| /** |
| * 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.contrib.helper; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import com.datatorrent.common.util.BaseOperator; |
| import com.datatorrent.api.DefaultInputPort; |
| import com.datatorrent.api.Operator; |
| |
| |
| public class CollectorModule<T> extends BaseOperator |
| { |
| public final transient CollectorInputPort<T> inputPort = new CollectorInputPort<T>("collector", this); |
| |
| public static class CollectorInputPort<T> extends DefaultInputPort<T> |
| { |
| public volatile static HashMap<String, List<?>> collections = new HashMap<String, List<?>>(); |
| ArrayList<T> list; |
| |
| final String id; |
| |
| public CollectorInputPort(String id, Operator module) |
| { |
| super(); |
| this.id = id; |
| } |
| |
| @Override |
| public void process(T tuple) |
| { |
| // System.out.print("collector process:"+tuple); |
| list.add(tuple); |
| } |
| |
| @Override |
| public void setConnected(boolean flag) |
| { |
| if (flag) { |
| collections.put(id, list = new ArrayList<T>()); |
| } |
| } |
| } |
| } |