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
|
/*
* 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.binding.event.impl;
import java.util.logging.Logger;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.binding.event.DefaultEventBindingFactory;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.provider.BindingProviderFactory;
import org.apache.tuscany.sca.provider.PolicyProvider;
import org.apache.tuscany.sca.provider.PolicyProviderFactory;
import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
/**
* Event reference binding provider
*
* @version $$
*/
public class EventReferenceBindingProvider implements ReferenceBindingProvider {
private static final Logger logger = Logger.getLogger(EventReferenceBindingProvider.class.getName());
@SuppressWarnings("unused")
private RuntimeComponent component;
@SuppressWarnings("unused")
private EventBindingImpl binding;
@SuppressWarnings("unused")
private RuntimeComponentReference reference;
private boolean started = false;
private ReferenceBindingProvider baseBindingProvider;
@SuppressWarnings("unchecked")
public EventReferenceBindingProvider(ExtensionPointRegistry extensionPoints,
RuntimeComponent component,
RuntimeComponentReference reference,
EventBindingImpl binding) {
this.component = component;
this.reference = reference;
this.binding = binding;
ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class);
ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
Binding baseBinding = binding.getBaseBinding();
if (baseBinding == null) {
DefaultEventBindingFactory defaultEventBindingFactory =
(DefaultEventBindingFactory)modelFactories.getFactory(DefaultEventBindingFactory.class);
if (defaultEventBindingFactory == null) {
logger.severe("Default binding for Event binding not available");
}
baseBinding = binding.createDefaultBaseBinding(defaultEventBindingFactory);
}
BindingProviderFactory providerFactory =
(BindingProviderFactory)providerFactories.getProviderFactory(baseBinding.getClass());
if (providerFactory != null) {
baseBindingProvider =
providerFactory.createReferenceBindingProvider((RuntimeComponent)component,
(RuntimeComponentReference)reference,
baseBinding);
for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
PolicyProvider policyProvider = f.createReferencePolicyProvider(component, reference, baseBinding);
if (policyProvider != null) {
reference.addPolicyProvider(baseBinding, policyProvider);
}
}
}
if (baseBindingProvider == null) {
throw new IllegalStateException("Provider factory not found for class: " + baseBinding.getClass().getName());
}
}
public InterfaceContract getBindingInterfaceContract() {
return baseBindingProvider.getBindingInterfaceContract();
}
public boolean supportsOneWayInvocation() {
return true;
}
public Invoker createInvoker(Operation operation) {
return new EventBindingInvoker(baseBindingProvider, operation);
}
public void start() {
if (started) {
return;
} else {
baseBindingProvider.start();
started = true;
}
}
public void stop() {
if (!started) {
return;
} else {
baseBindingProvider.stop();
started = false;
}
}
}
|
