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11 package org.mule.api;
12
13 import org.mule.DefaultMuleMessage;
14 import org.mule.util.concurrent.DaemonThreadFactory;
15
16 import java.util.List;
17 import java.util.concurrent.Callable;
18 import java.util.concurrent.ExecutionException;
19 import java.util.concurrent.Executor;
20 import java.util.concurrent.Executors;
21 import java.util.concurrent.FutureTask;
22 import java.util.concurrent.TimeUnit;
23 import java.util.concurrent.TimeoutException;
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30
31 public class FutureMessageResult extends FutureTask
32 {
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54 private static final Executor DefaultExecutor = Executors.newSingleThreadExecutor(
55 new DaemonThreadFactory("MuleDefaultFutureMessageExecutor"));
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57
58 private Executor executor;
59
60
61 private List transformers;
62
63 protected MuleContext muleContext;
64
65 public FutureMessageResult(Callable callable, MuleContext muleContext)
66 {
67 super(callable);
68 this.executor = DefaultExecutor;
69 this.muleContext = muleContext;
70 }
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78 public void setExecutor(Executor e)
79 {
80 if (e == null)
81 {
82 throw new IllegalArgumentException("Executor must not be null.");
83 }
84
85 synchronized (this)
86 {
87 this.executor = e;
88 }
89 }
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97 public void setTransformers(List t)
98 {
99 synchronized (this)
100 {
101 this.transformers = t;
102 }
103 }
104
105 public MuleMessage getMessage() throws InterruptedException, ExecutionException, MuleException
106 {
107 return this.getMessage(this.get());
108 }
109
110 public MuleMessage getMessage(long timeout)
111 throws InterruptedException, ExecutionException, TimeoutException, MuleException
112 {
113 return this.getMessage(this.get(timeout, TimeUnit.MILLISECONDS));
114 }
115
116 private MuleMessage getMessage(Object obj) throws MuleException
117 {
118 MuleMessage result = null;
119 if (obj != null)
120 {
121 if (obj instanceof MuleMessage)
122 {
123 result = (MuleMessage)obj;
124 }
125 else
126 {
127 result = new DefaultMuleMessage(obj, muleContext);
128 }
129
130 synchronized (this)
131 {
132 if (transformers != null)
133 {
134 result.applyTransformers(null, transformers, null);
135 }
136 }
137
138 }
139 return result;
140 }
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145 public void execute()
146 {
147 synchronized (this)
148 {
149 executor.execute(this);
150 }
151 }
152
153 }