com.interface21.beans
Interface PropertyValues

All Known Implementing Classes:

MutablePropertyValues, ServletRequestParameterPropertyValues

public interface PropertyValues

Object containing 0 or more PropertyValues comprising one update.

Since:

13 May 2001

Version:

$Id: PropertyValues.java,v 1.1.1.1 2003/02/11 08:10:11 johnsonr Exp $

Author:

Rod Johnson

Method Summary

PropertyValues	changesSince(PropertyValues old) Return the changes since the previous PropertyValues.
boolean	contains(java.lang.String propertyName) Is there a propertyValue object for this property?
PropertyValue	getPropertyValue(java.lang.String propertyName) Return the property value with the given name
PropertyValue[]	getPropertyValues() Return an array of the PropertyValue objects held in this object.

Method Detail

getPropertyValues

public PropertyValue[] getPropertyValues()

Return an array of the PropertyValue objects held in this object.

Returns:

an array of the PropertyValue objects held in this object.

contains

public boolean contains(java.lang.String propertyName)

Is there a propertyValue object for this property?

Parameters:

propertyName - name of the property we're interested in

Returns:

whether there is a propertyValue object for this property?

getPropertyValue

public PropertyValue getPropertyValue(java.lang.String propertyName)

Return the property value with the given name

Parameters:

propertyName - name to search for

Returns:

pv or null

changesSince

public PropertyValues changesSince(PropertyValues old)

Return the changes since the previous PropertyValues. Subclasses should also override equals.

Parameters:

old - old property values

Returns:

PropertyValues updated or new properties. Return the empty PropertyValues if there are no changes.