| /* |
| * 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.Iterator; |
| import java.util.Set; |
| |
| 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; |
| import org.apache.geode.cache.execute.RegionFunctionContext; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.pdx.PdxInstance; |
| |
| public class GetOrderDescriptionFunction implements Function { |
| |
| @Override |
| public void execute(FunctionContext context) { |
| Region region = null; |
| |
| if (context.getArguments() instanceof String) { |
| String arg = (String) context.getArguments(); |
| } else { |
| System.out.println("GetOrderDescriptionFunction : Invalid Arguments"); |
| } |
| |
| InternalCache cache = null; |
| try { |
| cache = (InternalCache) CacheFactory.getAnyInstance(); |
| cache.getCacheConfig().setPdxReadSerialized(true); |
| region = cache.getRegion("orders"); |
| } catch (CacheClosedException ex) { |
| context.getResultSender().lastResult("NoCacheFoundResult"); |
| throw ex; |
| } |
| |
| RegionFunctionContext regionContext = (RegionFunctionContext) context; |
| Set<String> keys = (Set<String>) regionContext.getFilter(); |
| Iterator keysIterator = keys.iterator(); |
| Object key = null; |
| while (keysIterator.hasNext()) { |
| key = (keysIterator.next()); |
| break; |
| } |
| |
| Object obj = region.get(key); |
| String description = ""; |
| if (obj instanceof PdxInstance) { |
| PdxInstance pi = (PdxInstance) obj; |
| Order receivedOrder = (Order) pi.getObject(); |
| description = receivedOrder.getDescription(); |
| } else { |
| Order receivedOrder = (Order) obj; |
| description = receivedOrder.getDescription(); |
| } |
| |
| context.getResultSender().lastResult(description); |
| } |
| |
| @Override |
| public String getId() { |
| return "GetOrderDescriptionFunction"; |
| } |
| |
| @Override |
| public boolean hasResult() { |
| return true; |
| } |
| |
| @Override |
| public boolean optimizeForWrite() { |
| return false; |
| } |
| |
| @Override |
| public boolean isHA() { |
| return false; |
| } |
| } |