blob: d1ad7a5548aa1166fb2b804c1097770903b811b1 (
plain)
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
|
/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.core.context.impl;
import org.apache.tuscany.core.context.QualifiedName;
import org.apache.tuscany.core.context.TargetException;
import org.apache.tuscany.core.context.EntryPointContext;
import org.apache.tuscany.core.context.ContextInitException;
import org.apache.tuscany.core.context.CoreRuntimeException;
import org.apache.tuscany.core.wire.jdk.JDKInvocationHandler;
import org.apache.tuscany.core.wire.ProxyCreationException;
import org.apache.tuscany.core.wire.SourceWireFactory;
import org.apache.tuscany.core.message.MessageFactory;
import java.lang.reflect.InvocationHandler;
/**
* The default implementation of an entry point context
*
* @version $Rev$ $Date$
*/
public class EntryPointContextImpl extends AbstractContext implements EntryPointContext {
private SourceWireFactory<?> sourceWireFactory;
private InvocationHandler invocationHandler;
// a proxy implementing the service exposed by the entry point backed by the invocation handler
private Object proxy;
/**
* Creates a new entry point
*
* @param name the entry point name
* @param sourceWireFactory the proxy factory containing the invocation chains for the entry point
* @param messageFactory a factory for generating invocation messages
* @throws ContextInitException if an error occurs creating the entry point
*/
public EntryPointContextImpl(String name, SourceWireFactory sourceWireFactory, MessageFactory messageFactory)
throws ContextInitException {
super(name);
assert (sourceWireFactory != null) : "Proxy factory was null";
assert (messageFactory != null) : "Message factory was null";
this.sourceWireFactory = sourceWireFactory;
invocationHandler = new JDKInvocationHandler(messageFactory, sourceWireFactory.getConfiguration()
.getInvocationConfigurations());
}
public Object getInstance(QualifiedName qName) throws TargetException {
if (proxy == null) {
try {
proxy = sourceWireFactory.createProxy();
} catch (ProxyCreationException e) {
TargetException te = new TargetException(e);
te.addContextName(getName());
throw te;
}
}
return proxy;
}
public void start() throws ContextInitException {
lifecycleState = RUNNING;
}
public void stop() throws CoreRuntimeException {
lifecycleState = STOPPED;
}
public Object getHandler() throws TargetException {
return invocationHandler;
}
public Class getServiceInterface() {
return sourceWireFactory.getBusinessInterface();
}
}
|
