oracle.toplink.mappings
Class AttributeAccessor

java.lang.Object
  oracle.toplink.mappings.AttributeAccessor

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public abstract class AttributeAccessor
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable

Purpose: This provides an abstract class for setting and retrieving the attribute value for the mapping from an object. It can be used in advanced situations if the attribute requires advanced conversion of the mapping value, or a real attribute does not exist.

Since:

OracleAS TopLink 10g (10.0.3)

See Also:

Serialized Form

Constructor Summary

AttributeAccessor()

Method Summary

java.lang.Class	getAttributeClass() Return the class type of the attribute.
abstract java.lang.Object	getAttributeValueFromObject(java.lang.Object object) Return the attribute value from the object.
void	initializeAttributes(java.lang.Class descriptorClass) Allow any initialization to be performed with the descriptor class.
abstract void	setAttributeValueInObject(java.lang.Object object, java.lang.Object value) Set the attribute value into the object.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeAccessor

public AttributeAccessor()

Method Detail

getAttributeClass

public java.lang.Class getAttributeClass()

Return the class type of the attribute.

initializeAttributes

public void initializeAttributes(java.lang.Class descriptorClass)
                          throws DescriptorException

Allow any initialization to be performed with the descriptor class.

Throws:

DescriptorException

getAttributeValueFromObject

public abstract java.lang.Object getAttributeValueFromObject(java.lang.Object object)
                                                      throws DescriptorException

Return the attribute value from the object.

Throws:

DescriptorException

setAttributeValueInObject

public abstract void setAttributeValueInObject(java.lang.Object object,
                                               java.lang.Object value)
                                        throws DescriptorException

Set the attribute value into the object.

Throws:

DescriptorException