dsto.dfc.collections
Class UnmodifiablePropertySet

java.lang.Object
  dsto.dfc.collections.UnmodifiablePropertySet

All Implemented Interfaces:

PropertySet, Serializable, Cloneable

public class UnmodifiablePropertySet
extends Object
implements PropertySet, Serializable, Cloneable

An unmodifiable wrapper around a PropertySet instance.

Version:

$Revision$

See Also:

Serialized Form

Field Summary

Fields inherited from interface dsto.dfc.collections.PropertySet

EMPTY_PROPERTY_SET

Constructor Summary

UnmodifiablePropertySet(PropertySet propertySet)

Method Summary

void	addPropertyChangeListener(PropertyChangeListener l)
void	addPropertyValue(String propertyName, Object value) Add a values to the end of the list of property values.
void	addPropertyValues(String propertyName, List values) Add a set of values to a property.
Object	clone()
Set	getPropertyNames() The names of defined properties.
Object	getPropertyValue(String propertyName) Get the value of a property.
List	getPropertyValues(String propertyName) The values of a property.
boolean	hasProperty(String propertyName) True if a property has any defined values.
boolean	isModifiable() True if property set may be changed.
void	removeAll() Undefine all properties in the set
void	removeProperty(String propertyName) Remove all values of a property (ie undefine it).
void	removePropertyChangeListener(PropertyChangeListener l)
boolean	removePropertyValue(String propertyName, Object value) Remove the first occurrence of a value from a list of property values.
void	setPropertyValue(String propertyName, Object value)
void	setPropertyValues(String propertyName, List values) Set the values of a property.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnmodifiablePropertySet

public UnmodifiablePropertySet(PropertySet propertySet)

Method Detail

getPropertyNames

public Set getPropertyNames()

Description copied from interface: PropertySet

The names of defined properties.

Specified by:

getPropertyNames in interface PropertySet

Returns:

An immutable set of strings.

getPropertyValues

public List getPropertyValues(String propertyName)

Description copied from interface: PropertySet

The values of a property.

Specified by:

getPropertyValues in interface PropertySet

Parameters:

propertyName - The name of the property.

Returns:

The values for propertyName, or null if no values are defined.

getPropertyValue

public Object getPropertyValue(String propertyName)

Description copied from interface: PropertySet

Get the value of a property. If more than one value exists, the last added value is returned.

Specified by:

getPropertyValue in interface PropertySet

setPropertyValues

public void setPropertyValues(String propertyName,
                              List values)
                       throws UnsupportedOperationException

Description copied from interface: PropertySet

Set the values of a property.

Specified by:

setPropertyValues in interface PropertySet

Throws:

UnsupportedOperationException - if property values cannot be changed.

setPropertyValue

public void setPropertyValue(String propertyName,
                             Object value)
                      throws UnsupportedOperationException

Specified by:

setPropertyValue in interface PropertySet

Throws:

UnsupportedOperationException

removeProperty

public void removeProperty(String propertyName)
                    throws UnsupportedOperationException

Description copied from interface: PropertySet

Remove all values of a property (ie undefine it).

Specified by:

removeProperty in interface PropertySet

Throws:

UnsupportedOperationException - if property values cannot be changed.

removePropertyValue

public boolean removePropertyValue(String propertyName,
                                   Object value)
                            throws UnsupportedOperationException

Description copied from interface: PropertySet

Remove the first occurrence of a value from a list of property values.

Specified by:

removePropertyValue in interface PropertySet

Returns:

True if the property set was changed (ie a value was removed).

Throws:

UnsupportedOperationException - if property values cannot be changed.

hasProperty

public boolean hasProperty(String propertyName)

Description copied from interface: PropertySet

True if a property has any defined values.

Specified by:

hasProperty in interface PropertySet

removeAll

public void removeAll()
               throws UnsupportedOperationException

Description copied from interface: PropertySet

Undefine all properties in the set

Specified by:

removeAll in interface PropertySet

Throws:

UnsupportedOperationException - if property values cannot be changed.

addPropertyValue

public void addPropertyValue(String propertyName,
                             Object value)
                      throws UnsupportedOperationException

Description copied from interface: PropertySet

Add a values to the end of the list of property values.

Specified by:

addPropertyValue in interface PropertySet

Throws:

UnsupportedOperationException - if property values cannot be changed.

addPropertyValues

public void addPropertyValues(String propertyName,
                              List values)
                       throws UnsupportedOperationException

Description copied from interface: PropertySet

Add a set of values to a property.

Specified by:

addPropertyValues in interface PropertySet

Throws:

UnsupportedOperationException - if property values cannot be changed.

isModifiable

public boolean isModifiable()

Description copied from interface: PropertySet

True if property set may be changed.

Specified by:

isModifiable in interface PropertySet

clone

public Object clone()
             throws CloneNotSupportedException

Specified by:

clone in interface PropertySet

Overrides:

clone in class Object

Throws:

CloneNotSupportedException

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)

Specified by:

addPropertyChangeListener in interface PropertySet

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)

Specified by:

removePropertyChangeListener in interface PropertySet