org.eclipse.persistence.internal.descriptors

Class InstanceVariableAttributeAccessor

java.lang.Object

org.eclipse.persistence.mappings.AttributeAccessor

org.eclipse.persistence.internal.descriptors.InstanceVariableAttributeAccessor

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, CoreAttributeAccessor

Direct Known Subclasses:

PersistenceObjectAttributeAccessor

public class InstanceVariableAttributeAccessor
extends AttributeAccessor

Purpose: A wrapper class for handling cases when the domain object has instance variable to map to the database field.

Since:

TOPLink/Java 1.0

Author:

Sati

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
InstanceVariableAttributeAccessor()

Method Summary

Modifier and Type	Method and Description
java.lang.Class	getAttributeClass() Returns the class type of the attribute.
java.lang.reflect.Field	getAttributeField() Returns the value of attributeField.
java.lang.Class	getAttributeType() Returns the declared type of attributeField.
java.lang.Object	getAttributeValueFromObject(java.lang.Object anObject) Returns the value of the attribute on the specified object.
void	initializeAttributes(java.lang.Class theJavaClass) instanceVariableName is converted to Field type.
boolean	isInitialized() Returns true if this attribute accessor has been initialized and now stores a reference to the class's attribute.
boolean	isInstanceVariableAttributeAccessor()
void	setAttributeValueInObject(java.lang.Object anObject, java.lang.Object value) Sets the value of the instance variable in the object to the value.

Methods inherited from class org.eclipse.persistence.mappings.AttributeAccessor

clone, getAttributeName, isMapValueAttributeAccessor, isMethodAttributeAccessor, isReadOnly, isValuesAccessor, isVirtualAttributeAccessor, isWriteOnly, setAttributeName, setIsReadOnly, setIsWriteOnly

Methods inherited from class java.lang.Object

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

Constructor Detail

InstanceVariableAttributeAccessor

public InstanceVariableAttributeAccessor()

Method Detail

getAttributeClass

public java.lang.Class getAttributeClass()

Returns the class type of the attribute.

Specified by:

getAttributeClass in interface CoreAttributeAccessor

Overrides:

getAttributeClass in class AttributeAccessor

getAttributeField

public java.lang.reflect.Field getAttributeField()

Returns the value of attributeField. 266912: For Metamodel API - change visibility from protected

getAttributeType

public java.lang.Class getAttributeType()

Returns the declared type of attributeField.

getAttributeValueFromObject

public java.lang.Object getAttributeValueFromObject(java.lang.Object anObject)
                                             throws DescriptorException

Returns the value of the attribute on the specified object.

Specified by:

getAttributeValueFromObject in interface CoreAttributeAccessor

Specified by:

getAttributeValueFromObject in class AttributeAccessor

Throws:

DescriptorException

initializeAttributes

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

instanceVariableName is converted to Field type.

Specified by:

initializeAttributes in interface CoreAttributeAccessor

Overrides:

initializeAttributes in class AttributeAccessor

Throws:

DescriptorException

isInitialized

public boolean isInitialized()

Returns true if this attribute accessor has been initialized and now stores a reference to the class's attribute. An attribute accessor can become uninitialized on serialization.

Overrides:

isInitialized in class AttributeAccessor

isInstanceVariableAttributeAccessor

public boolean isInstanceVariableAttributeAccessor()

Specified by:

isInstanceVariableAttributeAccessor in interface CoreAttributeAccessor

Overrides:

isInstanceVariableAttributeAccessor in class AttributeAccessor

setAttributeValueInObject

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

Sets the value of the instance variable in the object to the value.

Specified by:

setAttributeValueInObject in interface CoreAttributeAccessor

Specified by:

setAttributeValueInObject in class AttributeAccessor

Throws:

DescriptorException