| /* |
| * 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.cli.functions; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import joptsimple.internal.Strings; |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.CacheClosedException; |
| import org.apache.geode.cache.Declarable; |
| import org.apache.geode.cache.asyncqueue.AsyncEventListener; |
| import org.apache.geode.cache.asyncqueue.AsyncEventQueueFactory; |
| import org.apache.geode.cache.configuration.CacheConfig; |
| import org.apache.geode.cache.configuration.ClassNameType; |
| import org.apache.geode.cache.configuration.DeclarableType; |
| import org.apache.geode.cache.configuration.ParameterType; |
| import org.apache.geode.cache.execute.FunctionContext; |
| import org.apache.geode.cache.wan.GatewayEventFilter; |
| import org.apache.geode.cache.wan.GatewayEventSubstitutionFilter; |
| import org.apache.geode.cache.wan.GatewaySender.OrderPolicy; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.internal.ClassPathLoader; |
| import org.apache.geode.internal.InternalDataSerializer; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.management.cli.CliFunction; |
| import org.apache.geode.management.internal.cli.functions.CliFunctionResult.StatusState; |
| |
| /** |
| * Function used by the 'create async-event-queue' gfsh command to create an asynchronous event |
| * queue on a member. |
| * |
| * @since GemFire 8.0 |
| */ |
| public class CreateAsyncEventQueueFunction extends CliFunction { |
| private static final Logger logger = LogService.getLogger(); |
| |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public CliFunctionResult executeFunction(FunctionContext context) { |
| // Declared here so that it's available when returning a Throwable |
| String memberId = ""; |
| |
| try { |
| CacheConfig.AsyncEventQueue config = (CacheConfig.AsyncEventQueue) context.getArguments(); |
| |
| InternalCache cache = (InternalCache) context.getCache(); |
| |
| DistributedMember member = cache.getDistributedSystem().getDistributedMember(); |
| |
| memberId = member.getId(); |
| // If they set a name use it instead |
| if (!member.getName().equals("")) { |
| memberId = member.getName(); |
| } |
| |
| AsyncEventQueueFactory asyncEventQueueFactory = |
| cache.createAsyncEventQueueFactory().setParallel(config.isParallel()) |
| .setBatchConflationEnabled(config.isEnableBatchConflation()) |
| .setBatchSize(Integer.parseInt(config.getBatchSize())) |
| .setBatchTimeInterval(Integer.parseInt(config.getBatchTimeInterval())) |
| .setPersistent(config.isPersistent()).setDiskStoreName(config.getDiskStoreName()) |
| .setDiskSynchronous(config.isDiskSynchronous()) |
| .setForwardExpirationDestroy(config.isForwardExpirationDestroy()) |
| .setMaximumQueueMemory(Integer.parseInt(config.getMaximumQueueMemory())) |
| .setDispatcherThreads(Integer.parseInt(config.getDispatcherThreads())) |
| .setOrderPolicy(OrderPolicy.valueOf(config.getOrderPolicy())); |
| |
| if (config.isPauseEventProcessing()) { |
| asyncEventQueueFactory.pauseEventDispatching(); |
| } |
| |
| String[] gatewayEventFilters = config.getGatewayEventFilters().stream() |
| .map(ClassNameType::getClassName).toArray(String[]::new); |
| |
| if (gatewayEventFilters != null) { |
| for (String gatewayEventFilter : gatewayEventFilters) { |
| asyncEventQueueFactory |
| .addGatewayEventFilter((GatewayEventFilter) newInstance(gatewayEventFilter)); |
| } |
| } |
| |
| DeclarableType gatewayEventSubstitutionFilter = config.getGatewayEventSubstitutionFilter(); |
| |
| if (gatewayEventSubstitutionFilter != null) { |
| String gatewaySubstitutionFilter = gatewayEventSubstitutionFilter.getClassName(); |
| asyncEventQueueFactory.setGatewayEventSubstitutionListener( |
| (GatewayEventSubstitutionFilter<?, ?>) newInstance(gatewaySubstitutionFilter)); |
| } |
| |
| String listenerClassName = config.getAsyncEventListener().getClassName(); |
| Object listenerInstance; |
| Class<?> listenerClass = InternalDataSerializer.getCachedClass(listenerClassName); |
| listenerInstance = listenerClass.newInstance(); |
| |
| List<ParameterType> parameters = config.getAsyncEventListener().getParameters(); |
| Properties listenerProperties = new Properties(); |
| for (ParameterType p : parameters) { |
| listenerProperties.put(p.getName(), p.getString()); |
| } |
| |
| if (!listenerProperties.isEmpty()) { |
| if (!(listenerInstance instanceof Declarable)) { |
| throw new IllegalArgumentException( |
| "Listener properties were provided, but the listener specified does not implement Declarable."); |
| } |
| |
| ((Declarable) listenerInstance).initialize(cache, listenerProperties); |
| ((Declarable) listenerInstance).init(listenerProperties); // for backwards compatibility |
| |
| Map<Declarable, Properties> declarablesMap = new HashMap<>(); |
| declarablesMap.put((Declarable) listenerInstance, listenerProperties); |
| cache.addDeclarableProperties(declarablesMap); |
| } |
| |
| asyncEventQueueFactory.create(config.getId(), (AsyncEventListener) listenerInstance); |
| |
| return new CliFunctionResult(memberId, StatusState.OK, "Success"); |
| } catch (CacheClosedException cce) { |
| return new CliFunctionResult(memberId, StatusState.ERROR, null); |
| } catch (Exception e) { |
| logger.error("Could not create async event queue: {}", e.getMessage(), e); |
| return new CliFunctionResult(memberId, e, null); |
| } |
| } |
| |
| private Object newInstance(String className) |
| throws ClassNotFoundException, IllegalAccessException, InstantiationException { |
| if (Strings.isNullOrEmpty(className)) { |
| return null; |
| } |
| |
| return ClassPathLoader.getLatest().forName(className).newInstance(); |
| } |
| |
| @Override |
| public String getId() { |
| return CreateAsyncEventQueueFunction.class.getName(); |
| } |
| } |