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.Comparator; 020 021import java.util.concurrent.PriorityBlockingQueue; 022 023/** 024 * Implementation of {@link BlockingQueueFactory} producing {@link java.util.concurrent.PriorityBlockingQueue} 025 */ 026public class PriorityBlockingQueueFactory<E> implements BlockingQueueFactory<E> { 027 028 /** 029 * Comparator used to sort exchanges 030 */ 031 private Comparator<E> comparator; 032 033 public Comparator<E> getComparator() { 034 return comparator; 035 } 036 037 public void setComparator(Comparator<E> comparator) { 038 this.comparator = comparator; 039 } 040 041 @Override 042 public PriorityBlockingQueue<E> create() { 043 return comparator == null 044 ? new PriorityBlockingQueue<E>() 045 // PriorityQueue as a default capacity of 11 046 : new PriorityBlockingQueue<E>(11, comparator); 047 } 048 049 @Override 050 public PriorityBlockingQueue<E> create(int capacity) { 051 return comparator == null 052 ? new PriorityBlockingQueue<E>(capacity) 053 : new PriorityBlockingQueue<E>(capacity, comparator); 054 } 055}