content: /**
   * 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.alipay.dw.jstorm.transcation;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import backtype.storm.Config;
  import backtype.storm.StormSubmitter;
  import backtype.storm.spout.SpoutOutputCollector;
  import backtype.storm.task.TopologyContext;
  import backtype.storm.tuple.Fields;
  import backtype.storm.tuple.Values;
  
  import com.alibaba.starter.utils.JStormHelper;
  import com.alibaba.jstorm.utils.JStormUtils;
  import com.alibaba.jstorm.transactional.bolt.ITransactionBoltExecutor;
  import com.alibaba.jstorm.transactional.bolt.ITransactionStatefulBoltExecutor;
  import com.alibaba.jstorm.transactional.spout.ITransactionSpoutExecutor;
  import com.alibaba.jstorm.transactional.TransactionTopologyBuilder;
  import com.alipay.dw.jstorm.example.performance.test.FastWordCountTopology.FastRandomSentenceSpout;
  import com.alipay.dw.jstorm.example.performance.test.FastWordCountTopology.SplitSentence;
  import com.alipay.dw.jstorm.example.performance.test.FastWordCountTopology.WordCount;
  
  public class TransactionTestTopology {
      private static Logger LOG = LoggerFactory.getLogger(TransactionTestTopology.class);
      
      public final static String SPOUT_PARALLELISM_HINT = "spout.parallel";
      public final static String SPLIT_PARALLELISM_HINT = "split.parallel";
      public final static String COUNT_PARALLELISM_HINT = "count.parallel";
      
      public static class BasicTxSpout extends FastRandomSentenceSpout implements ITransactionSpoutExecutor {
          private int tupleNumPerBatch;
  
          @Override
  		public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) {
              super.open(conf, context, collector);
              tupleNumPerBatch = JStormUtils.parseInt(conf.get("tuple.num.per.batch"), 50000);
  		}
          
          @Override
          public void nextTuple() {
              int n = tupleNumPerBatch;
              while (--n >= 0) {
                  collector.emit(new Values(CHOICES[index]));
                  index = (++index) % CHOICES.length;
              }
              collector.emitBarrier();
              printSendTps(tupleNumPerBatch);
          }
          
          @Override
          public void initState(Object state) {
              if (state != null) {
                  index = (Integer) state;
              }
              LOG.info("initState, index=" + index);
          }
          
          @Override
          public Object finishBatch(long batchId) {
              return index;
          }
          
          @Override
          public void rollBack(Object state) {
              if (state != null) {
                  index = (Integer) state;
              }
              LOG.info("rollback! index=" + index);
          }
          
          @Override
          public Object commit(long batchId, Object stateData) {
          	/* If any failure happened during committing, just return "fail" flag
          	 * return TransactionCommon.COMMIT_FAIL;
          	 */
              return stateData;
          }
          
          @Override
          public void ackCommit(long batchId, long ts) {
          
          }
      }
      
      public static class ScheduleTxSpout extends FastRandomSentenceSpout implements ITransactionSpoutExecutor {
          @Override
          public void initState(Object state) {
              if (state != null) {
                  index = (Integer) state;
              }
              LOG.info("initState, index=" + index);
          }
          
          @Override
          public Object finishBatch(long batchId) {
              return index;
          }
          
          @Override
          public void rollBack(Object state) {
              if (state != null) {
                  index = (Integer) state;
              }
              LOG.info("rollback! index=" + index);
          }
          
          @Override
          public Object commit(long batchId, Object stateData) {
          	/* If any failure happened during committing, just return "fail" flag
          	 * return TransactionCommon.COMMIT_FAIL;
          	 */
              return stateData;
          }
  
          @Override
          public void ackCommit(long batchId, long ts) {
          
          }
      }
      
      public static class TxSplitSentence extends SplitSentence implements ITransactionBoltExecutor {
          
      }
      
      public static class TxWordCount extends WordCount implements ITransactionStatefulBoltExecutor {
          @Override
          public Object finishBatch(long batchId) {
              return new HashMap<String, Integer>(counts);
          }
          
          @Override
          public void initState(Object state) {
              if (state != null) {
                  counts = (HashMap<String, Integer>) state;
              }
              LOG.info("initState, counts=" + counts);
          }
          
          @Override
          public void rollBack(Object state) {
              if (state != null) {
                  counts = (HashMap<String, Integer>) state;
              }
              LOG.info("rollBack, counts=" + counts);
          }
          
          @Override
          public Object commit(long batchId, Object stateData) {
          	/* If any failure happened during committing, just return "fail" flag
          	 * return TransactionCommon.COMMIT_FAIL;
          	 */
              return stateData;
          }
          
          @Override
          public void ackCommit(long batchId, long ts) {
          
          }
      }
      
      static boolean      isLocal     = true;
      static List<String> hosts;
      static boolean      spoutSingle = true;
      static Config       conf        = JStormHelper.getConfig(null);
      
      public static void test() throws Exception {
          TransactionTopologyBuilder builder = new TransactionTopologyBuilder();
          if (isLocal) {
              conf.put("tuple.num.per.batch", 5);
              conf.put("transaction.scheduler.spout", false);
              conf.put("transaction.exactly.cache.type", "default");
          }
  
          int spoutParallelism = JStormUtils.parseInt(conf.get(SPOUT_PARALLELISM_HINT), 1);
          int splitParallelism = JStormUtils.parseInt(conf.get(SPLIT_PARALLELISM_HINT), 2);
          int countParallelism = JStormUtils.parseInt(conf.get(COUNT_PARALLELISM_HINT), 2);
  
          boolean isScheduleSpout = JStormUtils.parseBoolean(conf.get("transaction.scheduler.spout"), true);
          if (isScheduleSpout)
              // Generate batch by configured time. "transaction.schedule.batch.delay.ms: 1000 # 1sec"
              builder.setSpout("spout", new ScheduleTxSpout(), spoutParallelism);
          else
              // Generate batch by user when calling emitBarrier
              builder.setSpout("spout", new BasicTxSpout(), spoutParallelism, false);
          builder.setBolt("split", new TxSplitSentence(), splitParallelism).localOrShuffleGrouping("spout");
          builder.setBolt("count", new TxWordCount(), countParallelism).fieldsGrouping("split", new Fields("word"));
  
          String[] className = Thread.currentThread().getStackTrace()[1].getClassName().split("\\.");
          String topologyName = className[className.length - 1];
          StormSubmitter.submitTopology(topologyName, conf, builder.createTopology());
      }
      
      public static void main(String[] args) throws Exception {
          isLocal = false;
          conf = JStormHelper.getConfig(args);
          test();
      }
      
  }
  