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ActiveMQ example source code file (FilteredDestination.java)
The ActiveMQ FilteredDestination.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.broker.region.virtual; import javax.jms.InvalidSelectorException; import javax.jms.JMSException; import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.filter.BooleanExpression; import org.apache.activemq.filter.MessageEvaluationContext; import org.apache.activemq.selector.SelectorParser; /** * Represents a destination which is filtered using some predicate such as a selector * so that messages are only dispatched to the destination if they match the filter. * * @org.apache.xbean.XBean * * */ public class FilteredDestination { private ActiveMQDestination destination; private String selector; private BooleanExpression filter; public boolean matches(MessageEvaluationContext context) throws JMSException { BooleanExpression booleanExpression = getFilter(); if (booleanExpression == null) { return false; } return booleanExpression.matches(context); } public ActiveMQDestination getDestination() { return destination; } /** * The destination to send messages to if they match the filter */ public void setDestination(ActiveMQDestination destination) { this.destination = destination; } public String getSelector() { return selector; } /** * Sets the JMS selector used to filter messages before forwarding them to this destination */ public void setSelector(String selector) throws InvalidSelectorException { this.selector = selector; setFilter(SelectorParser.parse(selector)); } public BooleanExpression getFilter() { return filter; } public void setFilter(BooleanExpression filter) { this.filter = filter; } /** * Sets the destination property to the given queue name */ public void setQueue(String queue) { setDestination(ActiveMQDestination.createDestination(queue, ActiveMQDestination.QUEUE_TYPE)); } /** * Sets the destination property to the given topic name */ public void setTopic(String topic) { setDestination(ActiveMQDestination.createDestination(topic, ActiveMQDestination.TOPIC_TYPE)); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ FilteredDestination.java source code file: |
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