org.eclipse.persistence.mappings
Class DirectToFieldMapping

java.lang.Object
  org.eclipse.persistence.mappings.DatabaseMapping
      org.eclipse.persistence.mappings.foundation.AbstractDirectMapping
          org.eclipse.persistence.mappings.DirectToFieldMapping

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, MapComponentMapping, MapKeyMapping, RelationalMapping

Direct Known Subclasses:

DirectToXMLTypeMapping

public class DirectToFieldMapping
extends AbstractDirectMapping
implements RelationalMapping

Purpose: Maps an attribute to the corresponding database field type. The list of field types that are supported by TopLink's direct to field mapping is dependent on the relational database being used. A converter can be used to convert between the object and data type if they do not match.

See Also:

Converter, ObjectTypeConverter, TypeConversionConverter, SerializedObjectConverter, Serialized Form

Author:

Sati

Since:

TopLink/Java 1.0

Field Summary

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

attributeClassification, attributeClassificationName, attributeObjectClassification, converter, converterClassName, field, isMutable, nullValue

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

attributeAccessor, attributeName, descriptor, fields, isLazy, isOptional, isPrimaryKeyMapping, isReadOnly, isRemotelyInitialized, NO_FIELDS, NO_WEIGHT, properties, weight, WEIGHT_1

Constructor Summary

DirectToFieldMapping()
Default constructor.

Method Summary

boolean	isRelationalMapping() INTERNAL:
void	setFieldName(java.lang.String FieldName) PUBLIC: Set the field name in the mapping.
protected void	writeValueIntoRow(org.eclipse.persistence.internal.sessions.AbstractRecord row, org.eclipse.persistence.internal.helper.DatabaseField field, java.lang.Object fieldValue)

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

buildBackupClone, buildChangeRecord, buildClone, buildCloneFromRow, buildCloneValue, buildCopy, buildExpression, buildShallowOriginalFromRow, cascadePerformRemoveIfRequired, cascadeRegisterNewIfRequired, clone, collectFields, compareForChange, compareObjects, compareObjectValues, convertClassNamesToClasses, fixObjectReferences, getAttributeClassification, getAttributeClassificationName, getAttributeValue, getConverter, getField, getFieldClassification, getFieldClassification, getFieldName, getFieldValue, getNullValue, getWeight, hasConverter, initialize, internalBuildChangeRecord, isAbstractDirectMapping, isChangeTrackingSupported, isCloningRequired, isDirectToFieldMapping, isMutable, iterate, mergeChangesIntoObject, mergeIntoObject, preInitialize, remoteInitialization, setAttributeClassification, setAttributeClassificationName, setConverter, setConverterClassName, setField, setFieldClassification, setFieldType, setIsMutable, setNullValue, toString, updateChangeRecord, validateBeforeInitialization, valueFromObject, valueFromResultSet, valueFromRow, writeFromObjectIntoRow, writeFromObjectIntoRowForUpdate, writeFromObjectIntoRowWithChangeRecord, writeInsertFieldsIntoRow

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

addToCollectionChangeRecord, buildBackupCloneForPartObject, buildCloneForPartObject, buildObjectJoinExpression, buildObjectJoinExpression, calculateDeferredChanges, cascadeDiscoverAndPersistUnregisteredNewObjects, cascadeMerge, cascadePerformRemovePrivateOwnedObjectFromChangeSetIfRequired, cloneFields, createUnitOfWorkValueHolder, extractNestedExpressions, fixRealObjectReferences, getAttributeAccessor, getAttributeName, getAttributeValueFromObject, getContainerPolicy, getDescriptor, getFields, getGetMethodName, getObjectCorrespondingTo, getProperties, getProperty, getRealAttributeValueFromAttribute, getRealAttributeValueFromObject, getRealCollectionAttributeValueFromObject, getReferenceDescriptor, getRelationshipPartner, getSelectFields, getSelectTables, getSetMethodName, getValueFromRemoteValueHolder, hasConstraintDependency, hasDependency, hasInverseConstraintDependency, hasRootExpressionThatShouldUseOuterJoin, instantiateAttribute, isAbstractCompositeCollectionMapping, isAbstractCompositeDirectCollectionMapping, isAbstractCompositeObjectMapping, isAggregateCollectionMapping, isAggregateMapping, isAggregateObjectMapping, isCandidateForPrivateOwnedRemoval, isCascadedLockingSupported, isCollectionMapping, isDatabaseMapping, isDirectCollectionMapping, isDirectMapMapping, isDirectToXMLTypeMapping, isEISMapping, isForeignReferenceMapping, isJoiningSupported, isLazy, isManyToManyMapping, isNestedTableMapping, isObjectReferenceMapping, isOneToManyMapping, isOneToOneMapping, isOptional, isPrimaryKeyMapping, isPrivateOwned, isReadOnly, isReferenceMapping, isRemotelyInitialized, isStructureMapping, isTransformationMapping, isUnidirectionalOneToManyMapping, isUsingMethodAccess, isVariableOneToOneMapping, isWriteOnly, isXMLMapping, iterateOnRealAttributeValue, performDataModificationEvent, postCalculateChanges, postCalculateChangesOnDeleted, postDelete, postInitialize, postInsert, postUpdate, preDelete, preInsert, prepareCascadeLockingPolicy, preUpdate, readFromResultSetIntoObject, readFromRowIntoObject, readOnly, readWrite, rehashFieldDependancies, remotelyInitialized, removeFromCollectionChangeRecord, replaceValueHoldersIn, setAttributeAccessor, setAttributeName, setAttributeValueInObject, setChangeListener, setDescriptor, setFields, setGetMethodName, setIsLazy, setIsOptional, setIsPrimaryKeyMapping, setIsReadOnly, setProperties, setProperty, setRealAttributeValueInObject, setSetMethodName, setWeight, simpleAddToCollectionChangeRecord, simpleRemoveFromCollectionChangeRecord, updateCollectionChangeRecord, validateAfterInitialization, valueFromResultSet, valueFromRow, verifyDelete, writeFromAttributeIntoRow, writeFromObjectIntoRowForShallowInsert, writeFromObjectIntoRowForShallowInsertWithChangeRecord, writeFromObjectIntoRowForWhereClause, writeUpdateFieldsIntoRow

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectToFieldMapping

public DirectToFieldMapping()

Default constructor.

Method Detail

isRelationalMapping

public boolean isRelationalMapping()

INTERNAL:

Overrides:

isRelationalMapping in class DatabaseMapping

setFieldName

public void setFieldName(java.lang.String FieldName)

PUBLIC: Set the field name in the mapping.

writeValueIntoRow

protected void writeValueIntoRow(org.eclipse.persistence.internal.sessions.AbstractRecord row,
                                 org.eclipse.persistence.internal.helper.DatabaseField field,
                                 java.lang.Object fieldValue)

Specified by:

writeValueIntoRow in class AbstractDirectMapping