Class EventObject

java.lang.Object

java.util.EventObject

All Implemented Interfaces:: Serializable

public class EventObject extends Object implements Serializable

The root class from which all event state objects shall be derived.

All Events are constructed with a reference to the object, the "source", that is logically deemed to be the object upon which the Event in question initially occurred upon.

Since:

1.1

See Also:

Field Summary

Modifier and Type	Field	Description
`protected Object`	`source`	The object on which the Event initially occurred.

Constructor Summary

Constructor	Description
`EventObject(Object source)`	Constructs a prototypical Event.

Method Summary

Modifier and Type	Method	Description
`Object`	`getSource()`	The object on which the Event initially occurred.
`String`	`toString()`	Returns a String representation of this EventObject.

Methods declared in class Object

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

Modifier and Type	Method	Description
`protected Object`	`clone()`	Creates and returns a copy of this object.
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

source

protected transient Object source

The object on which the Event initially occurred.

Constructor Details

EventObject

public EventObject(Object source)

Constructs a prototypical Event.

Parameters:: source - the object on which the Event initially occurred
Throws:: IllegalArgumentException - if source is null

Method Details

getSource

public Object getSource()

The object on which the Event initially occurred.

Returns:: the object on which the Event initially occurred

toString

public String toString()

Returns a String representation of this EventObject.

Overrides:: toString in class Object
Returns:: a String representation of this EventObject

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