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Java > Open Source Codes > org > apache > geronimo > connector > work > pool > WorkExecutorPool


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
18 package org.apache.geronimo.connector.work.pool;
19
20 import edu.emory.mathcs.backport.java.util.concurrent.Executor;
21
22 /**
23  * Defines the operations that a pool in charge of the execution of Work
24  * instances must expose.
25  *
26  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
27  */
28 public interface WorkExecutorPool extends Executor {
29
30     /**
31      * Gets the current number of active threads in the pool.
32      *
33      * @return Number of active threads in the pool.
34      */
35     public int getPoolSize();
36
37     /**
38      * Gets the maximum number of threads to simultaneously execute.
39      *
40      * @return Maximum size.
41      */
42     public int getMaximumPoolSize();
43
44     /**
45      * Sets the maximum number of threads to simultaneously execute.
46      *
47      * @param aSize Maximum size.
48      */
49     public void setMaximumPoolSize(int aSize);
50
51     public WorkExecutorPool start();
52
53     public WorkExecutorPool stop();
54
55 }
56
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