net.sf.seide.core.impl
Class DispatcherImpl

java.lang.Object
  net.sf.seide.core.impl.DispatcherImpl

All Implemented Interfaces:

Dispatcher, DispatcherStatistics, Lifecycle

public class DispatcherImpl
extends Object
implements Dispatcher, DispatcherStatistics

The main Dispatcher implementation.

Author:

german.kondolf

Constructor Summary

DispatcherImpl()

Method Summary

boolean	execute(Event event) Routes the Event to the specified Stage executing the associated EventHandler.
boolean	execute(String stage, Message message) Routes the Message to the specified Stage executing the associated EventHandler.
String	getContext()
int	getStageCount()
long	getTotalEventExecutionsCount()
boolean	isRunning()
boolean	isThrowExceptionOnInvalidStage()
void	setContext(String context) This parameter sets a context, to allow different flows running at the same time and it is propagated in logs & JXM metrics.
void	setStages(List<Stage> stages) Stage list of supported flow EventHandler.
void	setThrowExceptionOnInvalidStage(boolean throwExceptionOnInvalidStage)
void	start() Starts the object implementation's lifecycle.
void	stop() Stops the object implementation's lifecycle.

Methods inherited from class java.lang.Object

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

Constructor Detail

DispatcherImpl

public DispatcherImpl()

Method Detail

execute

public boolean execute(String stage,
                       Message message)
                throws InvalidStageException

Description copied from interface: Dispatcher

Routes the Message to the specified Stage executing the associated EventHandler.

Specified by:

execute in interface Dispatcher

Parameters:

stage - Stage.id

message - payload.

Throws:

InvalidStageException

execute

public boolean execute(Event event)
                throws InvalidStageException

Description copied from interface: Dispatcher

Routes the Event to the specified Stage executing the associated EventHandler.

Specified by:

execute in interface Dispatcher

Throws:

InvalidStageException

start

public void start()

Description copied from interface: Lifecycle

Starts the object implementation's lifecycle.

Specified by:

start in interface Lifecycle

getContext

public String getContext()

Specified by:

getContext in interface Dispatcher

Returns:

The dispatcher context identifier.

setContext

public void setContext(String context)

Description copied from interface: Dispatcher

This parameter sets a context, to allow different flows running at the same time and it is propagated in logs & JXM metrics.

Specified by:

setContext in interface Dispatcher

setStages

public void setStages(List<Stage> stages)

Description copied from interface: Dispatcher

Stage list of supported flow EventHandler.

Specified by:

setStages in interface Dispatcher

Parameters:

stages - Stage list.

setThrowExceptionOnInvalidStage

public void setThrowExceptionOnInvalidStage(boolean throwExceptionOnInvalidStage)

isThrowExceptionOnInvalidStage

public boolean isThrowExceptionOnInvalidStage()

stop

public void stop()

Description copied from interface: Lifecycle

Stops the object implementation's lifecycle.

Specified by:

stop in interface Lifecycle

isRunning

public boolean isRunning()

Specified by:

isRunning in interface Lifecycle

Returns:

is the daemon running now?

getStageCount

public int getStageCount()

Specified by:

getStageCount in interface DispatcherStatistics

Returns:

# of stages defined in the given dispatcher.

getTotalEventExecutionsCount

public long getTotalEventExecutionsCount()

Specified by:

getTotalEventExecutionsCount in interface DispatcherStatistics

Returns:

# of total executions since the Lifecycle.start() call.