Package org.apache.storm.testing

Class TestWordCounter

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseBasicBolt

org.apache.storm.testing.TestWordCounter

All Implemented Interfaces:

Serializable, IBasicBolt, IComponent

Direct Known Subclasses:

TestWordBytesCounter

public class TestWordCounter
extends BaseBasicBolt

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
TestWordCounter()

Method Summary

Modifier and Type	Method	Description
void	cleanup()
void	declareOutputFields(OutputFieldsDeclarer declarer)	Declare the output schema for all the streams of this topology.
void	execute(Tuple input, BasicOutputCollector collector)	Process the input tuple and optionally emit new tuples based on the input tuple.
protected String	getTupleValue(Tuple t, int idx)
void	prepare(Map<String,Object> topoConf, TopologyContext context)

Methods inherited from class org.apache.storm.topology.base.BaseComponent

getComponentConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.storm.topology.IComponent

getComponentConfiguration

Field Details

LOG

public static org.slf4j.Logger LOG

Constructor Details

TestWordCounter

public TestWordCounter()

Method Details

prepare

public void prepare(Map<String,Object> topoConf,
 TopologyContext context)

Specified by:

prepare in interface IBasicBolt

Overrides:

prepare in class BaseBasicBolt

getTupleValue

protected String getTupleValue(Tuple t,
 int idx)

execute

public void execute(Tuple input,
 BasicOutputCollector collector)

Description copied from interface: IBasicBolt

Process the input tuple and optionally emit new tuples based on the input tuple.

All acking is managed for you. Throw a FailedException if you want to fail the tuple.

cleanup

public void cleanup()

Specified by:

cleanup in interface IBasicBolt

Overrides:

cleanup in class BaseBasicBolt

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

Description copied from interface: IComponent

Declare the output schema for all the streams of this topology.

Parameters:

declarer - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream