| /* |
| * 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.geode.management.internal; |
| |
| import javax.management.ObjectName; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.EntryEvent; |
| import org.apache.geode.cache.util.CacheListenerAdapter; |
| import org.apache.geode.internal.logging.LogService; |
| |
| /** |
| * This listener is attached to the Monitoring Region to receive any addition or deletion of MBEans |
| * |
| * It updates the last refreshed time of proxy once it gets the update request from the Managed Node |
| * |
| * |
| */ |
| public class ManagementCacheListener extends CacheListenerAdapter<String, Object> { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| private MBeanProxyFactory proxyHelper; |
| |
| private volatile boolean readyForEvents; |
| |
| public ManagementCacheListener(MBeanProxyFactory proxyHelper) { |
| this.proxyHelper = proxyHelper; |
| this.readyForEvents = false; |
| } |
| |
| @Override |
| public void afterCreate(EntryEvent<String, Object> event) { |
| if (!readyForEvents) { |
| return; |
| } |
| ObjectName objectName = null; |
| |
| try { |
| objectName = ObjectName.getInstance(event.getKey()); |
| Object newObject = event.getNewValue(); |
| proxyHelper.createProxy(event.getDistributedMember(), objectName, event.getRegion(), |
| newObject); |
| } catch (Exception e) { |
| if (logger.isDebugEnabled()) { |
| logger.debug("Proxy Create failed for {} with exception {}", objectName, e.getMessage(), e); |
| } |
| } |
| |
| } |
| |
| @Override |
| public void afterDestroy(EntryEvent<String, Object> event) { |
| ObjectName objectName = null; |
| |
| try { |
| objectName = ObjectName.getInstance(event.getKey()); |
| Object oldObject = event.getOldValue(); |
| proxyHelper.removeProxy(event.getDistributedMember(), objectName, oldObject); |
| } catch (Exception e) { |
| if (logger.isDebugEnabled()) { |
| logger.debug("Proxy Destroy failed for {} with exception {}", objectName, e.getMessage(), |
| e); |
| } |
| } |
| |
| } |
| |
| @Override |
| public void afterUpdate(EntryEvent<String, Object> event) { |
| ObjectName objectName = null; |
| try { |
| if (!readyForEvents) { |
| return; |
| } |
| objectName = ObjectName.getInstance(event.getKey()); |
| |
| ProxyInfo proxyInfo = proxyHelper.findProxyInfo(objectName); |
| if (proxyInfo != null) { |
| ProxyInterface proxyObj = (ProxyInterface) proxyInfo.getProxyInstance(); |
| // Will return null if proxy is filtered out |
| if (proxyObj != null) { |
| proxyObj.setLastRefreshedTime(System.currentTimeMillis()); |
| } |
| Object oldObject = event.getOldValue(); |
| Object newObject = event.getNewValue(); |
| proxyHelper.updateProxy(objectName, proxyInfo, newObject, oldObject); |
| } |
| |
| } catch (Exception e) { |
| if (logger.isDebugEnabled()) { |
| logger.debug("Proxy Update failed for {} with exception {}", objectName, e.getMessage(), e); |
| } |
| |
| } |
| |
| } |
| |
| void markReady() { |
| readyForEvents = true; |
| } |
| |
| } |