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 org.apache.activemq.broker.region.policy.PolicyEntry; 020import org.apache.activemq.broker.region.policy.PolicyMap; 021import org.apache.activemq.plugin.util.PolicyEntryUtil; 022 023public class PolicyEntryProcessor extends DefaultConfigurationProcessor { 024 025 public PolicyEntryProcessor(RuntimeConfigurationBroker plugin, Class<?> configurationClass) { 026 super(plugin, configurationClass); 027 } 028 029 @Override 030 public void addNew(Object o) { 031 PolicyEntry addition = fromDto(o, new PolicyEntry()); 032 PolicyMap existingMap = plugin.getBrokerService().getDestinationPolicy(); 033 existingMap.put(addition.getDestination(), addition); 034 applyRetrospectively(addition); 035 plugin.info("added policy for: " + addition.getDestination()); 036 } 037 038 @Override 039 public void modify(Object existing, Object candidate) { 040 PolicyEntry updatedEntry = fromDto(candidate, new PolicyEntry()); 041 042 //Look up an existing entry that matches the candidate 043 //First just look up by the destination type to see if anything matches 044 PolicyEntry existingEntry = PolicyEntryUtil.findEntryByDestination(plugin, updatedEntry); 045 if (existingEntry != null) { 046 //if found, update the policy and apply the updates to existing destinations 047 updatedEntry = fromDto(candidate, existingEntry); 048 applyRetrospectively(updatedEntry); 049 plugin.info("updated policy for: " + updatedEntry.getDestination()); 050 } else { 051 plugin.info("cannot find policy entry candidate to update: " + updatedEntry + ", destination:" + updatedEntry.getDestination()); 052 } 053 } 054 055 protected void applyRetrospectively(PolicyEntry updatedEntry) { 056 PolicyEntryUtil.applyRetrospectively(plugin, updatedEntry); 057 } 058}