001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.connector.work.pool;
019    
020    /**
021     *
022     *
023     * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
024     *
025     * */
026    public class NullWorkExecutorPool implements WorkExecutorPool {
027    
028        private int maxSize;
029    
030        public NullWorkExecutorPool(int maxSize) {
031            this.maxSize = maxSize;
032        }
033    
034        public int getPoolSize() {
035            return 0;
036        }
037    
038        public int getMaximumPoolSize() {
039            return maxSize;
040        }
041    
042        public void setMaximumPoolSize(int maxSize) {
043            this.maxSize = maxSize;
044        }
045    
046        public WorkExecutorPool start() {
047            return new WorkExecutorPoolImpl(maxSize);
048        }
049    
050        public WorkExecutorPool stop() {
051            return this;
052        }
053    
054        public void execute(Runnable command) {
055            throw new IllegalStateException("Stopped");
056        }
057    }