com.virtuosotechnologies.lib.container
Class WrappingPropertySet

java.lang.Object
  com.virtuosotechnologies.lib.container.WrappingPropertySet

All Implemented Interfaces:

PropertySet

public class WrappingPropertySet

extends Object

implements PropertySet

A PropertySet that wraps another PropertySet. This PropertySet is not modifiable, but its value may change if the wrapped PropertySet changes. This implementation is fully synchronized and thread-safe.

Constructor Summary

WrappingPropertySet(PropertySet parent)
Constructor

Method Summary

void	addPropertySetListener(PropertySetListener listener) Add a PropertySetListener.
Object	getDefaultValue(ConstrainedKey key) Get the default value for a property, or null if there is no default.
Object	getValue(ConstrainedKey key) Get a property.
void	removePropertySetListener(PropertySetListener listener) Remove a PropertySetListener.

Methods inherited from class java.lang.Object

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

Constructor Detail

WrappingPropertySet

public WrappingPropertySet(PropertySet parent)

Constructor

Parameters:

parent - PropertySet to wrap

Method Detail

getValue

public Object getValue(ConstrainedKey key)

Get a property.

Specified by:

getValue in interface PropertySet

Parameters:

key - key object for the property

Returns:

value for the property

getDefaultValue

public Object getDefaultValue(ConstrainedKey key)

Get the default value for a property, or null if there is no default.

Specified by:

getDefaultValue in interface PropertySet

Parameters:

key - key object for the property

Returns:

default value for the property

addPropertySetListener

public final void addPropertySetListener(PropertySetListener listener)

Add a PropertySetListener. Listeners should be added via weak references.

Specified by:

addPropertySetListener in interface PropertySet

Parameters:

listener - new listener

removePropertySetListener

public final void removePropertySetListener(PropertySetListener listener)

Remove a PropertySetListener. Does nothing if the listener is not already present.

Specified by:

removePropertySetListener in interface PropertySet

Parameters:

listener - listener to remove