Module eclipselink

Package org.eclipse.persistence.sdo.helper.metadata

Class QNameTransformer

java.lang.Object

org.eclipse.persistence.sdo.helper.metadata.QNameTransformer

All Implemented Interfaces:

Serializable, CoreFieldTransformer<Session>, AttributeTransformer, FieldTransformer

public class QNameTransformer
extends Object
implements AttributeTransformer, FieldTransformer

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	QNAME_NAMESPACE_PREFIX

Fields inherited from interface org.eclipse.persistence.core.mappings.transformers.CoreFieldTransformer

BUILD_FIELD_VALUE_METHOD

Constructor Summary

Constructors

Constructor	Description
QNameTransformer(String xPath)

Method Summary

Modifier and Type	Method	Description
Object	buildAttributeValue(DataRecord dataRecord, Object object, Session session)
Object	buildFieldValue(Object instance, String fieldName, Session session)
void	initialize(AbstractTransformationMapping mapping)	Initialize this transformer.

Methods inherited from class java.lang.Object

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

Field Detail

QNAME_NAMESPACE_PREFIX

public static final String QNAME_NAMESPACE_PREFIX

See Also:

Constant Field Values

Constructor Detail

QNameTransformer

public QNameTransformer(String xPath)

Method Detail

initialize

public void initialize(AbstractTransformationMapping mapping)

Description copied from interface: FieldTransformer

Initialize this transformer. Only required if the user needs some special information from the mapping in order to do the transformation

Specified by:

initialize in interface AttributeTransformer

Specified by:

initialize in interface FieldTransformer

Parameters:

mapping - - The mapping associated with this transformer. Only used if some special information is required.

buildAttributeValue

public Object buildAttributeValue(DataRecord dataRecord,
                                  Object object,
                                  Session session)

Specified by:

buildAttributeValue in interface AttributeTransformer

Parameters:

dataRecord - - The metadata being used to build the object.

object - - The current object that the attribute is being built for.

session - - the current session

Returns:

- The attribute value to be built into the object containing this mapping.

buildFieldValue

public Object buildFieldValue(Object instance,
                              String fieldName,
                              Session session)

Specified by:

buildFieldValue in interface CoreFieldTransformer<Session>

Specified by:

buildFieldValue in interface FieldTransformer

Parameters:

instance - - an instance of the domain class which contains the attribute

fieldName - - the name of the field being transformed. Used if the user wants to use this transformer for multiple fields.

session - - the current session

Returns:

- The value to be written for the field associated with this transformer