org.apache.flink.storm.util

Class AbstractBoltSink

java.lang.Object

org.apache.flink.storm.util.AbstractBoltSink

All Implemented Interfaces:

backtype.storm.task.IBolt, backtype.storm.topology.IComponent, backtype.storm.topology.IRichBolt, Serializable

Direct Known Subclasses:

BoltFileSink, BoltPrintSink

public abstract class AbstractBoltSink
extends Object
implements backtype.storm.topology.IRichBolt

Implements a sink that write the received data so some external output. The result is formatted like (a1, a2, ..., an) with Object.toString() for each attribute).

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractBoltSink(OutputFormatter formatter)

Method Summary

Modifier and Type	Method and Description
void	cleanup()
void	declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer declarer)
void	execute(backtype.storm.tuple.Tuple input)
Map<String,Object>	getComponentConfiguration()
void	prepare(Map stormConf, backtype.storm.task.TopologyContext context, backtype.storm.task.OutputCollector collector)
protected abstract void	prepareSimple(Map<?,?> stormConf, backtype.storm.task.TopologyContext context)
protected abstract void	writeExternal(String line)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractBoltSink

public AbstractBoltSink(OutputFormatter formatter)

Method Detail

prepare

public final void prepare(Map stormConf,
                          backtype.storm.task.TopologyContext context,
                          backtype.storm.task.OutputCollector collector)

Specified by:

prepare in interface backtype.storm.task.IBolt

prepareSimple

protected abstract void prepareSimple(Map<?,?> stormConf,
                                      backtype.storm.task.TopologyContext context)

execute

public final void execute(backtype.storm.tuple.Tuple input)

Specified by:

execute in interface backtype.storm.task.IBolt

writeExternal

protected abstract void writeExternal(String line)

cleanup

public void cleanup()

Specified by:

cleanup in interface backtype.storm.task.IBolt

declareOutputFields

public final void declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer declarer)

Specified by:

declareOutputFields in interface backtype.storm.topology.IComponent

getComponentConfiguration

public Map<String,Object> getComponentConfiguration()

Specified by:

getComponentConfiguration in interface backtype.storm.topology.IComponent