001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.kaha;
018
019import java.io.Externalizable;
020import java.io.IOException;
021import java.io.ObjectInput;
022import java.io.ObjectOutput;
023
024import org.apache.activemq.util.IOHelper;
025
026/**
027 * Used by RootContainers
028 * 
029 * 
030 */
031public class ContainerId implements Externalizable {
032    private static final long serialVersionUID = -8883779541021821943L;
033    private Object key;
034    private String dataContainerName;
035
036    public ContainerId() {
037    }
038
039    public ContainerId(Object key, String dataContainerName) {
040        this.key = key;
041        this.dataContainerName = dataContainerName;
042    }
043
044    /**
045     * @return Returns the dataContainerPrefix.
046     */
047    public String getDataContainerName() {
048        return dataContainerName;
049    }
050
051    /**
052     * @return Returns the key.
053     */
054    public Object getKey() {
055        return key;
056    }
057
058    public int hashCode() {
059        return key.hashCode() ^ dataContainerName.hashCode();
060    }
061
062    public boolean equals(Object obj) {
063        if (obj == null || obj.getClass() != ContainerId.class) {
064            return false;
065        }
066        ContainerId other = (ContainerId)obj;
067        return other.key.equals(this.key) && other.dataContainerName.equals(this.dataContainerName);
068    }
069
070    public void writeExternal(ObjectOutput out) throws IOException {
071        out.writeUTF(getDataContainerName());
072        out.writeObject(key);
073    }
074
075    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
076        dataContainerName = in.readUTF();
077        key = in.readObject();
078    }
079
080    public String toString() {
081        return "CID{" + dataContainerName + ":" + key + "}";
082    }
083}