    longs = new ArrayList<Long>();
  }

  public long next() {
    long longValue = random.nextLong();
    longs.add(longValue);
    return longValue;
  }

  public int size() {
    return longs.size();
  }

  public long get(int i) {
    return longs.get(i);
  }
}