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.jms.pool;
018
019/**
020 * A cache key for the session details used to locate PooledSession intances.
021 */
022public class SessionKey {
023
024    private final boolean transacted;
025    private final int ackMode;
026
027    private int hash;
028
029    public SessionKey(boolean transacted, int ackMode) {
030        this.transacted = transacted;
031        this.ackMode = ackMode;
032        hash = ackMode;
033        if (transacted) {
034            hash = 31 * hash + 1;
035        }
036    }
037
038    public int hashCode() {
039        return hash;
040    }
041
042    public boolean equals(Object that) {
043        if (this == that) {
044            return true;
045        }
046        if (that instanceof SessionKey) {
047            return equals((SessionKey) that);
048        }
049        return false;
050    }
051
052    public boolean equals(SessionKey that) {
053        return this.transacted == that.transacted && this.ackMode == that.ackMode;
054    }
055
056    public boolean isTransacted() {
057        return transacted;
058    }
059
060    public int getAckMode() {
061        return ackMode;
062    }
063}