Package org.apache.heron.api.hooks

Class BaseTaskHook

java.lang.Object

org.apache.heron.api.hooks.BaseTaskHook

All Implemented Interfaces:

ITaskHook

public class BaseTaskHook
extends Object
implements ITaskHook

Constructor Summary

Constructors

Constructor	Description
BaseTaskHook()

Method Summary

Modifier and Type	Method	Description
void	boltAck(BoltAckInfo info)	Called in bolt everytime a tuple gets acked
void	boltExecute(BoltExecuteInfo info)	Called in bolt everytime a tuple gets executed
void	boltFail(BoltFailInfo info)	Called in bolt everytime a tuple gets failed
void	cleanup()	Called just before the spout/bolt's cleanup method is called.
void	emit(EmitInfo info)	Called everytime a tuple is emitted in spout/bolt
void	prepare(Map<String,Object> conf, TopologyContext context)	Called after the spout/bolt's open/prepare method is called conf is the Config thats passed to the topology
void	spoutAck(SpoutAckInfo info)	Called in spout everytime a tuple gets acked
void	spoutFail(SpoutFailInfo info)	Called in spout everytime a tuple gets failed

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseTaskHook

public BaseTaskHook()

Method Detail

prepare

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

Description copied from interface: ITaskHook

Called after the spout/bolt's open/prepare method is called conf is the Config thats passed to the topology

Specified by:

prepare in interface ITaskHook

cleanup

public void cleanup()

Description copied from interface: ITaskHook

Called just before the spout/bolt's cleanup method is called.

Specified by:

cleanup in interface ITaskHook

emit

public void emit(EmitInfo info)

Description copied from interface: ITaskHook

Called everytime a tuple is emitted in spout/bolt

Specified by:

emit in interface ITaskHook

spoutAck

public void spoutAck(SpoutAckInfo info)

Description copied from interface: ITaskHook

Called in spout everytime a tuple gets acked

Specified by:

spoutAck in interface ITaskHook

spoutFail

public void spoutFail(SpoutFailInfo info)

Description copied from interface: ITaskHook

Called in spout everytime a tuple gets failed

Specified by:

spoutFail in interface ITaskHook

boltAck

public void boltAck(BoltAckInfo info)

Description copied from interface: ITaskHook

Called in bolt everytime a tuple gets acked

Specified by:

boltAck in interface ITaskHook

boltFail

public void boltFail(BoltFailInfo info)

Description copied from interface: ITaskHook

Called in bolt everytime a tuple gets failed

Specified by:

boltFail in interface ITaskHook

boltExecute

public void boltExecute(BoltExecuteInfo info)

Description copied from interface: ITaskHook

Called in bolt everytime a tuple gets executed

Specified by:

boltExecute in interface ITaskHook