com.inmobi.databus.partition.PartitionId.java Source code

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Here is the source code for com.inmobi.databus.partition.PartitionId.java

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package com.inmobi.databus.partition;

/*
 * #%L
 * messaging-client-databus
 * %%
 * Copyright (C) 2012 - 2014 InMobi
 * %%
 * 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.
 * #L%
 */

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Writable;

public class PartitionId implements Writable {

    private String cluster;
    private String collector;

    public PartitionId(String cluster, String collector) {
        this.cluster = cluster;
        this.collector = collector;
    }

    public PartitionId(DataInput in) throws IOException {
        readFields(in);
    }

    public String getCluster() {
        return cluster;
    }

    public String getCollector() {
        return collector;
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        cluster = in.readUTF();
        boolean notNull = in.readBoolean();
        if (notNull) {
            collector = in.readUTF();
        }
    }

    @Override
    public void write(DataOutput out) throws IOException {
        out.writeUTF(cluster);
        boolean notNull = collector != null;
        out.writeBoolean(notNull);
        if (notNull) {
            out.writeUTF(collector);
        }
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((cluster == null) ? 0 : cluster.hashCode());
        result = prime * result + ((collector == null) ? 0 : collector.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;
        }
        PartitionId other = (PartitionId) obj;
        if (cluster == null) {
            if (other.cluster != null) {
                return false;
            }
        } else if (!cluster.equals(other.cluster)) {
            return false;
        }
        if (collector == null) {
            if (other.collector != null) {
                return false;
            }
        } else if (!collector.equals(other.collector)) {
            return false;
        }
        return true;
    }

    public String toString() {
        if (collector != null) {
            return cluster + "-" + collector;
        } else {
            return cluster;
        }
    }

}