org.apache.flink.storm.util

Class FiniteFileSpout

java.lang.Object

org.apache.flink.storm.util.AbstractLineSpout

org.apache.flink.storm.util.FileSpout

org.apache.flink.storm.util.FiniteFileSpout

All Implemented Interfaces:

backtype.storm.spout.ISpout, backtype.storm.topology.IComponent, backtype.storm.topology.IRichSpout, Serializable, org.apache.flink.storm.util.FiniteSpout

public class FiniteFileSpout
extends FileSpout
implements org.apache.flink.storm.util.FiniteSpout

Implements a Spout that reads data from a given local file. The spout stops automatically when it reached the end of the file.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.storm.util.FileSpout

INPUT_FILE_PATH, path, reader

Fields inherited from class org.apache.flink.storm.util.AbstractLineSpout

ATTRIBUTE_LINE, collector

Constructor Summary

Constructors

Constructor and Description
FiniteFileSpout()
FiniteFileSpout(String path)

Method Summary

Modifier and Type	Method and Description
void	nextTuple()
void	open(Map conf, backtype.storm.task.TopologyContext context, backtype.storm.spout.SpoutOutputCollector collector)
boolean	reachedEnd() Can be called before nextTuple() any times including 0.

Methods inherited from class org.apache.flink.storm.util.FileSpout

close

Methods inherited from class org.apache.flink.storm.util.AbstractLineSpout

ack, activate, deactivate, declareOutputFields, fail, getComponentConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface backtype.storm.spout.ISpout

ack, activate, close, deactivate, fail

Methods inherited from interface backtype.storm.topology.IComponent

declareOutputFields, getComponentConfiguration

Constructor Detail

FiniteFileSpout

public FiniteFileSpout()

FiniteFileSpout

public FiniteFileSpout(String path)

Method Detail

open

public void open(Map conf,
                 backtype.storm.task.TopologyContext context,
                 backtype.storm.spout.SpoutOutputCollector collector)

Specified by:

open in interface backtype.storm.spout.ISpout

Overrides:

open in class FileSpout

nextTuple

public void nextTuple()

Specified by:

nextTuple in interface backtype.storm.spout.ISpout

Overrides:

nextTuple in class FileSpout

reachedEnd

public boolean reachedEnd()

Can be called before nextTuple() any times including 0.

Specified by:

reachedEnd in interface org.apache.flink.storm.util.FiniteSpout