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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.apex.malhar.kafka;


import java.io.Serializable;

import org.apache.hadoop.classification.InterfaceStability;

/**
 * @since 2.1.0
 */
@InterfaceStability.Evolving
public class KafkaPartition implements Serializable
{
  protected static final String DEFAULT_CLUSTERID = "com.datatorrent.contrib.kafka.defaultcluster";

  @SuppressWarnings("unused")
  private KafkaPartition()
  {
  }

  public KafkaPartition(String topic, int partitionId)
  {
    this(DEFAULT_CLUSTERID, topic, partitionId);
  }

  public KafkaPartition(String clusterId, String topic, int partitionId)
  {
    super();
    this.clusterId = clusterId;
    this.partitionId = partitionId;
    this.topic = topic;
  }

  /**
   *
   */
  private static final long serialVersionUID = 7556802229202221546L;


  private String clusterId;

  private int partitionId;

  private String topic;

  public String getClusterId()
  {
    return clusterId;
  }

  public void setClusterId(String clusterId)
  {
    this.clusterId = clusterId;
  }

  public int getPartitionId()
  {
    return partitionId;
  }

  public void setPartitionId(int partitionId)
  {
    this.partitionId = partitionId;
  }

  public String getTopic()
  {
    return topic;
  }

  public void setTopic(String topic)
  {
    this.topic = topic;
  }

  @Override
  public int hashCode()
  {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((clusterId == null) ? 0 : clusterId.hashCode());
    result = prime * result + partitionId;
    result = prime * result + ((topic == null) ? 0 : topic.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj)
  {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    KafkaPartition other = (KafkaPartition)obj;
    if (clusterId == null) {
      if (other.clusterId != null) {
        return false;
      }
    } else if (!clusterId.equals(other.clusterId)) {
      return false;
    }
    if (partitionId != other.partitionId) {
      return false;
    }
    if (topic == null) {
      if (other.topic != null) {
        return false;
      }
    } else if (!topic.equals(other.topic)) {
      return false;
    }
    return true;
  }

  @Override
  public String toString()
  {
    return "KafkaPartition [clusterId=" + clusterId + ", partitionId=" + partitionId + ", topic=" + topic + "]";
  }



}