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.activemq.plugin; 018 019import java.util.ArrayList; 020import java.util.Arrays; 021import java.util.List; 022 023import org.apache.activemq.broker.region.CompositeDestinationInterceptor; 024import org.apache.activemq.broker.region.DestinationInterceptor; 025import org.apache.activemq.broker.region.RegionBroker; 026import org.apache.activemq.broker.region.virtual.VirtualDestination; 027import org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor; 028 029public abstract class UpdateVirtualDestinationsTask implements Runnable { 030 031 private final AbstractRuntimeConfigurationBroker plugin; 032 033 public UpdateVirtualDestinationsTask( 034 AbstractRuntimeConfigurationBroker plugin) { 035 super(); 036 this.plugin = plugin; 037 } 038 039 @Override 040 public void run() { 041 042 boolean updatedExistingInterceptor = false; 043 RegionBroker regionBroker = (RegionBroker) plugin.getBrokerService() 044 .getRegionBroker(); 045 046 for (DestinationInterceptor destinationInterceptor : plugin 047 .getBrokerService().getDestinationInterceptors()) { 048 if (destinationInterceptor instanceof VirtualDestinationInterceptor) { 049 // update existing interceptor 050 final VirtualDestinationInterceptor virtualDestinationInterceptor = (VirtualDestinationInterceptor) destinationInterceptor; 051 052 virtualDestinationInterceptor 053 .setVirtualDestinations(getVirtualDestinations()); 054 plugin.info("applied updates to: " 055 + virtualDestinationInterceptor); 056 updatedExistingInterceptor = true; 057 } 058 } 059 060 if (!updatedExistingInterceptor) { 061 // add 062 VirtualDestinationInterceptor virtualDestinationInterceptor = new VirtualDestinationInterceptor(); 063 virtualDestinationInterceptor.setVirtualDestinations(getVirtualDestinations()); 064 065 List<DestinationInterceptor> interceptorsList = new ArrayList<DestinationInterceptor>(); 066 interceptorsList.addAll(Arrays.asList(plugin.getBrokerService() 067 .getDestinationInterceptors())); 068 interceptorsList.add(virtualDestinationInterceptor); 069 070 DestinationInterceptor[] destinationInterceptors = interceptorsList 071 .toArray(new DestinationInterceptor[] {}); 072 plugin.getBrokerService().setDestinationInterceptors( 073 destinationInterceptors); 074 075 ((CompositeDestinationInterceptor) regionBroker 076 .getDestinationInterceptor()) 077 .setInterceptors(destinationInterceptors); 078 plugin.info("applied new: " + interceptorsList); 079 } 080 regionBroker.reapplyInterceptor(); 081 } 082 083 protected abstract VirtualDestination[] getVirtualDestinations(); 084}