Package dev.prozilla.pine.common.property

Class MutableProperty<T>

java.lang.Object

dev.prozilla.pine.common.property.VariableProperty<T>

dev.prozilla.pine.common.property.MutableProperty<T>

Direct Known Subclasses:

ObservableProperty

public class MutableProperty<T>
extends VariableProperty<T>

A property whose value can be changed using a setter.

Field Summary

Fields inherited from class dev.prozilla.pine.common.property.VariableProperty

random

Constructor Summary

Constructors

Constructor	Description
MutableProperty()	Creates a mutable property without an initial value.
MutableProperty(T initialValue)	Creates a mutable property with an initial value.

Method Summary

Modifier and Type	Method	Description
boolean	exists()
T	getValue()
protected void	onValueChange(T oldValue, T newValue)	This method is called whenever the value of this property changes.
boolean	setValue(T value)	Sets the value of this property.

Methods inherited from class java.lang.Object

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

Constructor Details

MutableProperty

public MutableProperty()

Creates a mutable property without an initial value.

MutableProperty

public MutableProperty(T initialValue)

Creates a mutable property with an initial value.

Parameters:

initialValue - The initial value

Method Details

setValue

public boolean setValue(T value)

Sets the value of this property.

Parameters:

value - The new value

Returns:

true if the value was changed.

onValueChange

protected void onValueChange(T oldValue,
 T newValue)

This method is called whenever the value of this property changes.

The default implementation does nothing.

Parameters:

oldValue - The previous value

newValue - The new value

getValue

public T getValue()

Specified by:

getValue in class VariableProperty<T>

Returns:

The value of this property.

exists

public boolean exists()

Returns:

true if the value is not null.