org.jminor.common

Interface EventObserver<T>

Type Parameters:

T - the type of info propagated with this observers event

All Known Subinterfaces:

Event<T>, PropertyValue<T>, State, State.AggregateState, StateObserver, StringValue<V>, Value<V>, ValueObserver<V>

All Known Implementing Classes:

Values.AbstractObservableValue, Values.AbstractValue

public interface EventObserver<T>

Specifies an Event observer, managing listeners for an Event.

Method Summary

Modifier and Type	Method and Description
void	addDataListener(EventDataListener<T> listener) Adds listener to this EventObserver, adding the same listener a second time has no effect.
void	addListener(EventListener listener) Adds listener to this EventObserver, adding the same listener a second time has no effect.
void	removeDataListener(EventDataListener listener) Removes listener from this EventObserver
void	removeListener(EventListener listener) Removes listener from this EventObserver

Method Detail

addListener

void addListener(EventListener listener)

Adds listener to this EventObserver, adding the same listener a second time has no effect.

Parameters:

listener - the listener to add

Throws:

java.lang.NullPointerException - in case listener is null

removeListener

void removeListener(EventListener listener)

Removes listener from this EventObserver

Parameters:

listener - the listener to remove

addDataListener

void addDataListener(EventDataListener<T> listener)

Adds listener to this EventObserver, adding the same listener a second time has no effect.

Parameters:

listener - the listener to add

Throws:

java.lang.NullPointerException - in case listener is null

removeDataListener

void removeDataListener(EventDataListener listener)

Removes listener from this EventObserver

Parameters:

listener - the listener to remove