org.squirrelframework.foundation.component

Interface Observable

All Known Subinterfaces:

ActionExecutionService<T,S,E,C>, StateMachine<T,S,E,C>, UntypedStateMachine

All Known Implementing Classes:

AbstractExecutionService, AbstractStateMachine, AbstractSubject, AbstractUntypedStateMachine, ActionExecutionServiceImpl

public interface Observable

This interface represents an observable object, or "data" in the subject-observer paradigm. It can be implemented to represent an object that the observer wants to have listened.

Author:

Henry.He

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(Class<?> eventType, Object listener, Method method) Add listener to observable subject.
void	addListener(Class<?> eventType, Object listener, String methodName) Add listener to observable subject.
void	fireEvent(SquirrelEvent event) Fire event to notify all observers
int	getListenerSize()
boolean	isNotifiable()
void	removeAllListeners() Remove all listeners
void	removeListener(Class<?> eventType, Object listener) Add listener to observable subject.
void	removeListener(Class<?> eventType, Object listener, Method method) Remove listener from observable subject.
void	removeListener(Class<?> eventType, Object listener, String methodName) Remove listener to observable subject.
void	removeListener(com.google.common.base.Predicate<ListenerMethod> predicate)
void	setNotifiable(boolean notifiable) Set notifiable of subject

Method Detail

isNotifiable

boolean isNotifiable()

Returns:

whether the subject is notifiable

setNotifiable

void setNotifiable(boolean notifiable)

Set notifiable of subject

Parameters:

notifiable -

addListener

void addListener(Class<?> eventType,
               Object listener,
               Method method)

Add listener to observable subject.

Parameters:

eventType - type of event

listener - listener object

method - listener method

addListener

void addListener(Class<?> eventType,
               Object listener,
               String methodName)

Add listener to observable subject.

Parameters:

eventType - type of event

listener - listener object

methodName - name of listener method

removeListener

void removeListener(com.google.common.base.Predicate<ListenerMethod> predicate)

removeListener

void removeListener(Class<?> eventType,
                  Object listener,
                  Method method)

Remove listener from observable subject.

Parameters:

eventType - type of event

listener - listener object

method - listener method

removeListener

void removeListener(Class<?> eventType,
                  Object listener,
                  String methodName)

Remove listener to observable subject.

Parameters:

eventType - type of event

listener - listener object

methodName - name of listener method

removeListener

void removeListener(Class<?> eventType,
                  Object listener)

Add listener to observable subject.

Parameters:

eventType - type of event

listener - listener object

removeAllListeners

void removeAllListeners()

Remove all listeners

fireEvent

void fireEvent(SquirrelEvent event)

Fire event to notify all observers

Parameters:

event - based event

getListenerSize

int getListenerSize()