ConstantPartitionFunction.java

package com.linkedin.databus2.producers;
/*
 *
 * Copyright 2013 LinkedIn Corp. All rights reserved
 *
 * Licensed 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 com.linkedin.databus.core.DbusEventKey;

/**
 * PartitionFunction implementation that returns a constant partition regardless of key.
 *
 */
public class ConstantPartitionFunction
    implements PartitionFunction
{
  private final short _partition;
  public static final short DEFAULT_PARTITION = 1;

  public ConstantPartitionFunction()
  {
    this(DEFAULT_PARTITION);
  }

  public ConstantPartitionFunction(short partition)
  {
    _partition = partition;
  }

  /*
   * @see com.linkedin.databus2.monitors.PartitionFunction#getPartition(java.lang.Object)
   */
  @Override
  public short getPartition(DbusEventKey key)
  {
    return _partition;
  }

}