Package VASSAL.property

Class SinglePropertyContainer<V>

java.lang.Object

VASSAL.property.SinglePropertyContainer<V>

Type Parameters:

V - the class of the value of the contained Property

All Implemented Interfaces:

PropertyContainer

public class SinglePropertyContainer<V>
extends Object
implements PropertyContainer

A PropertyContainer which holds one Property. This class is intended for testing purposes only. It will not generally be useful to have a dedicated container which holds only one Property.

Since:

3.2.0

Author:

Joel Uckelman

Field Summary

Fields

Modifier and Type	Field	Description
protected CopyOnWriteArrayList<PropertyListener<Object>>	listeners
protected CopyOnWriteArrayList<PropertyListener<? super V>>	plisteners
protected Property<V>	prop
protected V	value

Constructor Summary

Constructors

Constructor	Description
SinglePropertyContainer(Property<V> prop, V value)	Creates a container for a single Property.

Method Summary

Modifier and Type	Method	Description
<T> void	addPropertyListener(Property<T> prop, PropertyListener<? super T> l)	Adds a listener for a specific Property.
void	addPropertyListener(PropertyListener<Object> l)	Adds a listener for all changes to this container.
Set<Property<?>>	getProperties()	Returns the Propertys known to this container.
List<PropertyListener<Object>>	getPropertyListeners()	Returns a list of PropertyListeners listening to all changes to this container.
<T> List<PropertyListener<? super T>>	getPropertyListeners(Property<T> prop)	Returns a list of PropertyListeners listening to a given Property.
<T> T	getValue(Property<T> prop)	Gets the value of a Property.
boolean	hasListeners()	Checks whether there are PropertyListeners for all changes to this container.
<T> boolean	hasListeners(Property<T> prop)	Checks whether there are PropertyListeners for a given Property.
<T> void	removePropertyListener(Property<T> prop, PropertyListener<? super T> l)	Removes a listener for a specific Property.
void	removePropertyListener(PropertyListener<Object> l)	Removes a listener for all changes to this container.
<T> void	setValue(Property<T> prop, T value)	Sets the value of a Property.

Methods inherited from class java.lang.Object

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

Field Details

prop

protected final Property<V> prop

value

protected V value

listeners

protected final CopyOnWriteArrayList<PropertyListener<Object>> listeners

plisteners

protected final CopyOnWriteArrayList<PropertyListener<? super V>> plisteners

Constructor Details

SinglePropertyContainer

public SinglePropertyContainer(Property<V> prop,
 V value)

Creates a container for a single Property.

Parameters:

prop - the property

value - the initial value of the property

Throws:

IllegalArgumentException - if prop or value is null

Method Details

getProperties

public Set<Property<?>> getProperties()

Returns the Propertys known to this container.

Specified by:

getProperties in interface PropertyContainer

Returns:

a set of known Propertys

setValue

public <T> void setValue(Property<T> prop,
 T value)

Sets the value of a Property.

Specified by:

setValue in interface PropertyContainer

Parameters:

prop - the Property

value - the value

getValue

public <T> T getValue(Property<T> prop)

Gets the value of a Property.

Specified by:

getValue in interface PropertyContainer

Parameters:

prop - the Property

Returns:

the value

addPropertyListener

public void addPropertyListener(PropertyListener<Object> l)

Adds a listener for all changes to this container.

Specified by:

addPropertyListener in interface PropertyContainer

Parameters:

l - the listener to add

addPropertyListener

public <T> void addPropertyListener(Property<T> prop,
 PropertyListener<? super T> l)

Adds a listener for a specific Property.

Specified by:

addPropertyListener in interface PropertyContainer

Parameters:

prop - the Property to listen on

l - the listener to add

removePropertyListener

public void removePropertyListener(PropertyListener<Object> l)

Removes a listener for all changes to this container.

Specified by:

removePropertyListener in interface PropertyContainer

Parameters:

l - the listener to remove

removePropertyListener

public <T> void removePropertyListener(Property<T> prop,
 PropertyListener<? super T> l)

Removes a listener for a specific Property.

Specified by:

removePropertyListener in interface PropertyContainer

Parameters:

prop - the Property listened on

l - the listener to remove

getPropertyListeners

public List<PropertyListener<Object>> getPropertyListeners()

Returns a list of PropertyListeners listening to all changes to this container.

Specified by:

getPropertyListeners in interface PropertyContainer

Returns:

a list of listeners

getPropertyListeners

public <T> List<PropertyListener<? super T>> getPropertyListeners(Property<T> prop)

Returns a list of PropertyListeners listening to a given Property.

Specified by:

getPropertyListeners in interface PropertyContainer

Parameters:

prop - the Property listened on

Returns:

a list of listeners

hasListeners

public boolean hasListeners()

Checks whether there are PropertyListeners for all changes to this container.

Specified by:

hasListeners in interface PropertyContainer

Returns:

true if there are listeners

hasListeners

public <T> boolean hasListeners(Property<T> prop)

Checks whether there are PropertyListeners for a given Property.

Specified by:

hasListeners in interface PropertyContainer

Returns:

true if there are listeners for the given property