Package jadex.commons.future

Class DelegationResultListener<E>

java.lang.Object

jadex.commons.future.DelegationResultListener<E>

All Implemented Interfaces:

IFutureCommandResultListener<E>, IResultListener<E>, IUndoneResultListener<E>

Direct Known Subclasses:

DecouplingInterceptor.CopyReturnValueResultListener, PrePostConditionInterceptor.CheckReturnValueResultListener, TracingInterceptor.ReturnValueResultListener

public class DelegationResultListener<E>
extends java.lang.Object
implements IResultListener<E>, IFutureCommandResultListener<E>, IUndoneResultListener<E>

Result listener that delegates calls to a future.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.function.Consumer<E>	customResultListener	Custom functional result listener
protected Future<E>	future	The future to which calls are delegated.
protected boolean	undone	Flag if undone methods should be used.

Constructor Summary

Constructors

Constructor	Description
DelegationResultListener(Future<E> future)	Create a new listener.
DelegationResultListener(Future<E> future, boolean undone)	Create a new listener.
DelegationResultListener(Future<E> future, boolean undone, java.util.function.Consumer<E> customResultListener)	Create a new listener.
DelegationResultListener(Future<E> future, java.util.function.Consumer<E> customResultListener)	Create a new listener.

Method Summary

Modifier and Type	Method	Description
void	commandAvailable(java.lang.Object command)	Called when a command is available.
void	customResultAvailable(E result)	Called when the result is available.
void	exceptionOccurred(java.lang.Exception exception)	Called when an exception occurred.
void	exceptionOccurredIfUndone(java.lang.Exception exception)	Called when an exception occurred.
boolean	isUndone()	Get the undone.
void	resultAvailable(E result)	Called when the result is available.
void	resultAvailableIfUndone(E result)	Called when the result is available.

Methods inherited from class java.lang.Object

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

Field Detail

future

protected Future<E> future

The future to which calls are delegated.

undone

protected boolean undone

Flag if undone methods should be used.

customResultListener

protected java.util.function.Consumer<E> customResultListener

Custom functional result listener

Constructor Detail

DelegationResultListener

public DelegationResultListener(Future<E> future)

Create a new listener.

DelegationResultListener

public DelegationResultListener(Future<E> future,
                                java.util.function.Consumer<E> customResultListener)

Create a new listener.

Parameters:

future - The delegation target.

customResultListener - Custom result listener that overwrites the delegation behaviour.

DelegationResultListener

public DelegationResultListener(Future<E> future,
                                boolean undone,
                                java.util.function.Consumer<E> customResultListener)

Create a new listener.

Parameters:

future - The delegation target.

undone - use undone methods.

customResultListener - Custom result listener that overwrites the delegation behaviour.

DelegationResultListener

public DelegationResultListener(Future<E> future,
                                boolean undone)

Create a new listener.

Method Detail

resultAvailable

public final void resultAvailable(E result)

Called when the result is available.

Specified by:

resultAvailable in interface IResultListener<E>

Parameters:

result - The result.

customResultAvailable

public void customResultAvailable(E result)

Called when the result is available.

Parameters:

result - The result.

exceptionOccurred

public void exceptionOccurred(java.lang.Exception exception)

Called when an exception occurred.

Specified by:

exceptionOccurred in interface IResultListener<E>

Parameters:

exception - The exception.

commandAvailable

public void commandAvailable(java.lang.Object command)

Called when a command is available.

Specified by:

commandAvailable in interface IFutureCommandResultListener<E>

resultAvailableIfUndone

public void resultAvailableIfUndone(E result)

Called when the result is available.

Specified by:

resultAvailableIfUndone in interface IUndoneResultListener<E>

Parameters:

result - The result.

exceptionOccurredIfUndone

public void exceptionOccurredIfUndone(java.lang.Exception exception)

Called when an exception occurred.

Specified by:

exceptionOccurredIfUndone in interface IUndoneResultListener<E>

Parameters:

exception - The exception.

isUndone

public boolean isUndone()

Get the undone.

Returns:

The undone.