| /* |
| * 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.kafka.common; |
| |
| import org.apache.kafka.common.utils.Utils; |
| |
| import java.io.Serializable; |
| |
| |
| /** |
| * The topic name, partition number and the brokerId of the replica |
| */ |
| public final class TopicPartitionReplica implements Serializable { |
| |
| private int hash = 0; |
| private final int brokerId; |
| private final int partition; |
| private final String topic; |
| |
| public TopicPartitionReplica(String topic, int partition, int brokerId) { |
| this.topic = Utils.notNull(topic); |
| this.partition = partition; |
| this.brokerId = brokerId; |
| } |
| |
| public String topic() { |
| return topic; |
| } |
| |
| public int partition() { |
| return partition; |
| } |
| |
| public int brokerId() { |
| return brokerId; |
| } |
| |
| @Override |
| public int hashCode() { |
| if (hash != 0) { |
| return hash; |
| } |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + topic.hashCode(); |
| result = prime * result + partition; |
| result = prime * result + brokerId; |
| this.hash = result; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| TopicPartitionReplica other = (TopicPartitionReplica) obj; |
| return partition == other.partition && brokerId == other.brokerId && topic.equals(other.topic); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("%s-%d-%d", topic, partition, brokerId); |
| } |
| } |