1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.policy.transaction.runtime;
import java.util.logging.Logger;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.PhasedInterceptor;
import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
/**
* @version $Rev$ $Date$
*/
public class TransactionInterceptor implements PhasedInterceptor {
private static final Logger logger = Logger.getLogger(TransactionInterceptor.class.getName());
private Invoker next;
private TransactionManagerHelper helper;
private boolean outbound;
private TransactionPolicy interactionPolicy;
private TransactionPolicy implementationPolicy;
private String phase;
public TransactionInterceptor(TransactionManagerHelper helper,
boolean outbound,
TransactionPolicy interactionPolicy,
TransactionPolicy implementationPolicy,
String phase) {
super();
this.helper = helper;
this.outbound = outbound;
this.interactionPolicy = interactionPolicy;
this.implementationPolicy = implementationPolicy;
this.phase = phase;
}
/**
* @see org.apache.tuscany.sca.invocation.Interceptor#getNext()
*/
public Invoker getNext() {
return next;
}
/**
* @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker)
*/
public void setNext(Invoker next) {
this.next = next;
}
/**
* @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message)
*/
public Message invoke(Message msg) {
//logger.info("Executing TransactionInterceptor.invoke");
TransactionalInvocation invocation = new TransactionalInvocation(next, msg);
Message result = null;
if (msg.getOperation().isNonBlocking()) {
}
// initialize default values
TransactionIntent interactionIntent = null; //TransactionIntent.propagatesTransacton;
TransactionIntent implementationIntent = TransactionIntent.managedTransactionGlobal;
if (interactionPolicy != null) {
if (interactionPolicy.getAction() == TransactionPolicy.Action.PROPAGATE) {
interactionIntent = TransactionIntent.propagatesTransacton;
} else if (interactionPolicy.getAction() == TransactionPolicy.Action.REQUIRE_NONE) {
interactionIntent = TransactionIntent.suspendsTransaction;
if(implementationPolicy == null) {
implementationIntent = TransactionIntent.noManagedTransaction;
}
} else {
interactionIntent = TransactionIntent.suspendsTransaction;
}
}
if (implementationPolicy != null) {
switch (implementationPolicy.getAction()) {
case REQUIRE_GLOBAL:
implementationIntent = TransactionIntent.managedTransactionGlobal;
break;
case REQUIRE_LOCAL:
implementationIntent = TransactionIntent.managedTransactionLocal;
break;
default:
implementationIntent = TransactionIntent.noManagedTransaction;
break;
}
}
try {
if (outbound) {
result = helper.handlesOutbound(interactionIntent, implementationIntent, invocation);
} else {
result = helper.handlesInbound(interactionIntent, implementationIntent, invocation);
}
} catch (Throwable e) {
if (e instanceof Error) {
throw (Error)e;
} else if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
result = msg;
msg.setFaultBody(e);
}
}
return result;
}
private static class TransactionalInvocation implements TransactionalAction<Message> {
private final Invoker invoker;
private final Message message;
public TransactionalInvocation(Invoker invoker, Message message) {
super();
this.invoker = invoker;
this.message = message;
}
public Message run() throws Exception {
return invoker.invoke(message);
}
}
public String getPhase() {
return phase;
}
}
|
