geronimo-connector/src/main/java/org/apache/geronimo/connector/work/pool/WorkExecutorPool.java

/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.geronimo.connector.work.pool;

import java.util.concurrent.Executor;

/**
 * Defines the operations that a pool in charge of the execution of Work
 * instances must expose.
 *
 * @version $Rev$ $Date$
 */
public interface WorkExecutorPool extends Executor {

    /**
     * Gets the current number of active threads in the pool.
     *
     * @return Number of active threads in the pool.
     */
    public int getPoolSize();

    /**
     * Gets the maximum number of threads to simultaneously execute.
     *
     * @return Maximum size.
     */
    public int getMaximumPoolSize();

    /**
     * Sets the maximum number of threads to simultaneously execute.
     *
     * @param aSize Maximum size.
     */
    public void setMaximumPoolSize(int aSize);

    public WorkExecutorPool start();

    public WorkExecutorPool stop();

}