Example #1
0
 /** {@inheritDoc} */
 @Override
 public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
   LOG.debug("Start to prepare storm output bolt.");
   outputCollector = collector;
   if (null != output.getConfig().get(StreamingConfig.STREAMING_STORM_COMMON_ISACK)) {
     needAck =
         Boolean.valueOf(
             output.getConfig().get(StreamingConfig.STREAMING_STORM_COMMON_ISACK).toString());
   }
   try {
     output.initialize();
   } catch (StreamingException e) {
     LOG.error("Failed to initialize output stream.");
     throw new RuntimeException("Failed to initialize output stream", e);
   }
 }
Example #2
0
  /** {@inheritDoc} */
  @Override
  public void cleanup() {
    LOG.debug("Start to cleanup storm output bolt.");

    try {
      output.destroy();
    } catch (StreamingException e) {
      LOG.error("Failed to destroy output.");
      throw new RuntimeException("Failed to destroy output", e);
    }
  }
Example #3
0
  /** {@inheritDoc} */
  @Override
  public void execute(Tuple tuple) {
    LOG.debug("Start up to execute tuple.");
    String sourceStreamName = tuple.getSourceStreamId();
    try {
      for (String streamName : output.getInputStream()) {
        if (sourceStreamName.equals(streamName)) {
          TupleEvent event =
              TupleTransform.tupeToEvent(tuple, output.getInputSchema().get(streamName));
          output.execute(streamName, event);
        }
      }
    } catch (StreamingException e) {
      LOG.error("Failed to execute tuple.");
      throw new RuntimeException("Failed to execute tuple.", e);
    }

    if (needAck) {
      outputCollector.ack(tuple);
    }
  }
Example #4
0
 /** {@inheritDoc} */
 @Override
 public Map<String, Object> getComponentConfiguration() {
   return output.getConfig();
 }