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1
23
24 package org.objectweb.fractal.adl.nodes;
25
26 import java.util.HashMap  ;
27 import java.util.List ;
28 import java.util.Map ;
29
30 import org.objectweb.deployment.scheduling.component.lib.AbstractInstanceProviderTask;
31 import org.objectweb.fractal.adl.components.ComponentContainer;
32 import org.objectweb.fractal.adl.implementations.ImplementationBuilder;
33 import org.objectweb.fractal.adl.implementations.ImplementationCompiler;
34
35 public class VirtualNodeImplementationCompiler extends ImplementationCompiler {
36
37 public AbstractInstanceProviderTask newCreateTask (
38 final List path,
39 final ComponentContainer container,
40 final String name,
41 final String definition,
42 final Object controller,
43 final Object implementation,
44 final Map context)
45 {
46 VirtualNode n = null;
47 if (container instanceof VirtualNodeContainer) {
48 n = ((VirtualNodeContainer)container).getVirtualNode();
49 }
50 if (n == null) {
51 for (int i = path.size() - 1; i >= 0; --i) {
52 if (path.get(i) instanceof VirtualNodeContainer) {
53 n = ((VirtualNodeContainer)path.get(i)).getVirtualNode();
54 if (n != null) {
55 break;
56 }
57 }
58 }
59 }
60 if (n != null) {
61 return new RemoteCreateTask(
62 builder, name, definition, controller, implementation, context.get(n.getName()));
63 }
64 return super.newCreateTask(
65 path, container, name, definition, controller, implementation, context);
66 }
67
68 static class RemoteCreateTask extends AbstractInstanceProviderTask {
69
70 ImplementationBuilder builder;
71
72 String name;
73
74 String definition;
75
76 Object controllerDesc;
77
78 Object contentDesc;
79
80 Object node;
81
82 public RemoteCreateTask (
83 final ImplementationBuilder builder,
84 final String name,
85 final String definition,
86 final Object controllerDesc,
87 final Object contentDesc,
88 final Object node)
89 {
90 this.builder = builder;
91 this.name = name;
92 this.definition = definition;
93 this.controllerDesc = controllerDesc;
94 this.contentDesc = contentDesc;
95 this.node = node;
96 }
97
98 public void execute (Object context) throws Exception {
99 if (getInstance() != null) {
100 return;
101 }
102 if (node != null && context instanceof Map ) {
103 context = new HashMap ((Map )context);
104 ((Map )context).put("bootstrap", node);
105 }
106 Object type = getFactoryProviderTask().getFactory();
107 Object result = builder.createComponent(
108 type, name, definition, controllerDesc, contentDesc, context);
109 setInstance(result);
110 }
111
112 public String toString () {
113 return "T" + System.identityHashCode(this) +
114 "[CreateTask(" + name + "," + controllerDesc + "," + contentDesc + ")]";
115 }
116 }
117 }
118 |
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