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.command;
018
019/**
020 * 
021 * @openwire:marshaller code="121"
022 * 
023 */
024public class SessionId implements DataStructure {
025
026    public static final byte DATA_STRUCTURE_TYPE = CommandTypes.SESSION_ID;
027
028    protected String connectionId;
029    protected long value;
030
031    protected transient int hashCode;
032    protected transient String key;
033    protected transient ConnectionId parentId;
034
035    public SessionId() {
036    }
037
038    public SessionId(ConnectionId connectionId, long sessionId) {
039        this.connectionId = connectionId.getValue();
040        this.value = sessionId;
041    }
042
043    public SessionId(SessionId id) {
044        this.connectionId = id.getConnectionId();
045        this.value = id.getValue();
046    }
047
048    public SessionId(ProducerId id) {
049        this.connectionId = id.getConnectionId();
050        this.value = id.getSessionId();
051    }
052
053    public SessionId(ConsumerId id) {
054        this.connectionId = id.getConnectionId();
055        this.value = id.getSessionId();
056    }
057
058    public ConnectionId getParentId() {
059        if (parentId == null) {
060            parentId = new ConnectionId(this);
061        }
062        return parentId;
063    }
064
065    public int hashCode() {
066        if (hashCode == 0) {
067            hashCode = connectionId.hashCode() ^ (int)value;
068        }
069        return hashCode;
070    }
071
072    public boolean equals(Object o) {
073        if (this == o) {
074            return true;
075        }
076        if (o == null || o.getClass() != SessionId.class) {
077            return false;
078        }
079        SessionId id = (SessionId)o;
080        return value == id.value && connectionId.equals(id.connectionId);
081    }
082
083    public byte getDataStructureType() {
084        return DATA_STRUCTURE_TYPE;
085    }
086
087    /**
088     * @openwire:property version=1 cache=true
089     */
090    public String getConnectionId() {
091        return connectionId;
092    }
093
094    public void setConnectionId(String connectionId) {
095        this.connectionId = connectionId;
096    }
097
098    /**
099     * @openwire:property version=1
100     */
101    public long getValue() {
102        return value;
103    }
104
105    public void setValue(long sessionId) {
106        this.value = sessionId;
107    }
108
109    public String toString() {
110        if (key == null) {
111            key = connectionId + ":" + value;
112        }
113        return key;
114    }
115
116    public boolean isMarshallAware() {
117        return false;
118    }
119}