com.facebook.litho

Class EventHandler<E>

java.lang.Object

com.facebook.litho.EventHandler<E>

All Implemented Interfaces:

Equivalence<EventHandler<E>>, Function<java.lang.Void>

Direct Known Subclasses:

DelegatingEventHandler, ErrorEventHandler, NoOpEventHandler, SectionTreeLoadingEventHandler

public class EventHandler<E>
extends java.lang.Object
implements Function<java.lang.Void>, Equivalence<EventHandler<E>>

Field Summary

Fields

Modifier and Type	Field and Description
EventDispatchInfo	dispatchInfo
int	id
java.lang.Object[]	params

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EventHandler(HasEventDispatcher hasEventDispatcher, int id)
	EventHandler(HasEventDispatcher hasEventDispatcher, int id, java.lang.Object[] params)
	EventHandler(int id, EventDispatchInfo dispatchInfo) The EventDispatchInfo ctors are used to construct EventHandlers from generated code.
	EventHandler(int id, EventDispatchInfo dispatchInfo, java.lang.Object[] params)

Method Summary

Modifier and Type	Method and Description
java.lang.Void	call(java.lang.Object... arguments) Executes the function.
void	dispatchEvent(E event)
boolean	isEquivalentTo(EventHandler other)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

id

public final int id

dispatchInfo

public final EventDispatchInfo dispatchInfo

params

public final java.lang.Object[] params

Constructor Detail

EventHandler

protected EventHandler(HasEventDispatcher hasEventDispatcher,
                       int id)

EventHandler

public EventHandler(HasEventDispatcher hasEventDispatcher,
                    int id,
                    java.lang.Object[] params)

EventHandler

public EventHandler(int id,
                    EventDispatchInfo dispatchInfo)

The EventDispatchInfo ctors are used to construct EventHandlers from generated code. The HasEventDispatcher ones above are mostly from manual construction of EventHandlers, e.g. in tests.

EventHandler

public EventHandler(int id,
                    EventDispatchInfo dispatchInfo,
                    java.lang.Object[] params)

Method Detail

call

public java.lang.Void call(java.lang.Object... arguments)

Description copied from interface: Function

Executes the function.

Specified by:

call in interface Function<java.lang.Void>

dispatchEvent

public void dispatchEvent(E event)

isEquivalentTo

public boolean isEquivalentTo(EventHandler other)

Specified by:

isEquivalentTo in interface Equivalence<EventHandler<E>>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object