Module org.eclipse.persistence.core

Package org.eclipse.persistence.oxm.mappings

Class XMLFragmentMapping

java.lang.Object

org.eclipse.persistence.core.mappings.CoreMapping<AttributeAccessor,AbstractSession,ContainerPolicy,ClassDescriptor,DatabaseField>

org.eclipse.persistence.mappings.DatabaseMapping

org.eclipse.persistence.mappings.foundation.AbstractColumnMapping

org.eclipse.persistence.mappings.foundation.AbstractDirectMapping

org.eclipse.persistence.oxm.mappings.XMLDirectMapping

org.eclipse.persistence.oxm.mappings.XMLFragmentMapping

All Implemented Interfaces:

Serializable, Cloneable, DirectMapping<AbstractSession,AttributeAccessor,ContainerPolicy,Converter,ClassDescriptor,DatabaseField,XMLMarshaller,Session,XMLUnmarshaller,XMLRecord>, FragmentMapping<AbstractSession,AttributeAccessor,ContainerPolicy,ClassDescriptor,DatabaseField,Session,XMLRecord>, Mapping<AbstractSession,AttributeAccessor,ContainerPolicy,ClassDescriptor,DatabaseField,XMLRecord>, XMLConverterMapping<XMLMarshaller,Session,XMLUnmarshaller>, MapComponentMapping, MapKeyMapping, XMLMapping, XMLNillableMapping

public class XMLFragmentMapping
extends XMLDirectMapping
implements FragmentMapping<AbstractSession,AttributeAccessor,ContainerPolicy,ClassDescriptor,DatabaseField,Session,XMLRecord>

Purpose: This mapping provides a means to keep a part of the xml tree as a DOM element.

Setting the XPath: TopLink XML mappings make use of XPath statements to find the relevant data in an XML document. The XPath statement is relative to the context node specified in the descriptor. The XPath may contain path and positional information; the last node in the XPath forms the local root node for the fragment. The XPath is specified on the mapping using the setXPath method.

XPath statements

XPath	Description
phone-number	The phone-number information is stored in the phone-number element.
contact-info/phone-number	The XPath statement may be used to specify any valid path.

Sample Configuration:

 XMLFragmentCollectionMapping mapping = new XMLFragmentCollectionMapping();
 mapping.setAttributeName("phoneNumber");
 mapping.setXPath("contact-info/phone-number");
 
 

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.persistence.mappings.DatabaseMapping

DatabaseMapping.WriteType

Field Summary

Fields inherited from class org.eclipse.persistence.oxm.mappings.XMLDirectMapping

isCDATA

Fields inherited from class org.eclipse.persistence.mappings.foundation.AbstractDirectMapping

attributeClassification, attributeClassificationName, attributeObjectClassification, bypassDefaultNullValueCheck, fieldClassificationClassName, isMutable, keyTableForMapKey, nullValue

Fields inherited from class org.eclipse.persistence.mappings.foundation.AbstractColumnMapping

converter, converterClassName, field, isInsertable, isUpdatable

Fields inherited from class org.eclipse.persistence.mappings.DatabaseMapping

attributeAccessor, attributeName, derivedIdMapping, derivesId, descriptor, fields, isCacheable, isInSopObject, isJPAId, isLazy, isMapKeyMapping, isOptional, isPrimaryKeyMapping, isReadOnly, isRemotelyInitialized, mapsIdValue, NO_FIELDS, NO_WEIGHT, properties, unconvertedProperties, weight, WEIGHT_AGGREGATE, WEIGHT_DIRECT, WEIGHT_TO_ONE, WEIGHT_TRANSFORM

Constructor Summary

Constructors

Constructor	Description
XMLFragmentMapping()

Method Summary

Modifier and Type	Method	Description
boolean	isAbstractColumnMapping()	INTERNAL:
boolean	isAbstractDirectMapping()	INTERNAL:
void	setXPath(String xpathString)	Set the Mapping field name attribute to the given XPath String
Object	valueFromRow(AbstractRecord row, JoinedAttributeManager joinManager, ObjectBuildingQuery query, CacheKey cacheKey, AbstractSession executionSession, boolean isTargetProtected, Boolean[] wasCacheUsed)	INTERNAL: Return the mapping's attribute value from the row.
void	writeFromObjectIntoRow(Object object, AbstractRecord row, AbstractSession session, DatabaseMapping.WriteType writeType)	INTERNAL: Get a value from the object and set that in the respective field of the row.
void	writeSingleValue(Object attributeValue, Object parent, XMLRecord row, AbstractSession session)	INTERNAL: A method that marshals a single value to the provided Record based on this mapping's XPath.

Methods inherited from class org.eclipse.persistence.oxm.mappings.XMLDirectMapping

convertDataValueToObjectValue, convertObjectValueToDataValue, getAttributeValue, getFieldValue, getNullPolicy, getXPath, initialize, isCDATA, isCloningRequired, isCollapsingStringValues, isNormalizingStringValues, isNullValueMarshalled, isWriteOnly, isXMLMapping, preInitialize, setAttributeValueInObject, setCollapsingStringValues, setIsCDATA, setIsWriteOnly, setNormalizingStringValues, setNullPolicy, setNullValueMarshalled, writeValueIntoRow

Methods inherited from class org.eclipse.persistence.mappings.foundation.AbstractDirectMapping

addAdditionalFieldsToQuery, addFieldsForMapKey, addKeyToDeletedObjectsList, buildBackupClone, buildChangeRecord, buildClone, buildCloneFromRow, buildCloneValue, buildCloneValue, buildCopy, buildElementClone, buildExpression, buildSelectionQueryForDirectCollectionKeyMapping, buildShallowOriginalFromRow, cascadeDiscoverAndPersistUnregisteredNewObjects, cascadePerformRemoveIfRequired, cascadePerformRemoveIfRequired, cascadeRegisterNewIfRequired, cascadeRegisterNewIfRequired, compareForChange, compareObjects, compareObjectValues, convertClassNamesToClasses, createMapComponentFromJoinedRow, createMapComponentFromRow, createMapComponentsFromSerializableKeyInfo, createQueryKeyForMapKey, createSerializableMapKeyInfo, createStubbedMapComponentFromSerializableKeyInfo, deleteMapKey, extractIdentityFieldsForQuery, getAdditionalSelectionCriteriaForMapKey, getAdditionalTablesForJoinQuery, getAllFieldsForMapKey, getAttributeClassification, getAttributeClassificationName, getFieldClassification, getFieldClassification, getFieldClassificationClassName, getFieldName, getFieldValue, getForeignKeyFieldsForMapKey, getIdentityFieldsForMapKey, getMapKeyTargetType, getNestedJoinQuery, getNullValue, getObjectValue, getObjectValueWithoutClassCheck, getReferenceDescriptor, getTargetVersionOfSourceObject, getWeight, internalBuildChangeRecord, isChangeTrackingSupported, isDirectToFieldMapping, isMutable, iterateOnMapKey, mergeChangesIntoObject, mergeIntoObject, postInitializeMapKey, preinitializeMapKey, remoteInitialization, requiresDataModificationEventsForMapKey, setAttributeClassification, setAttributeClassificationName, setFieldClassification, setFieldClassificationClassName, setFieldType, setIsMutable, setNullValue, toString, unwrapKey, updateChangeRecord, validateBeforeInitialization, valueFromObject, valueFromResultSet, wrapKey, writeFromObjectIntoRowForUpdate, writeFromObjectIntoRowWithChangeRecord, writeInsertFieldsIntoRow, writeUpdateFieldsIntoRow

Methods inherited from class org.eclipse.persistence.mappings.foundation.AbstractColumnMapping

clone, collectFields, fixObjectReferences, getConverter, getField, hasConverter, isInsertable, isUpdatable, iterate, setConverter, setConverterClassName, setField

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

addUnconvertedProperty, buildBackupCloneForPartObject, buildCloneForPartObject, buildContainerClone, buildObjectJoinExpression, buildObjectJoinExpression, calculateDeferredChanges, cascadeDiscoverAndPersistUnregisteredNewObjects, cascadePerformRemovePrivateOwnedObjectFromChangeSetIfRequired, cloneFields, collectQueryParameters, convertConverterClassNamesToClasses, createCloneValueHolder, derivesId, earlyPreDelete, extractNestedExpressions, extractNestedNonAggregateExpressions, fixRealObjectReferences, getAttributeAccessor, getAttributeName, getAttributeValueFromObject, getContainerPolicy, getDerivedIdMapping, getDescriptor, getFields, getGetMethodName, getMapsIdValue, getObjectCorrespondingTo, getOrderByNormalizedExpressions, getProperties, getProperty, getRealAttributeValueFromAttribute, getRealAttributeValueFromObject, getRealCollectionAttributeValueFromObject, getRelationshipPartner, getSelectFields, getSelectTables, getSetMethodName, getUnconvertedProperties, getValueFromRemoteValueHolder, hasConstraintDependency, hasDependency, hasInverseConstraintDependency, hasMapsIdValue, hasNestedIdentityReference, hasRootExpressionThatShouldUseOuterJoin, hasUnconvertedProperties, instantiateAttribute, isAbstractCompositeCollectionMapping, isAbstractCompositeDirectCollectionMapping, isAbstractCompositeObjectMapping, isAggregateCollectionMapping, isAggregateMapping, isAggregateObjectMapping, isAttributeValueFromObjectInstantiated, isCacheable, isCandidateForPrivateOwnedRemoval, isCascadedLockingSupported, isCollectionMapping, isDatabaseMapping, isDirectCollectionMapping, isDirectMapMapping, isDirectToXMLTypeMapping, isEISMapping, isElementCollectionMapping, isForeignReferenceMapping, isInAndOutSopObject, isInOnlySopObject, isInSopObject, isJoiningSupported, isJPAId, isLazy, isLockableMapping, isManyToManyMapping, isManyToOneMapping, isMapKeyMapping, isMultitenantPrimaryKeyMapping, isNestedTableMapping, isObjectReferenceMapping, isOneToManyMapping, isOneToOneMapping, isOptional, isOutOnlySopObject, isOutSopObject, isOwned, isPrimaryKeyMapping, isPrivateOwned, isReadOnly, isReferenceMapping, isRelationalMapping, isRemotelyInitialized, isStructureMapping, isTransformationMapping, isUnidirectionalOneToManyMapping, isUsingMethodAccess, isVariableOneToOneMapping, iterateOnRealAttributeValue, load, loadAll, performDataModificationEvent, postCalculateChanges, postCalculateChangesOnDeleted, postDelete, postInitialize, postInitializeSourceAndTargetExpressions, postInsert, postUpdate, preDelete, preInsert, prepareCascadeLockingPolicy, preUpdate, readFromResultSetIntoObject, readFromRowIntoObject, readOnly, readWrite, recordPrivateOwnedRemovals, rehashFieldDependancies, remotelyInitialized, replaceValueHoldersIn, setAttributeAccessor, setAttributeName, setChangeListener, setDerivedIdMapping, setDerivesId, setDescriptor, setFields, setGetMethodName, setIsCacheable, setIsInAndOutSopObject, setIsInSopObject, setIsJPAId, setIsLazy, setIsMapKeyMapping, setIsOptional, setIsOutSopObject, setIsPrimaryKeyMapping, setIsReadOnly, setMapsIdValue, setProperties, setProperty, setRealAttributeValueInObject, setSetMethodName, setWeight, simpleAddToCollectionChangeRecord, simpleRemoveFromCollectionChangeRecord, updateCollectionChangeRecord, validateAfterInitialization, valueFromRow, verifyDelete, writeFromAttributeIntoRow, writeFromObjectIntoRowForShallowInsert, writeFromObjectIntoRowForShallowInsertWithChangeRecord, writeFromObjectIntoRowForUpdateAfterShallowInsert, writeFromObjectIntoRowForUpdateBeforeShallowDelete, writeFromObjectIntoRowForWhereClause

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.persistence.internal.oxm.mappings.DirectMapping

getConverter, getNullValue, getObjectValue, hasConverter, setAttributeClassification, setAttributeClassificationName, setConverter, setField, setNullValue, valueFromObject

Methods inherited from interface org.eclipse.persistence.internal.oxm.mappings.FragmentMapping

getObjectValue, getXPath

Methods inherited from interface org.eclipse.persistence.mappings.foundation.MapComponentMapping

clone

Methods inherited from interface org.eclipse.persistence.internal.oxm.mappings.Mapping

getAttributeAccessor, getAttributeClassification, getAttributeName, getAttributeValueFromObject, getContainerPolicy, getDescriptor, getField, getReferenceDescriptor, isAbstractCompositeCollectionMapping, isAbstractCompositeDirectCollectionMapping, isAbstractCompositeObjectMapping, isCollectionMapping, isReadOnly, isReferenceMapping, isTransformationMapping, setAttributeAccessor, setAttributeName, setAttributeValueInObject, setGetMethodName, setIsReadOnly, setProperties, setSetMethodName

Methods inherited from interface org.eclipse.persistence.oxm.mappings.XMLMapping

convertClassNamesToClasses

Constructor Details

XMLFragmentMapping

public XMLFragmentMapping()

Method Details

writeFromObjectIntoRow

public void writeFromObjectIntoRow(Object object,
 AbstractRecord row,
 AbstractSession session,
 DatabaseMapping.WriteType writeType)

INTERNAL: Get a value from the object and set that in the respective field of the row.

Overrides:

writeFromObjectIntoRow in class XMLDirectMapping

valueFromRow

public Object valueFromRow(AbstractRecord row,
 JoinedAttributeManager joinManager,
 ObjectBuildingQuery query,
 CacheKey cacheKey,
 AbstractSession executionSession,
 boolean isTargetProtected,
 Boolean[] wasCacheUsed)

Description copied from class: XMLDirectMapping

INTERNAL: Return the mapping's attribute value from the row. The execution session is passed for the case of building a UnitOfWork clone directly from a row, the session set in the query will not know which platform to use for converting the value. Allows the correct session to be passed in.

Overrides:

valueFromRow in class XMLDirectMapping

writeSingleValue

public void writeSingleValue(Object attributeValue,
 Object parent,
 XMLRecord row,
 AbstractSession session)

Description copied from interface: XMLMapping

INTERNAL: A method that marshals a single value to the provided Record based on this mapping's XPath. Used for Sequenced marshalling.

Specified by:

writeSingleValue in interface Mapping<AbstractSession,AttributeAccessor,ContainerPolicy,ClassDescriptor,DatabaseField,XMLRecord>

Specified by:

writeSingleValue in interface XMLMapping

Overrides:

writeSingleValue in class XMLDirectMapping

Parameters:

attributeValue - - The value to be marshalled

row - - The Record the value is being marshalled too.

setXPath

public void setXPath(String xpathString)

Description copied from class: XMLDirectMapping

Set the Mapping field name attribute to the given XPath String

Specified by:

setXPath in interface DirectMapping<AbstractSession,AttributeAccessor,ContainerPolicy,Converter,ClassDescriptor,DatabaseField,XMLMarshaller,Session,XMLUnmarshaller,XMLRecord>

Overrides:

setXPath in class XMLDirectMapping

Parameters:

xpathString - String

isAbstractDirectMapping

public boolean isAbstractDirectMapping()

Description copied from class: AbstractDirectMapping

INTERNAL:

Specified by:

isAbstractDirectMapping in interface Mapping<AbstractSession,AttributeAccessor,ContainerPolicy,ClassDescriptor,DatabaseField,XMLRecord>

Overrides:

isAbstractDirectMapping in class AbstractDirectMapping

Returns:

TODO

isAbstractColumnMapping

public boolean isAbstractColumnMapping()

Description copied from class: AbstractColumnMapping

INTERNAL:

Overrides:

isAbstractColumnMapping in class AbstractColumnMapping