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.servicemix.jbi.messaging;
018    
019    import java.io.IOException;
020    import java.io.ObjectInput;
021    
022    import javax.jbi.messaging.RobustInOnly;
023    
024    /**
025     * RobustInOnly message exchange.
026     * 
027     * @version $Revision: 564607 $
028     */
029    public class RobustInOnlyImpl extends MessageExchangeImpl implements RobustInOnly {
030    
031        private static final long serialVersionUID = -1606399168587959356L;
032    
033        private static final int[][] STATES_CONSUMER = {
034            {CAN_CONSUMER + CAN_OWNER + CAN_SET_IN_MSG + CAN_SEND + CAN_STATUS_ACTIVE, 1, -1, -1, -1 },
035            {CAN_CONSUMER, -1, 2, 3, 3 },
036            {CAN_CONSUMER + CAN_OWNER + CAN_SEND + CAN_STATUS_DONE + CAN_STATUS_ERROR, -1, -1, 4, 4 },
037            {CAN_CONSUMER + CAN_OWNER, -1, -1, -1, -1 }, 
038            {CAN_CONSUMER, -1, -1, -1, -1 }
039        };
040    
041        private static final int[][] STATES_PROVIDER = { 
042            {CAN_PROVIDER, 1, -1, -1, -1 },
043            {CAN_PROVIDER + CAN_OWNER + CAN_SEND + CAN_SET_FAULT_MSG + CAN_STATUS_ACTIVE
044                                                        + CAN_STATUS_ERROR + CAN_STATUS_DONE, -1, 2, 4, 4 }, 
045            {CAN_PROVIDER, -1, -1, 3, 3 }, 
046            {CAN_PROVIDER + CAN_OWNER, -1, -1, -1, -1 },
047            {CAN_PROVIDER, -1, -1, -1, -1 }
048        };
049    
050        public RobustInOnlyImpl() {
051        }
052    
053        public RobustInOnlyImpl(String exchangeId) {
054            super(exchangeId, MessageExchangeSupport.ROBUST_IN_ONLY, STATES_CONSUMER);
055            this.mirror = new RobustInOnlyImpl(this);
056        }
057    
058        public RobustInOnlyImpl(ExchangePacket packet) {
059            super(packet, STATES_CONSUMER);
060            this.mirror = new RobustInOnlyImpl(this);
061        }
062    
063        protected RobustInOnlyImpl(RobustInOnlyImpl mep) {
064            super(mep.packet, STATES_PROVIDER);
065            this.mirror = mep;
066        }
067    
068        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
069            this.packet = new ExchangePacket();
070            this.packet.readExternal(in);
071            if (this.packet.in != null) {
072                this.packet.in.exchange = this;
073            }
074            if (this.packet.out != null) {
075                this.packet.out.exchange = this;
076            }
077            if (this.packet.fault != null) {
078                this.packet.fault.exchange = this;
079            }
080            this.state = in.read();
081            this.mirror = new RobustInOnlyImpl();
082            this.mirror.mirror = this;
083            this.mirror.packet = this.packet;
084            this.mirror.state = in.read();
085            boolean provider = in.readBoolean();
086            if (provider) {
087                this.states = STATES_PROVIDER;
088                this.mirror.states = STATES_CONSUMER;
089            } else {
090                this.states = STATES_CONSUMER;
091                this.mirror.states = STATES_PROVIDER;
092            }
093        }
094    
095    }