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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* 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.core.builder;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import org.osoa.sca.annotations.EagerInit;
import org.apache.tuscany.spi.builder.BindingBuilder;
import org.apache.tuscany.spi.builder.BuilderException;
import org.apache.tuscany.spi.builder.BuilderRegistry;
import org.apache.tuscany.spi.builder.ComponentBuilder;
import org.apache.tuscany.spi.builder.ScopeNotFoundException;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.Reference;
import org.apache.tuscany.spi.component.ReferenceBinding;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.ScopeRegistry;
import org.apache.tuscany.spi.component.Service;
import org.apache.tuscany.spi.component.ServiceBinding;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.model.BindingDefinition;
import org.apache.tuscany.spi.model.ComponentDefinition;
import org.apache.tuscany.spi.model.ComponentType;
import org.apache.tuscany.spi.model.Implementation;
import org.apache.tuscany.spi.model.ReferenceDefinition;
import org.apache.tuscany.spi.model.Scope;
import org.apache.tuscany.spi.model.ServiceContract;
import org.apache.tuscany.spi.model.ServiceDefinition;
import org.apache.tuscany.core.binding.local.LocalBindingDefinition;
import org.apache.tuscany.core.implementation.composite.ReferenceImpl;
import org.apache.tuscany.core.implementation.composite.ServiceImpl;
/**
* The default builder registry in the runtime
*
* @version $Rev$ $Date$
*/
@EagerInit
public class BuilderRegistryImpl implements BuilderRegistry {
private ScopeRegistry scopeRegistry;
private final Map<Class<? extends Implementation<?>>, ComponentBuilder<? extends Implementation<?>>> componentBuilders =
new HashMap<Class<? extends Implementation<?>>, ComponentBuilder<? extends Implementation<?>>>();
private final Map<Class<? extends BindingDefinition>, BindingBuilder<? extends BindingDefinition>> bindingBuilders =
new HashMap<Class<? extends BindingDefinition>, BindingBuilder<? extends BindingDefinition>>();
public BuilderRegistryImpl(@org.osoa.sca.annotations.Reference ScopeRegistry scopeRegistry) {
this.scopeRegistry = scopeRegistry;
}
public <I extends Implementation<?>> void register(Class<I> implClass, ComponentBuilder<I> builder) {
componentBuilders.put(implClass, builder);
}
public <I extends Implementation<?>> void unregister(Class<I> implClass) {
componentBuilders.remove(implClass);
}
public <B extends BindingDefinition> void register(Class<B> implClass, BindingBuilder<B> builder) {
bindingBuilders.put(implClass, builder);
}
@SuppressWarnings("unchecked")
public <I extends Implementation<?>> Component build(
ComponentDefinition<I> componentDefinition,
DeploymentContext context) throws BuilderException {
Class<?> implClass = componentDefinition.getImplementation().getClass();
// noinspection SuspiciousMethodCalls
ComponentBuilder<I> componentBuilder = (ComponentBuilder<I>) componentBuilders.get(implClass);
if (componentBuilder == null) {
String name = implClass.getName();
throw new NoRegisteredBuilderException("No builder registered for implementation", name);
}
Component component = componentBuilder.build(componentDefinition, context);
assert component != null;
component.setDefaultPropertyValues(componentDefinition.getPropertyValues());
Scope scope = componentDefinition.getImplementation().getComponentType().getImplementationScope();
if (scope == Scope.SYSTEM || scope == Scope.COMPOSITE) {
component.setScopeContainer(context.getCompositeScope());
} else {
// Check for conversational contract if conversational scope
if (scope == Scope.CONVERSATION) {
boolean hasConversationalContract = false;
ComponentType<ServiceDefinition, ReferenceDefinition, ?> componentType =
componentDefinition.getImplementation().getComponentType();
Map<String, ServiceDefinition> services = componentType.getServices();
for (ServiceDefinition serviceDef : services.values()) {
ServiceContract<?> contract = serviceDef.getServiceContract();
if (contract.isConversational()) {
hasConversationalContract = true;
break;
}
}
if (!hasConversationalContract) {
String name = implClass.getName();
throw new NoConversationalContractException(
"No conversational contract for conversational implementation", name);
}
}
// Now it's ok to set the scope container
ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(scope);
if (scopeContainer == null) {
throw new ScopeNotFoundException(scope.toString());
}
component.setScopeContainer(scopeContainer);
}
context.getComponents().put(component.getUri(), component);
ComponentType<?, ?, ?> componentType = componentDefinition.getImplementation().getComponentType();
assert componentType != null : "Component type must be set";
return component;
}
@SuppressWarnings({"unchecked"})
public Service build(ServiceDefinition serviceDefinition, DeploymentContext context) throws BuilderException {
URI uri = serviceDefinition.getUri();
ServiceContract<?> serviceContract = serviceDefinition.getServiceContract();
if (serviceDefinition.getBindings().isEmpty()) {
// if no bindings are configured, default to the local binding.
// this should be changed to allow runtime selection
if (serviceDefinition.getBindings().isEmpty()) {
// TODO JFM implement capability for the runtime to choose a binding
serviceDefinition.addBinding(new LocalBindingDefinition());
}
}
URI targetUri = serviceDefinition.getTarget();
Service service = new ServiceImpl(uri, serviceContract, targetUri);
for (BindingDefinition definition : serviceDefinition.getBindings()) {
Class<?> bindingClass = definition.getClass();
// noinspection SuspiciousMethodCalls
BindingBuilder bindingBuilder = bindingBuilders.get(bindingClass);
if (bindingBuilder == null) {
throw new NoRegisteredBuilderException("No builder registered for type", bindingClass.getName());
}
ServiceBinding binding = bindingBuilder.build(serviceDefinition, definition, context);
service.addServiceBinding(binding);
}
return service;
}
@SuppressWarnings("unchecked")
public Reference build(ReferenceDefinition referenceDefinition, DeploymentContext context) throws BuilderException {
URI uri = referenceDefinition.getUri();
ServiceContract<?> contract = referenceDefinition.getServiceContract();
if (referenceDefinition.getBindings().isEmpty()) {
// if no bindings are configured, default to the local binding.
// this should be changed to allow runtime selection
if (referenceDefinition.getBindings().isEmpty()) {
// TODO JFM implement capability for the runtime to choose a binding
referenceDefinition.addBinding(new LocalBindingDefinition());
}
}
Reference reference = new ReferenceImpl(uri, contract);
for (BindingDefinition bindingDefinition : referenceDefinition.getBindings()) {
Class<?> bindingClass = bindingDefinition.getClass();
// noinspection SuspiciousMethodCalls
BindingBuilder bindingBuilder = bindingBuilders.get(bindingClass);
ReferenceBinding binding = bindingBuilder.build(referenceDefinition, bindingDefinition, context);
reference.addReferenceBinding(binding);
}
return reference;
}
}
|
