| /** |
| * 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 com.datatorrent.stram.api; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.commons.beanutils.BeanMap; |
| |
| import com.datatorrent.api.Operator; |
| import com.datatorrent.api.StatsListener; |
| import com.datatorrent.stram.engine.OperatorResponse; |
| |
| /** |
| * <p>StramToNodeGetPropertyRequest class.</p> |
| * |
| * @since 2.1.0 |
| */ |
| public class StramToNodeGetPropertyRequest extends StreamingContainerUmbilicalProtocol.StramToNodeRequest implements Serializable |
| { |
| private String propertyName; |
| |
| public StramToNodeGetPropertyRequest() |
| { |
| requestType = RequestType.CUSTOM; |
| cmd = new GetPropertyRequest(); |
| } |
| |
| public String getPropertyName() |
| { |
| return propertyName; |
| } |
| |
| public void setPropertyName(String propertyName) |
| { |
| this.propertyName = propertyName; |
| } |
| |
| private static final Logger logger = LoggerFactory.getLogger(StramToNodeGetPropertyRequest.class); |
| |
| private class GetPropertyRequest implements StatsListener.OperatorRequest, Serializable |
| { |
| @Override |
| public StatsListener.OperatorResponse execute(Operator operator, int operatorId, long windowId) throws IOException |
| { |
| BeanMap beanMap = new BeanMap(operator); |
| Map<String, Object> propertyValue = new HashMap<>(); |
| if (propertyName != null) { |
| if (beanMap.containsKey(propertyName)) { |
| propertyValue.put(propertyName, beanMap.get(propertyName)); |
| } |
| } else { |
| Iterator entryIterator = beanMap.entryIterator(); |
| while (entryIterator.hasNext()) { |
| Map.Entry<String, Object> entry = (Map.Entry<String, Object>)entryIterator.next(); |
| propertyValue.put(entry.getKey(), entry.getValue()); |
| } |
| } |
| logger.debug("Getting property {} on operator {}", propertyValue, operator); |
| OperatorResponse response = new OperatorResponse(requestId, propertyValue); |
| return response; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "Get Property"; |
| } |
| } |
| |
| } |