1   /**
    2    *
    3    * Copyright 2003-2004 The Apache Software Foundation
    4    *
    5    *  Licensed under the Apache License, Version 2.0 (the "License");
    6    *  you may not use this file except in compliance with the License.
    7    *  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 javax.resource.spi.work.WorkException;
   21   
   22   import org.apache.geronimo.connector.work.WorkerContext;
   23   import EDU.oswego.cs.dl.util.concurrent.Executor;
   24   
   25   /**
   26    * Defines the operations that a pool in charge of the execution of Work
   27    * instances must expose.
   28    *
   29    * @version $Rev: 46019 $ $Date: 2004-09-14 02:56:06 -0700 (Tue, 14 Sep 2004) $
   30    */
   31   public interface WorkExecutorPool extends Executor {
   32   
   33       /**
   34        * Gets the current number of active threads in the pool.
   35        *
   36        * @return Number of active threads in the pool.
   37        */
   38       public int getPoolSize();
   39   
   40       /**
   41        * Gets the maximum number of threads to simultaneously execute.
   42        *
   43        * @return Maximum size.
   44        */
   45       public int getMaximumPoolSize();
   46   
   47       /**
   48        * Sets the maximum number of threads to simultaneously execute.
   49        *
   50        * @param aSize Maximum size.
   51        */
   52       public void setMaximumPoolSize(int aSize);
   53   
   54       public WorkExecutorPool start();
   55   
   56       public WorkExecutorPool stop();
   57   
   58   }