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
|
/*
* 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.container.script.helper;
import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.spi.ObjectCreationException;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.TargetException;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.extension.AtomicComponentExtension;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.services.work.WorkScheduler;
import org.apache.tuscany.spi.wire.InboundWire;
import org.apache.tuscany.spi.wire.OutboundWire;
import org.apache.tuscany.spi.wire.TargetInvoker;
import org.apache.tuscany.spi.wire.WireService;
/**
* A component implementation for script languages.
*/
public class ScriptHelperComponent extends AtomicComponentExtension {
private final List<Class<?>> services;
private final Map<String, Object> properties;
protected ScriptHelperInstanceFactory instanceFactory;
public ScriptHelperComponent(String name, ScriptHelperInstanceFactory instanceFactory, Map<String, Object> properties, List<Class<?>> services, CompositeComponent parent, ScopeContainer scopeContainer,
WireService wireService, WorkContext workContext, WorkScheduler workScheduler) {
super(name, parent, scopeContainer, wireService, workContext, workScheduler, 0);
this.instanceFactory = instanceFactory;
this.services = services;
this.scope = scopeContainer.getScope();
this.properties = properties;
}
@SuppressWarnings("unchecked")
public Object createInstance() throws ObjectCreationException {
Map<String, Object> context = new HashMap<String, Object>(getProperties());
for (List<OutboundWire> referenceWires : getOutboundWires().values()) {
for (OutboundWire wire : referenceWires) {
Object wireProxy = wireService.createProxy(wire);
context.put(wire.getReferenceName(), wireProxy);
}
}
return instanceFactory.createInstance(services, context);
}
public TargetInvoker createTargetInvoker(String targetName, Operation operation) {
Method[] methods = operation.getServiceContract().getInterfaceClass().getMethods();
Method method = findMethod(operation, methods);
return new ScriptHelperInvoker(method.getName(), this);
}
public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) {
return new AsyncInvoker(operation.getName(), wire, this, workScheduler, null, workContext);
}
// TODO: move all the following up to AtomicComponentExtension?
public List<Class<?>> getServiceInterfaces() {
return services;
}
public Map<String, Object> getProperties() {
return properties;
}
public Object getTargetInstance() throws TargetException {
return scopeContainer.getInstance(this);
}
public Object getServiceInstance() throws TargetException {
return getServiceInstance(null);
}
@SuppressWarnings("unchecked")
public Object getServiceInstance(String service) throws TargetException {
InboundWire wire = getInboundWire(service);
if (wire == null) {
TargetException e = new TargetException("ServiceDefinition not found"); // TODO better error message
e.setIdentifier(service);
throw e;
}
return wireService.createProxy(wire);
}
}
|
