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
20 package org.codehaus.activemq.message;
21
22 import java.io.DataInput;
23 import java.io.IOException;
24
25 /***
26 * Reads a TransactionInfo object from a Stream
27 */
28
29 public class XATransactionInfoReader extends AbstractPacketReader {
30
31 /***
32 * Return the type of Packet
33 *
34 * @return integer representation of the type of Packet
35 */
36
37 public int getPacketType() {
38 return Packet.XA_TRANSACTION_INFO;
39 }
40
41 /***
42 * @return a new Packet instance
43 */
44
45 public Packet createPacket() {
46 return new XATransactionInfo();
47 }
48
49
50 /***
51 * build a Packet instance from the data input stream
52 *
53 * @param packet A Packet object
54 * @param dataIn the data input stream to build the packet from
55 * @throws java.io.IOException
56 */
57
58 public void buildPacket(Packet packet, DataInput dataIn) throws IOException {
59 super.buildPacket(packet, dataIn);
60 XATransactionInfo info = (XATransactionInfo) packet;
61 info.setType(dataIn.readByte());
62 switch (info.getType()) {
63 case TransactionType.START:
64 case TransactionType.PRE_COMMIT:
65 case TransactionType.COMMIT:
66 case TransactionType.RECOVER:
67 case TransactionType.ROLLBACK:
68 case TransactionType.END:
69 case TransactionType.FORGET:
70 case TransactionType.JOIN:
71 case TransactionType.COMMIT_ONE_PHASE:
72 info.setXid(ActiveMQXid.read(dataIn));
73 break;
74 case TransactionType.SET_TX_TIMEOUT:
75 info.setTransactionTimeout(dataIn.readInt());
76 break;
77 case TransactionType.XA_RECOVER:
78
79 break;
80 case TransactionType.GET_TX_TIMEOUT:
81 case TransactionType.GET_RM_ID:
82 break;
83 default:
84 throw new IllegalArgumentException("Invalid type code: " + info.getType());
85 }
86 }
87
88 }