| /** |
| * 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.benchmark; |
| |
| /* |
| * To change this template, choose Tools | Templates and open the template in the editor. |
| */ |
| |
| import java.util.ArrayList; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.api.Context.OperatorContext; |
| |
| import com.datatorrent.api.DefaultInputPort; |
| import com.datatorrent.api.Operator; |
| |
| /** |
| * <p>WordCountOperator class.</p> |
| * |
| * @since 0.3.2 |
| */ |
| public class WordCountOperator<T> implements Operator |
| { |
| public final transient DefaultInputPort<T> input = new DefaultInputPort<T>() |
| { |
| @Override |
| public void process(T tuple) |
| { |
| WordCountOperator.this.count++; |
| } |
| |
| }; |
| private transient ArrayList<Integer> counts; |
| private transient int count; |
| private long startmillis; |
| private ArrayList<Integer> millis; |
| |
| @Override |
| public void endWindow() |
| { |
| counts.add(count); |
| millis.add((int)(System.currentTimeMillis() - startmillis)); |
| count = 0; |
| |
| if (counts.size() % 10 == 0) { |
| logger.info("millis = {}", millis); |
| logger.info("counts = {}", counts); |
| millis.clear(); |
| counts.clear(); |
| } |
| } |
| |
| @Override |
| public void teardown() |
| { |
| logger.info("millis = {}", millis); |
| logger.info("counts = {}", counts); |
| } |
| |
| @Override |
| public void beginWindow(long windowId) |
| { |
| startmillis = System.currentTimeMillis(); |
| } |
| |
| @Override |
| public void setup(OperatorContext context) |
| { |
| counts = new ArrayList<Integer>(); |
| millis = new ArrayList<Integer>(); |
| } |
| |
| private static final Logger logger = LoggerFactory.getLogger(WordCountOperator.class); |
| } |