bolt.DucksBoardBolt.java Source code

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Here is the source code for bolt.DucksBoardBolt.java

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/**
 * 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 bolt;

import backtype.storm.Config;
import backtype.storm.generated.GlobalStreamId;
import backtype.storm.task.OutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.topology.base.BaseRichBolt;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Tuple;
import backtype.storm.utils.TimeCacheMap;

import java.math.BigDecimal;
import java.util.*;

import com.bring.ducksboard.DucksboardDao;
import com.bring.ducksboard.DucksboardId;
import com.bring.ducksboard.DucksboardService;

import org.apache.http.impl.client.DefaultHttpClient;

public class DucksBoardBolt extends BaseRichBolt {

    DucksboardDao dao;// = new DucksboardDao(new DefaultHttpClient(), "XEmNNBQb1M8142xtoi3C20NON2VkcPLuo1FdA1HKZXQGcmh1Nn");
    DucksboardService service;// = new DucksboardService(dao);
    DucksboardId id;// = service.createId("522245");
    DucksboardId id2, id3;

    int totalCount = 0;
    HashMap<String, Integer> counts;

    @Override
    public void prepare(Map conf, TopologyContext context, OutputCollector collector) {

        dao = new DucksboardDao(new DefaultHttpClient(), "XEmNNBQb1M8142xtoi3C20NON2VkcPLuo1FdA1HKZXQGcmh1Nn");
        service = new DucksboardService(dao);
        id = service.createId("524587"); //Madrid
        id2 = service.createId("524588"); //Barca
        id3 = service.createId("522245"); //total

        counts = new HashMap<String, Integer>();
        counts.put("spout-madrid", 0);
        counts.put("spout-barca", 0);

    }

    @Override
    public void execute(Tuple tuple) {
        //     System.out.println("INFO: " + tuple.getSourceComponent() + " - " + tuple.getSourceTask());
        // System.out.println(tuple);
        String from = tuple.getSourceComponent();
        int val;

        if (counts.containsKey(from)) {
            val = counts.get(from);
        } else {
            val = 0;
        }

        val++;

        counts.put(from, val);

        totalCount++;

        //     for (String key : counts.keySet()) {
        //        service.pushValue(id, counts.get(key) / totalCount);
        //     }

        if ((totalCount % 10) == 0) {
            double value = (double) counts.get("spout-madrid") / (double) totalCount;
            double value2 = (double) counts.get("spout-barca") / (double) totalCount;
            //     System.out.println("MADRID: " + value);
            //     System.out.println("BARCA: " + value2);
            service.pushValue(id, BigDecimal.valueOf(value));
            service.pushValue(id2, BigDecimal.valueOf(value2));
            service.pushValue(id3, totalCount);
        }
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer ofd) {
    }

}