org.apache.cayenne.property
Interface PropertyAccessor

All Superinterfaces:

java.io.Serializable

All Known Subinterfaces:

ArcProperty, CollectionProperty, Property, SingleObjectArcProperty

All Known Implementing Classes:

AbstractCollectionProperty, AbstractSingleObjectArcProperty, BeanAccessor, DataObjectAccessor, FieldAccessor, IndexedListProperty, ListProperty, PersistentObjectProperty, SimpleProperty, ToManyListProperty, ValueHolderProperty

public interface PropertyAccessor
extends java.io.Serializable

An accessor of a property value. Abstracts the actual property implementation. E.g. it can be a Field, a pair of get/set methods or a DataObject.

Since:

1.2

Author:

Andrus Adamchik

Method Summary

java.lang.String	getName() Returns property name.
java.lang.Object	readPropertyDirectly(java.lang.Object object) Returns a property value of an object without disturbing the object fault status.
void	writePropertyDirectly(java.lang.Object object, java.lang.Object oldValue, java.lang.Object newValue) Sets a property value of an object without disturbing the object fault status.

Method Detail

getName

java.lang.String getName()

Returns property name.

readPropertyDirectly

java.lang.Object readPropertyDirectly(java.lang.Object object)
                                      throws PropertyAccessException

Returns a property value of an object without disturbing the object fault status.

Throws:

PropertyAccessException

writePropertyDirectly

void writePropertyDirectly(java.lang.Object object,
                           java.lang.Object oldValue,
                           java.lang.Object newValue)
                           throws PropertyAccessException

Sets a property value of an object without disturbing the object fault status. Old value of the property is specified as a hint.

Throws:

PropertyAccessException