1 /***
2 *
3 * Copyright 2004 Protique Ltd
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 **/
18
19 package org.codehaus.activemq.message;
20
21 import java.io.DataOutput;
22 import java.io.IOException;
23
24 /***
25 * Writes a TransactionInfo object to a Stream
26 */
27
28 public class XATransactionInfoWriter extends AbstractPacketWriter {
29
30 /***
31 * Return the type of Packet
32 *
33 * @return integer representation of the type of Packet
34 */
35
36 public int getPacketType() {
37 return Packet.XA_TRANSACTION_INFO;
38 }
39
40 /***
41 * Write a Packet instance to data output stream
42 *
43 * @param packet the instance to be seralized
44 * @param dataOut the output stream
45 * @throws java.io.IOException thrown if an error occurs
46 */
47
48 public void writePacket(Packet packet, DataOutput dataOut) throws IOException {
49 super.writePacket(packet, dataOut);
50 XATransactionInfo info = (XATransactionInfo) packet;
51 dataOut.writeByte(info.getType());
52 switch (info.getType()) {
53 case TransactionType.START:
54 case TransactionType.PRE_COMMIT:
55 case TransactionType.COMMIT:
56 case TransactionType.RECOVER:
57 case TransactionType.ROLLBACK:
58 case TransactionType.END:
59 case TransactionType.FORGET:
60 case TransactionType.JOIN:
61 case TransactionType.COMMIT_ONE_PHASE:
62 assert info.getXid() != null;
63 info.getXid().write(dataOut);
64 break;
65 case TransactionType.SET_TX_TIMEOUT:
66 dataOut.writeInt(info.getTransactionTimeout());
67 break;
68 case TransactionType.XA_RECOVER:
69
70 break;
71 case TransactionType.GET_TX_TIMEOUT:
72 case TransactionType.GET_RM_ID:
73 break;
74 default:
75 throw new IllegalArgumentException("Invalid type code: " + info.getType());
76 }
77 }
78
79 }