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    package org.apache.camel.impl;
018    
019    import java.util.concurrent.BlockingQueue;
020    
021    import org.apache.camel.Endpoint;
022    import org.apache.camel.Producer;
023    
024    /**
025     * A service pool for {@link Producer}.
026     * <p/>
027     * For instance camel-mina and camel-ftp leverages this to allow a pool of producers so we
028     * can support concurrent producers in a thread safe manner.
029     *
030     * @version $Revision: 779038 $
031     */
032    public class DefaultProducerServicePool extends DefaultServicePool<Endpoint, Producer> {
033    
034        public DefaultProducerServicePool(int capacity) {
035            super(capacity);
036        }
037    
038        public synchronized int size() {
039            int size = 0;
040            for (BlockingQueue<Producer> queue : pool.values()) {
041                size += queue.size();
042            }
043            return size;
044        }
045    
046    }