com.sas.collection
Class PropertyBagChangedEvent

com.sas.collection.PropertyBagChangedEvent

All Implemented Interfaces:

java.io.Serializable

public class PropertyBagChangedEvent

A property change event which tells how the property in a property bag has changed. (one of HowChanged.REMOVED, HowChanged.ADDED, HowChanged.REPLACED, HowChanged.REORDERED or HowChanged.OTHER.

See Also:

Serialized Form

Field Summary

protected HowChanged

howChanged How the item changed.

Constructor Summary

PropertyBagChangedEvent(java.lang.Object source, java.lang.String propertyName, java.lang.Object oldValue, java.lang.Object newValue, HowChanged howChanged)
Construct a PropertyBagChangedEvent which identifies the source property bag, the name of the changed property, the old and new value, and how the item changed.

Method Summary

HowChanged

howChanged() Return the indication of how the property changed.

Field Detail

howChanged

protected HowChanged howChanged

How the item changed.

Constructor Detail

PropertyBagChangedEvent

public PropertyBagChangedEvent(java.lang.Object source,
                               java.lang.String propertyName,
                               java.lang.Object oldValue,
                               java.lang.Object newValue,
                               HowChanged howChanged)

Construct a PropertyBagChangedEvent which identifies the source property bag, the name of the changed property, the old and new value, and how the item changed.

Parameters:

source - the property bag which has changed.

propertyName - the name of the propetery which was added, removed, or replaced.

oldValue - the original item removed/replaced from the dictionary. If null, the newValue was added.

newItem - the new item added to the dictionary. If null, the oldValue was removed.

howChanged - indicates if the item was added or removed or replaced.

Method Detail

howChanged

public HowChanged howChanged()

Return the indication of how the property changed.

Returns:

a HowChanged object describing how the property changed.