org.eclipse.persistence.core.mappings

Class CoreMapping<ATTRIBUTE_ACCESSOR extends CoreAttributeAccessor,ABSTRACT_SESSION extends org.eclipse.persistence.internal.core.sessions.CoreAbstractSession,CONTAINER_POLICY extends org.eclipse.persistence.internal.core.queries.CoreContainerPolicy,DESCRIPTOR extends CoreDescriptor,FIELD extends org.eclipse.persistence.internal.core.helper.CoreField>

java.lang.Object

org.eclipse.persistence.core.mappings.CoreMapping<ATTRIBUTE_ACCESSOR,ABSTRACT_SESSION,CONTAINER_POLICY,DESCRIPTOR,FIELD>

Direct Known Subclasses:

DatabaseMapping

public abstract class CoreMapping<ATTRIBUTE_ACCESSOR extends CoreAttributeAccessor,ABSTRACT_SESSION extends org.eclipse.persistence.internal.core.sessions.CoreAbstractSession,CONTAINER_POLICY extends org.eclipse.persistence.internal.core.queries.CoreContainerPolicy,DESCRIPTOR extends CoreDescriptor,FIELD extends org.eclipse.persistence.internal.core.helper.CoreField>
extends java.lang.Object

INTERNAL A abstraction of mapping capturing behavior common to all persistence types.

Constructor Summary

Constructors

Constructor and Description
CoreMapping()

Method Summary

Modifier and Type	Method and Description
abstract ATTRIBUTE_ACCESSOR	getAttributeAccessor() ADVANCED: Return the attributeAccessor.
abstract java.lang.Class	getAttributeClassification() PUBLIC: The classification type for the attribute this mapping represents
abstract java.lang.String	getAttributeName() PUBLIC: Return the name of the attribute set in the mapping.
abstract java.lang.Object	getAttributeValueFromObject(java.lang.Object object) INTERNAL: Return the value of an attribute which this mapping represents for an object.
abstract CONTAINER_POLICY	getContainerPolicy() INTERNAL: Return the mapping's containerPolicy.
abstract DESCRIPTOR	getDescriptor() INTERNAL: Return the descriptor to which this mapping belongs
abstract FIELD	getField() INTERNAL: Return the field associated with this mapping if there is exactly one.
abstract java.util.Vector<FIELD>	getFields() INTERNAL: Returns a vector of all the fields this mapping represents.
abstract DESCRIPTOR	getReferenceDescriptor() PUBLIC: Return the referenceDescriptor.
abstract boolean	isAbstractCompositeCollectionMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isAbstractCompositeDirectCollectionMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isAbstractCompositeObjectMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isAbstractDirectMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isCollectionMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isDirectToFieldMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isReadOnly() INTERNAL: Returns true if mapping is read only else false.
abstract boolean	isReferenceMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isTransformationMapping() INTERNAL: Related mapping should implement this method to return true.
abstract boolean	isWriteOnly() INTERNAL: Some mappings support no attribute (transformation and multitenant primary key).
abstract void	setAttributeAccessor(ATTRIBUTE_ACCESSOR attributeAccessor) ADVANCED: Set the attributeAccessor.
abstract void	setAttributeName(java.lang.String attributeName) PUBLIC: Sets the name of the attribute in the mapping.
abstract void	setAttributeValueInObject(java.lang.Object object, java.lang.Object value) INTERNAL: Set the value of the attribute mapped by this mapping.
abstract void	setDescriptor(DESCRIPTOR descriptor) INTERNAL: Set the descriptor to which this mapping belongs
abstract java.lang.Object	valueFromObject(java.lang.Object anObject, FIELD field, ABSTRACT_SESSION session) INTERNAL: A subclass should extract the value from the object for the field, if it does not map the field then it should return null.

Methods inherited from class java.lang.Object

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

Constructor Detail

CoreMapping

public CoreMapping()

Method Detail

getAttributeAccessor

public abstract ATTRIBUTE_ACCESSOR getAttributeAccessor()

ADVANCED: Return the attributeAccessor. The attribute accessor is responsible for setting and retrieving the attribute value from the object for this mapping.

getAttributeClassification

public abstract java.lang.Class getAttributeClassification()

PUBLIC: The classification type for the attribute this mapping represents

getAttributeName

public abstract java.lang.String getAttributeName()

PUBLIC: Return the name of the attribute set in the mapping.

getAttributeValueFromObject

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

INTERNAL: Return the value of an attribute which this mapping represents for an object.

getContainerPolicy

public abstract CONTAINER_POLICY getContainerPolicy()

INTERNAL: Return the mapping's containerPolicy.

getDescriptor

public abstract DESCRIPTOR getDescriptor()

INTERNAL: Return the descriptor to which this mapping belongs

getField

public abstract FIELD getField()

INTERNAL: Return the field associated with this mapping if there is exactly one. This is required for object relational mapping to print them, but because they are defined in in an Enterprise context they cannot be cast to. Mappings that have a field include direct mappings and object relational mappings.

getFields

public abstract java.util.Vector<FIELD> getFields()

INTERNAL: Returns a vector of all the fields this mapping represents.

getReferenceDescriptor

public abstract DESCRIPTOR getReferenceDescriptor()

PUBLIC: Return the referenceDescriptor. This is a descriptor which is associated with the reference class.

isAbstractCompositeCollectionMapping

public abstract boolean isAbstractCompositeCollectionMapping()

INTERNAL: Related mapping should implement this method to return true.

isAbstractCompositeDirectCollectionMapping

public abstract boolean isAbstractCompositeDirectCollectionMapping()

INTERNAL: Related mapping should implement this method to return true.

isAbstractCompositeObjectMapping

public abstract boolean isAbstractCompositeObjectMapping()

INTERNAL: Related mapping should implement this method to return true.

isAbstractDirectMapping

public abstract boolean isAbstractDirectMapping()

INTERNAL: Related mapping should implement this method to return true.

isCollectionMapping

public abstract boolean isCollectionMapping()

INTERNAL: Related mapping should implement this method to return true.

isDirectToFieldMapping

public abstract boolean isDirectToFieldMapping()

INTERNAL: Related mapping should implement this method to return true.

isReadOnly

public abstract boolean isReadOnly()

INTERNAL: Returns true if mapping is read only else false.

isReferenceMapping

public abstract boolean isReferenceMapping()

INTERNAL: Related mapping should implement this method to return true.

isTransformationMapping

public abstract boolean isTransformationMapping()

INTERNAL: Related mapping should implement this method to return true.

isWriteOnly

public abstract boolean isWriteOnly()

INTERNAL: Some mappings support no attribute (transformation and multitenant primary key).

setAttributeAccessor

public abstract void setAttributeAccessor(ATTRIBUTE_ACCESSOR attributeAccessor)

ADVANCED: Set the attributeAccessor. The attribute accessor is responsible for setting and retrieving the attribute value from the object for this mapping. This can be set to an implementor of AttributeAccessor if the attribute requires advanced conversion of the mapping value, or a real attribute does not exist.

setAttributeName

public abstract void setAttributeName(java.lang.String attributeName)

PUBLIC: Sets the name of the attribute in the mapping.

setAttributeValueInObject

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

INTERNAL: Set the value of the attribute mapped by this mapping.

setDescriptor

public abstract void setDescriptor(DESCRIPTOR descriptor)

INTERNAL: Set the descriptor to which this mapping belongs

valueFromObject

public abstract java.lang.Object valueFromObject(java.lang.Object anObject,
                                                 FIELD field,
                                                 ABSTRACT_SESSION session)

INTERNAL: A subclass should extract the value from the object for the field, if it does not map the field then it should return null. Return the Value from the object.