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Added in API level 3

Summary: Inherited Fields | Ctors | Methods | Inherited Methods | [Expand All]

PropertyChangeEvent

public class PropertyChangeEvent
extends EventObject

java.lang.Object
↳	java.util.EventObject
	↳	java.beans.PropertyChangeEvent

Known Direct Subclasses

IndexedPropertyChangeEvent

A "PropertyChange" event gets delivered whenever a bean changes a "bound" or "constrained" property. A PropertyChangeEvent object is sent as an argument to the PropertyChangeListener and VetoableChangeListener methods.

Normally PropertyChangeEvents are accompanied by the name and the old and new value of the changed property. If the new value is a primitive type (such as int or boolean) it must be wrapped as the corresponding java.lang.* Object type (such as Integer or Boolean).

Null values may be provided for the old and the new values if their true values are not known.

An event source may send a null object as the name to indicate that an arbitrary set of if its properties have changed. In this case the old and new values should also be null.

Summary

Inherited fields

From class


    java.util.EventObject

Public constructors
`PropertyChangeEvent(Object source, String propertyName, Object oldValue, Object newValue)` Constructs a new `PropertyChangeEvent`.

Public methods
`Object`	`getNewValue()` Gets the new value for the property, expressed as an Object.
`Object`	`getOldValue()` Gets the old value for the property, expressed as an Object.
`Object`	`getPropagationId()` The "propagationId" field is reserved for future use.
`String`	`getPropertyName()` Gets the programmatic name of the property that was changed.
`void`	`setPropagationId(Object propagationId)` Sets the propagationId object for the event.
`String`	`toString()` Returns a string representation of the object.

Inherited methods

From class


  
    java.util.EventObject

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the 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.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors