javafx.event

Class EventType<T extends Event>

java.lang.Object

javafx.event.EventType<T>

Type Parameters:

T - the event class to which this type applies

public class EventType<T extends Event>
extends java.lang.Object

This class represents a specific event type associated with an Event.

Event types form a hierarchy with the EventType.ROOT (equals to Event.ANY) as its root. This is useful in event filter / handler registration where a single event filter / handler can be registered to a super event type and will be receiving its sub type events as well.

Field Summary

Fields

Modifier and Type	Field and Description
static EventType<Event>	ROOT The root event type.

Constructor Summary

Constructors

Constructor and Description
EventType() Constructs a new EventType with the EventType.ROOT as its super type and the name set to null.
EventType(EventType<? super T> superType) Constructs a new EventType with the specified super type and the name set to null.
EventType(EventType<? super T> superType, java.lang.String name) Constructs a new EventType with the specified super type and name.
EventType(java.lang.String name) Constructs a new EventType with the specified name and the EventType.ROOT as its super type.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getName() Gets the name of this event type.
EventType<? super T>	getSuperType() Gets the super type of this event type.
java.lang.String	toString() Returns a string representation of this EventType object.

Methods inherited from class java.lang.Object

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

Field Detail

ROOT

public static final EventType<Event> ROOT

The root event type. All other event types are eighter direct or indirect sub types of it. It is also the only event type which has its super event type set to null.

Constructor Detail

EventType

public EventType()

Constructs a new EventType with the EventType.ROOT as its super type and the name set to null.

EventType

public EventType(java.lang.String name)

Constructs a new EventType with the specified name and the EventType.ROOT as its super type.

Parameters:

name - the name

EventType

public EventType(EventType<? super T> superType)

Constructs a new EventType with the specified super type and the name set to null.

Parameters:

superType - the event super type

EventType

public EventType(EventType<? super T> superType,
         java.lang.String name)

Constructs a new EventType with the specified super type and name.

Parameters:

superType - the event super type

name - the name

Method Detail

getSuperType

public final EventType<? super T> getSuperType()

Gets the super type of this event type. The returned value is null only for the EventType.ROOT.

Returns:

the super type

getName

public final java.lang.String getName()

Gets the name of this event type.

Returns:

the name

toString

public java.lang.String toString()

Returns a string representation of this EventType object.

Overrides:

toString in class java.lang.Object

Returns:

a string representation of this EventType object.