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.component.seda;
018    
019    
020    import java.util.concurrent.ArrayBlockingQueue;
021    
022    /**
023     * Implementation of {@link BlockingQueueFactory} producing {@link java.util.concurrent.ArrayBlockingQueue}
024     */
025    public class ArrayBlockingQueueFactory<E> implements BlockingQueueFactory<E> {
026        /**
027         * Capacity used when none provided
028         */
029        private int defaultCapacity = 50;
030        /**
031         * Lock fairness. null means default fairness
032         */
033        private Boolean fair;
034    
035        /**
036         * @return Default array capacity
037         */
038        public int getDefaultCapacity() {
039            return defaultCapacity;
040        }
041    
042        /**
043         * @param defaultCapacity Default array capacity
044         */
045        public void setDefaultCapacity(int defaultCapacity) {
046            this.defaultCapacity = defaultCapacity;
047        }
048    
049        /**
050         * @return Lock fairness
051         */
052        public boolean isFair() {
053            return fair;
054        }
055    
056        /**
057         * @param fair Lock fairness
058         */
059        public void setFair(boolean fair) {
060            this.fair = fair;
061        }
062    
063        @Override
064        public ArrayBlockingQueue<E> create() {
065            return create(defaultCapacity);
066        }
067    
068        @Override
069        public ArrayBlockingQueue<E> create(int capacity) {
070            return fair == null
071                ? new ArrayBlockingQueue<E>(defaultCapacity) : new ArrayBlockingQueue<E>(defaultCapacity, fair);
072        }
073    }