TopicPartition.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 com.pinterest.secor.common;

/**
 * Topic partition describes a kafka message topic-partition pair.
 *
 * @author Pawel Garbacki (pawel@pinterest.com)
 */
public class TopicPartition {
    private String mTopic;
    private int mPartition;

    public TopicPartition(String topic, int partition) {
        mTopic = topic;
        mPartition = partition;
    }

    public String getTopic() {
        return mTopic;
    }

    public int getPartition() {
        return mPartition;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        TopicPartition that = (TopicPartition) o;

        if (mPartition != that.mPartition) return false;
        if (mTopic != null ? !mTopic.equals(that.mTopic) : that.mTopic != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = mTopic != null ? mTopic.hashCode() : 0;
        result = 31 * result + mPartition;
        return result;
    }

    @Override
    public String toString() {
        return "TopicPartition{" +
                "mTopic='" + mTopic + '\'' +
                ", mPartition=" + mPartition +
                '}';
    }
}