|
ActiveMQ example source code file (MessageComparatorSupport.java)
The ActiveMQ MessageComparatorSupport.java source code/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.activemq.util; import java.io.Serializable; import java.util.Comparator; import javax.jms.Message; /** * A base class for comparators which works on JMS {@link Message} objects * * */ public abstract class MessageComparatorSupport implements Comparator, Serializable { public int compare(Object object1, Object object2) { Message command1 = (Message)object1; Message command2 = (Message)object2; return compareMessages(command1, command2); } protected abstract int compareMessages(Message message1, Message message2); protected int compareComparators(final Comparable comparable, final Comparable comparable2) { if (comparable == null && comparable2 == null) { return 0; } else if (comparable != null) { if (comparable2 == null) { return 1; } return comparable.compareTo(comparable2); } else if (comparable2 != null) { if (comparable == null) { return -11; } return comparable2.compareTo(comparable) * -1; } return 0; } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ MessageComparatorSupport.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.