| /* |
| * 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 org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionDestroyedException; |
| import org.apache.geode.cache.execute.FunctionContext; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.internal.cache.execute.InternalFunction; |
| import org.apache.geode.internal.cache.xmlcache.CacheXml; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.management.internal.configuration.domain.XmlEntity; |
| |
| /** |
| * |
| * @since GemFire 7.0 |
| */ |
| public class RegionDestroyFunction implements InternalFunction { |
| private static final long serialVersionUID = 9172773671865750685L; |
| |
| @Immutable |
| public static final RegionDestroyFunction INSTANCE = new RegionDestroyFunction(); |
| |
| private static final String ID = RegionDestroyFunction.class.getName(); |
| |
| @Override |
| public boolean hasResult() { |
| return true; |
| } |
| |
| @Override |
| public void execute(FunctionContext context) { |
| String regionPath = null; |
| String memberName = context.getMemberName(); |
| |
| try { |
| String functionId = context.getFunctionId(); |
| Object arguments = context.getArguments(); |
| |
| if (!getId().equals(functionId) || arguments == null) { |
| context.getResultSender().lastResult(new CliFunctionResult("", false, |
| "Function Id mismatch or arguments is not available.")); |
| return; |
| } |
| |
| regionPath = (String) arguments; |
| Cache cache = ((InternalCache) context.getCache()).getCacheForProcessingClientRequests(); |
| Region<?, ?> region = cache.getRegion(regionPath); |
| // the region is already destroyed by another member |
| if (region == null) { |
| context.getResultSender().lastResult(new CliFunctionResult(memberName, true, |
| String.format("Region '%s' already destroyed", regionPath))); |
| return; |
| } |
| |
| region.destroyRegion(); |
| |
| String regionName = |
| regionPath.startsWith(Region.SEPARATOR) ? regionPath.substring(1) : regionPath; |
| XmlEntity xmlEntity = new XmlEntity(CacheXml.REGION, "name", regionName); |
| context.getResultSender().lastResult(new CliFunctionResult(memberName, xmlEntity, |
| String.format("Region '%s' destroyed successfully", regionPath))); |
| |
| } catch (IllegalStateException ex) { |
| // user is trying to destroy something that can't destroyed, like co-location |
| context.getResultSender() |
| .lastResult(new CliFunctionResult(memberName, false, ex.getMessage())); |
| } catch (RegionDestroyedException ex) { |
| context.getResultSender().lastResult(new CliFunctionResult(memberName, true, |
| String.format("Region '%s' already destroyed", regionPath))); |
| } catch (Exception ex) { |
| LogService.getLogger().error(ex.getMessage(), ex); |
| context.getResultSender().lastResult(new CliFunctionResult(memberName, ex, ex.getMessage())); |
| } |
| } |
| |
| @Override |
| public String getId() { |
| return ID; |
| } |
| |
| @Override |
| public boolean optimizeForWrite() { |
| return false; |
| } |
| |
| @Override |
| public boolean isHA() { |
| return false; |
| } |
| } |