com.sun.javafx.property

Class PropertyReference<T>

java.lang.Object

com.sun.javafx.property.PropertyReference<T>

public final class PropertyReference<T>
extends java.lang.Object

A handle to a specific property defined on some Bean.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<?>	clazz
private java.lang.reflect.Method	getter
private java.lang.String	name
private java.lang.reflect.Method	propertyGetter
private boolean	reflected
private java.lang.reflect.Method	setter
private java.lang.Class<?>	type

Constructor Summary

Constructors

Constructor and Description
PropertyReference(java.lang.Class<?> clazz, java.lang.String name) Creates a new PropertyReference for a property of a bean.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
T	get(java.lang.Object bean) Get the value of the property.
java.lang.Class<?>	getContainingClass() Returns the class of the Bean that contains the property.
java.lang.String	getName() Returns the name of the property.
ReadOnlyProperty<T>	getProperty(java.lang.Object bean) Get the ObservableValue implementation of the property.
java.lang.Class<?>	getType() Returns the type of the property.
int	hashCode()
boolean	hasProperty() Can be used to determine if a property provides an implementation of ObservableValue.
boolean	isReadable() Can be used to determine if a property can be get.
boolean	isWritable() Can be used to determine if a property can be set.
private void	reflect()
void	set(java.lang.Object bean, T value) Set the property to a new value.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

name

private java.lang.String name

getter

private java.lang.reflect.Method getter

setter

private java.lang.reflect.Method setter

propertyGetter

private java.lang.reflect.Method propertyGetter

clazz

private java.lang.Class<?> clazz

type

private java.lang.Class<?> type

reflected

private boolean reflected

Constructor Detail

PropertyReference

public PropertyReference(java.lang.Class<?> clazz,
                         java.lang.String name)

Creates a new PropertyReference for a property of a bean.

Parameters:

clazz - The class of the Bean that contains the property

name - The name of the property

Throws:

java.lang.NullPointerException - if clazz or name are null

java.lang.IllegalArgumentException - if name is an empty String

Method Detail

isWritable

public boolean isWritable()

Can be used to determine if a property can be set.

Returns:

true, if the property can be set, false otherwise

isReadable

public boolean isReadable()

Can be used to determine if a property can be get.

Returns:

true, if the property can be get, false otherwise

hasProperty

public boolean hasProperty()

Can be used to determine if a property provides an implementation of ObservableValue.

Returns:

getName

public java.lang.String getName()

Returns the name of the property.

Returns:

name of the propery

getContainingClass

public java.lang.Class<?> getContainingClass()

Returns the class of the Bean that contains the property.

Returns:

the class of the Bean

getType

public java.lang.Class<?> getType()

Returns the type of the property. This type is only evaluated correctly if a getter or a setter was found.

Returns:

the type of the property

set

public void set(java.lang.Object bean,
                T value)

Set the property to a new value.

Parameters:

bean - The Bean instance for which the property should be set

value - The new value

Throws:

java.lang.IllegalStateException - if the property is not writable

get

public T get(java.lang.Object bean)

Get the value of the property.

Parameters:

bean - The Bean instance for which the property should be read

Returns:

The value of the property

Throws:

java.lang.IllegalStateException - if the property is not readable

getProperty

public ReadOnlyProperty<T> getProperty(java.lang.Object bean)

Get the ObservableValue implementation of the property.

Parameters:

bean - The Bean instance for which the property should be read

Returns:

The ObservableValue of the property

Throws:

java.lang.IllegalStateException - if the property does not provide an implementation

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

reflect

private void reflect()

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object