| /* |
| * 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.rest.internal.web.controllers; |
| |
| import java.util.ArrayList; |
| import java.util.Set; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.CacheClosedException; |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.execute.Function; |
| import org.apache.geode.cache.execute.FunctionContext; |
| |
| /** |
| * The GetRegions class is an gemfire function that gives data about available regions. |
| * <p/> |
| * |
| * @since GemFire 8.0 |
| */ |
| |
| public class GetRegions implements Function { |
| |
| @Override |
| public void execute(FunctionContext context) { |
| |
| ArrayList<String> vals = new ArrayList<String>(); |
| |
| Cache c = null; |
| try { |
| c = CacheFactory.getAnyInstance(); |
| } catch (CacheClosedException ex) { |
| vals.add("NoCacheResult"); |
| context.getResultSender().lastResult(vals); |
| } |
| |
| final Set<Region<?, ?>> regionSet = c.rootRegions(); |
| for (Region<?, ?> r : regionSet) { |
| vals.add(r.getName()); |
| } |
| |
| context.getResultSender().lastResult(vals); |
| } |
| |
| @Override |
| public String getId() { |
| return "GetRegions"; |
| } |
| |
| @Override |
| public boolean hasResult() { |
| return true; |
| } |
| |
| @Override |
| public boolean optimizeForWrite() { |
| return false; |
| } |
| |
| @Override |
| public boolean isHA() { |
| return false; |
| } |
| }; |