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Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.utils.thread / src / org / simantics / utils / threads / ua / StatefulExecutor.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12
13 package org.simantics.utils.threads.ua;
14
15 import java.util.concurrent.Executor;
16
17 /**
18  *
19  * 
20  * @author Toni Kalajainen (toni.kalajainen@vtt.fi)
21  */
22 public interface StatefulExecutor extends IStatefulObject<ExecutorState, RuntimeException>, Executor {
23
24         /**
25          * Change the status of the executor. 
26          * <p>
27          * To close the executor set the state to <tt>WorkerState.Shutdown</tt>.
28          * When all work has been executed and all threads are shut down, 
29          * the executor will shift to WorkerState.Terminated state.
30          * <p>
31          * Once worker is terminated it cannot be re-activated.
32          *  
33          * @param newStatus 
34          */
35         boolean setState(ExecutorState newStatus);      
36         
37 }