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     */
017    package org.apache.activemq.pool;
018    
019    /**
020     * A cache key for the session details used to locate PooledSession intances.
021     */
022    public 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    }