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Java > Open Source Codes > org > apache > servicemix > beanflow > CallableActivity


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.beanflow;
18
19 import java.util.concurrent.Callable JavaDoc;
20 import java.util.concurrent.Executor JavaDoc;
21 import java.util.concurrent.Future JavaDoc;
22 import java.util.concurrent.FutureTask JavaDoc;
23
24 /**
25  * An asynchronous activity which is capable of returning a future result
26  *
27  * @version $Revision: $
28  */
29 public class CallableActivity<T> extends AsynchronousActivity {
30
31     private final Future JavaDoc<T> future;
32
33     public CallableActivity(Executor JavaDoc executor, Callable JavaDoc<T> callable) {
34         this(executor, new FutureTask JavaDoc<T>(callable));
35     }
36
37     public CallableActivity(Executor JavaDoc executor, FutureTask JavaDoc<T> futureTask) {
38         super(executor, futureTask);
39         this.future = futureTask;
40     }
41
42     /**
43      * Returns the future object for the result value of the callable task
44      */
45     public Future JavaDoc<T> getFuture() {
46         return future;
47     }
48
49 }
50
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