de.alpharogroup.design.pattern.observer.exception

Class ExceptionObservers

java.lang.Object

de.alpharogroup.design.pattern.observer.exception.ExceptionObservers

public class ExceptionObservers
extends Object

The Class ExceptionObservers.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<ExceptionListener>	exceptionListeners The exception listeners.

Method Summary

Modifier and Type	Method and Description
void	addExceptionListener(ExceptionListener listener) Adds the exception listener.
static ExceptionObservers	getInstance() Gets the single instance of ExceptionObservers.
void	removeExceptionListener(ExceptionListener listener) Removes the exception listener.

Methods inherited from class java.lang.Object

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

Field Detail

exceptionListeners

protected List<ExceptionListener> exceptionListeners

The exception listeners.

Method Detail

getInstance

public static ExceptionObservers getInstance()

Gets the single instance of ExceptionObservers.

Returns:

single instance of ExceptionObservers

addExceptionListener

public void addExceptionListener(ExceptionListener listener)

Adds the exception listener. This method allows classes to register for ExceptionEvents.

Parameters:

listener - the listener

removeExceptionListener

public void removeExceptionListener(ExceptionListener listener)

Removes the exception listener. This method allows classes to unregister for ExceptionEvents.

Parameters:

listener - the listener