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.InOptionalOut;
023
024 /**
025 * InOptionalOut message exchange.
026 *
027 * @version $Revision: 564607 $
028 */
029 public class InOptionalOutImpl extends MessageExchangeImpl implements InOptionalOut {
030
031 private static final long serialVersionUID = -3145649037372074912L;
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, 2, 3, 4, 4 },
036 {CAN_CONSUMER + CAN_OWNER + CAN_SEND + CAN_SET_FAULT_MSG + CAN_STATUS_ACTIVE
037 + CAN_STATUS_ERROR + CAN_STATUS_DONE, -1, 5, 6, 6 },
038 {CAN_CONSUMER + CAN_OWNER + CAN_SEND + CAN_STATUS_ERROR + CAN_STATUS_DONE, -1, -1, 6, 6 },
039 {CAN_CONSUMER + CAN_OWNER, -1, -1, -1, -1 },
040 {CAN_CONSUMER, -1, -1, 7, 7 },
041 {CAN_CONSUMER, -1, -1, -1, -1 },
042 {CAN_CONSUMER + CAN_OWNER, -1, -1, -1, -1 }
043 };
044
045 private static final int[][] STATES_PROVIDER = {
046 {CAN_PROVIDER, 1, -1, -1 },
047 {CAN_PROVIDER + CAN_OWNER + CAN_SET_OUT_MSG + CAN_SET_FAULT_MSG + CAN_SEND
048 + CAN_STATUS_ACTIVE + CAN_STATUS_ERROR + CAN_STATUS_DONE, 2, 3, 4, 4 },
049 {CAN_PROVIDER, -1, 5, 6, 6 },
050 {CAN_PROVIDER, -1, -1, 6, 6 },
051 {CAN_PROVIDER, -1, -1, -1, -1 },
052 {CAN_PROVIDER + CAN_OWNER + CAN_SEND + CAN_STATUS_ERROR + CAN_STATUS_DONE, -1, -1, 7, 7 },
053 {CAN_PROVIDER + CAN_OWNER, -1, -1, -1, -1 },
054 {CAN_PROVIDER, -1, -1, -1, -1 }
055 };
056
057 public InOptionalOutImpl() {
058 }
059
060 public InOptionalOutImpl(String exchangeId) {
061 super(exchangeId, MessageExchangeSupport.IN_OPTIONAL_OUT, STATES_CONSUMER);
062 this.mirror = new InOptionalOutImpl(this);
063 }
064
065 public InOptionalOutImpl(ExchangePacket packet) {
066 super(packet, STATES_CONSUMER);
067 this.mirror = new InOptionalOutImpl(this);
068 }
069
070 protected InOptionalOutImpl(InOptionalOutImpl mep) {
071 super(mep.packet, STATES_PROVIDER);
072 this.mirror = mep;
073 }
074
075 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
076 this.packet = new ExchangePacket();
077 this.packet.readExternal(in);
078 if (this.packet.in != null) {
079 this.packet.in.exchange = this;
080 }
081 if (this.packet.out != null) {
082 this.packet.out.exchange = this;
083 }
084 if (this.packet.fault != null) {
085 this.packet.fault.exchange = this;
086 }
087 this.state = in.read();
088 this.mirror = new InOptionalOutImpl();
089 this.mirror.mirror = this;
090 this.mirror.packet = this.packet;
091 this.mirror.state = in.read();
092 boolean provider = in.readBoolean();
093 if (provider) {
094 this.states = STATES_PROVIDER;
095 this.mirror.states = STATES_CONSUMER;
096 } else {
097 this.states = STATES_CONSUMER;
098 this.mirror.states = STATES_PROVIDER;
099 }
100 }
101
102 }