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 */
017package org.apache.camel.component.seda;
018
019import java.util.concurrent.ArrayBlockingQueue;
020
021/**
022 * Implementation of {@link BlockingQueueFactory} producing {@link java.util.concurrent.ArrayBlockingQueue}
023 */
024public class ArrayBlockingQueueFactory<E> implements BlockingQueueFactory<E> {
025
026    /**
027     * Capacity used when none provided
028     */
029    private int defaultCapacity = 50;
030
031    /**
032     * Lock fairness. null means default fairness
033     */
034    private Boolean fair;
035
036    /**
037     * @return Default array capacity
038     */
039    public int getDefaultCapacity() {
040        return defaultCapacity;
041    }
042
043    /**
044     * @param defaultCapacity Default array capacity
045     */
046    public void setDefaultCapacity(int defaultCapacity) {
047        this.defaultCapacity = defaultCapacity;
048    }
049
050    /**
051     * @return Lock fairness
052     */
053    public boolean isFair() {
054        return fair;
055    }
056
057    /**
058     * @param fair Lock fairness
059     */
060    public void setFair(boolean fair) {
061        this.fair = fair;
062    }
063
064    @Override
065    public ArrayBlockingQueue<E> create() {
066        return create(defaultCapacity);
067    }
068
069    @Override
070    public ArrayBlockingQueue<E> create(int capacity) {
071        return fair == null
072            ? new ArrayBlockingQueue<>(defaultCapacity) : new ArrayBlockingQueue<>(defaultCapacity, fair);
073    }
074}