log.trace(
"Processing annotations of {}.{}", propertyHolder.getEntityName(), inferredData.getPropertyName()
);
final XProperty property = inferredData.getProperty();
if ( property.isAnnotationPresent( Parent.class ) ) {
if ( propertyHolder.isComponent() ) {
propertyHolder.setParentProperty( property.getName() );
}
else {
throw new AnnotationException(
"@Parent cannot be applied outside an embeddable object: "
+ BinderHelper.getPath( propertyHolder, inferredData )
);
}
return ;
}
ColumnsBuilder columnsBuilder = new ColumnsBuilder(
propertyHolder, nullability, property, inferredData, entityBinder, mappings
).extractMetadata();
Ejb3Column[] columns = columnsBuilder.getColumns();
Ejb3JoinColumn[] joinColumns = columnsBuilder.getJoinColumns();
final XClass returnedClass = inferredData.getClassOrElement();
//prepare PropertyBinder
PropertyBinder propertyBinder = new PropertyBinder();
propertyBinder.setName( inferredData.getPropertyName() );
propertyBinder.setReturnedClassName( inferredData.getTypeName() );
propertyBinder.setAccessType( inferredData.getDefaultAccess() );
propertyBinder.setHolder( propertyHolder );
propertyBinder.setProperty( property );
propertyBinder.setReturnedClass( inferredData.getPropertyClass() );
propertyBinder.setMappings( mappings );
if ( isIdentifierMapper ) {
propertyBinder.setInsertable( false );
propertyBinder.setUpdatable( false );
}
propertyBinder.setDeclaringClass( inferredData.getDeclaringClass() );
propertyBinder.setEntityBinder( entityBinder );
propertyBinder.setInheritanceStatePerClass(inheritanceStatePerClass);
boolean isId = !entityBinder.isIgnoreIdAnnotations() &&
( property.isAnnotationPresent( Id.class )
|| property.isAnnotationPresent( EmbeddedId.class ) );
propertyBinder.setId( isId );
if ( property.isAnnotationPresent( Version.class ) ) {
if ( isIdentifierMapper ) {
throw new AnnotationException(
"@IdClass class should not have @Version property"
);
}
if ( !( propertyHolder.getPersistentClass() instanceof RootClass ) ) {
throw new AnnotationException(
"Unable to define/override @Version on a subclass: "
+ propertyHolder.getEntityName()
);
}
if ( ! propertyHolder.isEntity() ) {
throw new AnnotationException(
"Unable to define @Version on an embedded class: "
+ propertyHolder.getEntityName()
);
}
log.trace( "{} is a version property", inferredData.getPropertyName() );
RootClass rootClass = (RootClass) propertyHolder.getPersistentClass();
propertyBinder.setColumns( columns );
Property prop = propertyBinder.makePropertyValueAndBind();
propertyBinder.getSimpleValueBinder().setVersion(true);
rootClass.setVersion( prop );
//If version is on a mapped superclass, update the mapping
final org.hibernate.mapping.MappedSuperclass superclass = BinderHelper.getMappedSuperclassOrNull(
inferredData.getDeclaringClass(),
inheritanceStatePerClass,
mappings
);
if (superclass != null) {
superclass.setDeclaredVersion(prop);
}
else {
//we know the property is on the actual entity
rootClass.setDeclaredVersion( prop );
}
SimpleValue simpleValue = (SimpleValue) prop.getValue();
simpleValue.setNullValue( "undefined" );
rootClass.setOptimisticLockMode( Versioning.OPTIMISTIC_LOCK_VERSION );
log.trace(
"Version name: {}, unsavedValue: {}", rootClass.getVersion().getName(),
( (SimpleValue) rootClass.getVersion().getValue() ).getNullValue()
);
}
else {
final boolean forcePersist = property.isAnnotationPresent( MapsId.class )
|| property.isAnnotationPresent( Id.class );
if ( property.isAnnotationPresent( ManyToOne.class ) ) {
ManyToOne ann = property.getAnnotation( ManyToOne.class );
//check validity
if ( property.isAnnotationPresent( Column.class )
|| property.isAnnotationPresent( Columns.class ) ) {
throw new AnnotationException( "@Column(s) not allowed on a @ManyToOne property: "
+ BinderHelper.getPath( propertyHolder, inferredData ) );
}
Cascade hibernateCascade = property.getAnnotation( Cascade.class );
NotFound notFound = property.getAnnotation( NotFound.class );
boolean ignoreNotFound = notFound != null && notFound.action().equals( NotFoundAction.IGNORE );
OnDelete onDeleteAnn = property.getAnnotation( OnDelete.class );
boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals( onDeleteAnn.action() );
JoinTable assocTable = propertyHolder.getJoinTable( property );
if ( assocTable != null ) {
Join join = propertyHolder.addJoin( assocTable, false );
for (Ejb3JoinColumn joinColumn : joinColumns) {
joinColumn.setSecondaryTableName( join.getTable().getName() );
}
}
final boolean mandatory = !ann.optional() || forcePersist;
bindManyToOne(
getCascadeStrategy( ann.cascade(), hibernateCascade, false, forcePersist),
joinColumns,
!mandatory,
ignoreNotFound, onDeleteCascade,
ToOneBinder.getTargetEntity( inferredData, mappings ),
propertyHolder,
inferredData, false, isIdentifierMapper,
inSecondPass, propertyBinder, mappings
);
}
else if ( property.isAnnotationPresent( OneToOne.class ) ) {
OneToOne ann = property.getAnnotation( OneToOne.class );
//check validity
if ( property.isAnnotationPresent( Column.class )
|| property.isAnnotationPresent( Columns.class ) ) {
throw new AnnotationException( "@Column(s) not allowed on a @OneToOne property: "
+ BinderHelper.getPath( propertyHolder, inferredData ) );
}
//FIXME support a proper PKJCs
boolean trueOneToOne = property.isAnnotationPresent( PrimaryKeyJoinColumn.class )
|| property.isAnnotationPresent( PrimaryKeyJoinColumns.class );
Cascade hibernateCascade = property.getAnnotation( Cascade.class );
NotFound notFound = property.getAnnotation( NotFound.class );
boolean ignoreNotFound = notFound != null && notFound.action().equals( NotFoundAction.IGNORE );
OnDelete onDeleteAnn = property.getAnnotation( OnDelete.class );
boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals( onDeleteAnn.action() );
JoinTable assocTable = propertyHolder.getJoinTable( property );
if ( assocTable != null ) {
Join join = propertyHolder.addJoin( assocTable, false );
for (Ejb3JoinColumn joinColumn : joinColumns) {
joinColumn.setSecondaryTableName( join.getTable().getName() );
}
}
//MapsId means the columns belong to the pk => not null
final boolean mandatory = !ann.optional() || forcePersist;
bindOneToOne(
getCascadeStrategy( ann.cascade(), hibernateCascade, ann.orphanRemoval(), forcePersist),
joinColumns,
!mandatory,
getFetchMode( ann.fetch() ),
ignoreNotFound, onDeleteCascade,
ToOneBinder.getTargetEntity( inferredData, mappings ),
propertyHolder,
inferredData,
ann.mappedBy(),
trueOneToOne,
isIdentifierMapper,
inSecondPass,
propertyBinder,
mappings
);
}
else if ( property.isAnnotationPresent( org.hibernate.annotations.Any.class ) ) {
//check validity
if ( property.isAnnotationPresent( Column.class )
|| property.isAnnotationPresent( Columns.class ) ) {
throw new AnnotationException( "@Column(s) not allowed on a @Any property: "
+ BinderHelper.getPath( propertyHolder, inferredData ) );
}
Cascade hibernateCascade = property.getAnnotation( Cascade.class );
OnDelete onDeleteAnn = property.getAnnotation( OnDelete.class );
boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals( onDeleteAnn.action() );
JoinTable assocTable = propertyHolder.getJoinTable( property );
if ( assocTable != null ) {
Join join = propertyHolder.addJoin( assocTable, false );
for (Ejb3JoinColumn joinColumn : joinColumns) {
joinColumn.setSecondaryTableName( join.getTable().getName() );
}
}
bindAny( getCascadeStrategy( null, hibernateCascade, false, forcePersist), //@Any has not cascade attribute
joinColumns, onDeleteCascade, nullability,
propertyHolder, inferredData, entityBinder,
isIdentifierMapper, mappings );
}
else if ( property.isAnnotationPresent( OneToMany.class )
|| property.isAnnotationPresent( ManyToMany.class )
|| property.isAnnotationPresent( CollectionOfElements.class ) //legacy Hibernate
|| property.isAnnotationPresent( ElementCollection.class )
|| property.isAnnotationPresent( ManyToAny.class ) ) {
OneToMany oneToManyAnn = property.getAnnotation( OneToMany.class );
ManyToMany manyToManyAnn = property.getAnnotation( ManyToMany.class );
ElementCollection elementCollectionAnn = property.getAnnotation( ElementCollection.class );
CollectionOfElements collectionOfElementsAnn = property.getAnnotation( CollectionOfElements.class ); //legacy hibernate
final IndexColumn indexColumn;
if ( property.isAnnotationPresent( OrderColumn.class ) ) {
indexColumn = IndexColumn.buildColumnFromAnnotation(
property.getAnnotation(OrderColumn.class),
propertyHolder,
inferredData,
entityBinder.getSecondaryTables(),
mappings
);
}
else {
//if @IndexColumn is not there, the generated IndexColumn is an implicit column and not used.
//so we can leave the legacy processing as the default
indexColumn = IndexColumn.buildColumnFromAnnotation(
property.getAnnotation(org.hibernate.annotations.IndexColumn.class),
propertyHolder,
inferredData,
mappings
);
}
CollectionBinder collectionBinder = CollectionBinder.getCollectionBinder(
propertyHolder.getEntityName(),
property,
!indexColumn.isImplicit(),
property.isAnnotationPresent( CollectionOfElements.class )
|| property.isAnnotationPresent( org.hibernate.annotations.MapKey.class )
// || property.isAnnotationPresent( ManyToAny.class )
);
collectionBinder.setIndexColumn( indexColumn );
MapKey mapKeyAnn = property.getAnnotation( MapKey.class );
collectionBinder.setMapKey( mapKeyAnn );
collectionBinder.setPropertyName( inferredData.getPropertyName() );
BatchSize batchAnn = property.getAnnotation( BatchSize.class );
collectionBinder.setBatchSize( batchAnn );
javax.persistence.OrderBy ejb3OrderByAnn = property.getAnnotation( javax.persistence.OrderBy.class );
OrderBy orderByAnn = property.getAnnotation( OrderBy.class );
collectionBinder.setEjb3OrderBy( ejb3OrderByAnn );
collectionBinder.setSqlOrderBy( orderByAnn );
Sort sortAnn = property.getAnnotation( Sort.class );
collectionBinder.setSort( sortAnn );
Cache cachAnn = property.getAnnotation( Cache.class );
collectionBinder.setCache( cachAnn );
collectionBinder.setPropertyHolder( propertyHolder );
Cascade hibernateCascade = property.getAnnotation( Cascade.class );
NotFound notFound = property.getAnnotation( NotFound.class );
boolean ignoreNotFound = notFound != null && notFound.action().equals( NotFoundAction.IGNORE );
collectionBinder.setIgnoreNotFound( ignoreNotFound );
collectionBinder.setCollectionType( inferredData.getProperty().getElementClass() );
collectionBinder.setMappings( mappings );
collectionBinder.setAccessType( inferredData.getDefaultAccess() );
Ejb3Column[] elementColumns;
//do not use "element" if you are a JPA 2 @ElementCollection only for legacy Hibernate mappings
boolean isJPA2ForValueMapping = property.isAnnotationPresent( ElementCollection.class );
PropertyData virtualProperty = isJPA2ForValueMapping ? inferredData : new WrappedInferredData( inferredData, "element" );
if ( property.isAnnotationPresent( Column.class ) || property.isAnnotationPresent(
Formula.class
) ) {
Column ann = property.getAnnotation( Column.class );
Formula formulaAnn = property.getAnnotation( Formula.class );
elementColumns = Ejb3Column.buildColumnFromAnnotation(
new Column[] { ann },
formulaAnn,
nullability,
propertyHolder,
virtualProperty,
entityBinder.getSecondaryTables(),
mappings
);
}
else if ( property.isAnnotationPresent( Columns.class ) ) {
Columns anns = property.getAnnotation( Columns.class );
elementColumns = Ejb3Column.buildColumnFromAnnotation(
anns.columns(), null, nullability, propertyHolder, virtualProperty,
entityBinder.getSecondaryTables(), mappings
);
}
else {
elementColumns = Ejb3Column.buildColumnFromAnnotation(
null,
null,
nullability,
propertyHolder,
virtualProperty,
entityBinder.getSecondaryTables(),
mappings
);
}
{
Column[] keyColumns = null;
//JPA 2 has priority and has different default column values, differenciate legacy from JPA 2
Boolean isJPA2 = null;
if ( property.isAnnotationPresent( MapKeyColumn.class ) ) {
isJPA2 = Boolean.TRUE;
keyColumns = new Column[] { new MapKeyColumnDelegator( property.getAnnotation( MapKeyColumn.class ) ) };
}
else if ( property.isAnnotationPresent( org.hibernate.annotations.MapKey.class ) ) {
if ( isJPA2 == null) {
isJPA2 = Boolean.FALSE;
}
keyColumns = property.getAnnotation( org.hibernate.annotations.MapKey.class ).columns();
}
//not explicitly legacy
if ( isJPA2 == null) {
isJPA2 = Boolean.TRUE;
}
//nullify empty array
keyColumns = keyColumns != null && keyColumns.length > 0 ? keyColumns : null;
//"mapkey" is the legacy column name of the key column pre JPA 2
PropertyData mapKeyVirtualProperty = new WrappedInferredData( inferredData, "mapkey" );
Ejb3Column[] mapColumns = Ejb3Column.buildColumnFromAnnotation(
keyColumns,
null,
Nullability.FORCED_NOT_NULL,
propertyHolder,
isJPA2 ? inferredData : mapKeyVirtualProperty,
isJPA2 ? "_KEY" : null,
entityBinder.getSecondaryTables(),
mappings
);
collectionBinder.setMapKeyColumns( mapColumns );
}
{
JoinColumn[] joinKeyColumns = null;
//JPA 2 has priority and has different default column values, differenciate legacy from JPA 2
Boolean isJPA2 = null;
if ( property.isAnnotationPresent( MapKeyJoinColumns.class ) ) {
isJPA2 = Boolean.TRUE;
final MapKeyJoinColumn[] mapKeyJoinColumns = property.getAnnotation( MapKeyJoinColumns.class ).value();
joinKeyColumns = new JoinColumn[mapKeyJoinColumns.length];
int index = 0;
for ( MapKeyJoinColumn joinColumn : mapKeyJoinColumns ) {
joinKeyColumns[index] = new MapKeyJoinColumnDelegator( joinColumn );
index++;
}
if ( joinKeyColumns != null ) {
throw new AnnotationException( "@MapKeyJoinColumn and @MapKeyJoinColumns used on the same property: "
+ BinderHelper.getPath( propertyHolder, inferredData ) );
}
}
else if ( property.isAnnotationPresent( MapKeyJoinColumn.class ) ) {
isJPA2 = Boolean.TRUE;
joinKeyColumns = new JoinColumn[] { new MapKeyJoinColumnDelegator( property.getAnnotation( MapKeyJoinColumn.class ) ) };
}
else if ( property.isAnnotationPresent( org.hibernate.annotations.MapKeyManyToMany.class ) ) {
if ( isJPA2 == null) {
isJPA2 = Boolean.FALSE;
}
joinKeyColumns = property.getAnnotation( org.hibernate.annotations.MapKeyManyToMany.class ).joinColumns();
}
//not explicitly legacy
if ( isJPA2 == null) {
isJPA2 = Boolean.TRUE;
}
PropertyData mapKeyVirtualProperty = new WrappedInferredData( inferredData, "mapkey" );
Ejb3JoinColumn[] mapJoinColumns = Ejb3JoinColumn.buildJoinColumnsWithDefaultColumnSuffix(
joinKeyColumns,
null,
entityBinder.getSecondaryTables(),
propertyHolder,
isJPA2 ? inferredData.getPropertyName() : mapKeyVirtualProperty.getPropertyName(),
isJPA2 ? "_KEY" : null,
mappings
);
collectionBinder.setMapKeyManyToManyColumns( mapJoinColumns );
}
//potential element
collectionBinder.setEmbedded( property.isAnnotationPresent( Embedded.class ) );
collectionBinder.setElementColumns( elementColumns );
collectionBinder.setProperty( property );
//TODO enhance exception with @ManyToAny and @CollectionOfElements
if ( oneToManyAnn != null && manyToManyAnn != null ) {
throw new AnnotationException(
"@OneToMany and @ManyToMany on the same property is not allowed: "
+ propertyHolder.getEntityName() + "." + inferredData.getPropertyName()
);
}
String mappedBy = null;
if ( oneToManyAnn != null ) {
for (Ejb3JoinColumn column : joinColumns) {
if ( column.isSecondary() ) {
throw new NotYetImplementedException( "Collections having FK in secondary table" );
}
}
collectionBinder.setFkJoinColumns( joinColumns );
mappedBy = oneToManyAnn.mappedBy();
collectionBinder.setTargetEntity(
mappings.getReflectionManager().toXClass( oneToManyAnn.targetEntity() )
);
collectionBinder.setCascadeStrategy(
getCascadeStrategy( oneToManyAnn.cascade(), hibernateCascade, oneToManyAnn.orphanRemoval(), false) );
collectionBinder.setOneToMany( true );
}
else if ( elementCollectionAnn != null
|| collectionOfElementsAnn != null //Hibernate legacy
) {
for (Ejb3JoinColumn column : joinColumns) {
if ( column.isSecondary() ) {
throw new NotYetImplementedException( "Collections having FK in secondary table" );
}
}
collectionBinder.setFkJoinColumns( joinColumns );
mappedBy = "";
final Class<?> targetElement = elementCollectionAnn != null ?
elementCollectionAnn.targetClass() :
collectionOfElementsAnn.targetElement();
collectionBinder.setTargetEntity(
mappings.getReflectionManager().toXClass( targetElement )
);
//collectionBinder.setCascadeStrategy( getCascadeStrategy( embeddedCollectionAnn.cascade(), hibernateCascade ) );
collectionBinder.setOneToMany( true );
}
else if ( manyToManyAnn != null ) {
mappedBy = manyToManyAnn.mappedBy();
collectionBinder.setTargetEntity(
mappings.getReflectionManager().toXClass( manyToManyAnn.targetEntity() )
);
collectionBinder.setCascadeStrategy( getCascadeStrategy( manyToManyAnn.cascade(), hibernateCascade, false, false) );
collectionBinder.setOneToMany( false );
}
else if ( property.isAnnotationPresent( ManyToAny.class ) ) {
mappedBy = "";
collectionBinder.setTargetEntity(
mappings.getReflectionManager().toXClass( void.class )
);
collectionBinder.setCascadeStrategy( getCascadeStrategy( null, hibernateCascade, false, false) );
collectionBinder.setOneToMany( false );
}
collectionBinder.setMappedBy( mappedBy );
bindJoinedTableAssociation(
property, mappings, entityBinder, collectionBinder, propertyHolder, inferredData, mappedBy
);
OnDelete onDeleteAnn = property.getAnnotation( OnDelete.class );
boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals( onDeleteAnn.action() );
collectionBinder.setCascadeDeleteEnabled( onDeleteCascade );
if ( isIdentifierMapper ) {
collectionBinder.setInsertable( false );
collectionBinder.setUpdatable( false );
}
if ( property.isAnnotationPresent( CollectionId.class ) ) { //do not compute the generators unless necessary
HashMap<String, IdGenerator> localGenerators = (HashMap<String, IdGenerator>) classGenerators.clone();
localGenerators.putAll( buildLocalGenerators( property, mappings ) );
collectionBinder.setLocalGenerators( localGenerators );
}
collectionBinder.setInheritanceStatePerClass( inheritanceStatePerClass );
collectionBinder.setDeclaringClass( inferredData.getDeclaringClass() );
collectionBinder.bind();
}
//Either a regular property or a basic @Id or @EmbeddedId while not ignoring id annotations
else if ( !isId || !entityBinder.isIgnoreIdAnnotations() ) {
//define whether the type is a component or not
boolean isComponent = false;
//Overrides from @MapsId if needed
boolean isOverridden = false;
if ( isId || propertyHolder.isOrWithinEmbeddedId() || propertyHolder.isInIdClass() ) {
//the associated entity could be using an @IdClass making the overridden property a component
final PropertyData overridingProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId( isId, propertyHolder, property.getName(), mappings );
if (overridingProperty != null) {
isOverridden = true;
final InheritanceState state = inheritanceStatePerClass.get( overridingProperty.getClassOrElement() );
if (state != null) {
isComponent = isComponent || state.hasIdClassOrEmbeddedId();
}
//Get the new column
columns = columnsBuilder.overrideColumnFromMapperOrMapsIdProperty(isId);
}
}
isComponent = isComponent
|| property.isAnnotationPresent( Embedded.class )
|| property.isAnnotationPresent( EmbeddedId.class )
|| returnedClass.isAnnotationPresent( Embeddable.class );
if ( isComponent ) {
String referencedEntityName = null;
if (isOverridden) {
final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(
isId, propertyHolder, property.getName(), mappings
);
referencedEntityName = mapsIdProperty.getClassOrElementName();
}
AccessType propertyAccessor = entityBinder.getPropertyAccessor( property );
propertyBinder = bindComponent(
inferredData,
propertyHolder,
propertyAccessor,
entityBinder,
isIdentifierMapper,
mappings,
isComponentEmbedded,
isId,
inheritanceStatePerClass,
referencedEntityName,
isOverridden ? (Ejb3JoinColumn[]) columns : null
);
}
else {
//provide the basic property mapping
boolean optional = true;
boolean lazy = false;
if ( property.isAnnotationPresent( Basic.class ) ) {
Basic ann = property.getAnnotation( Basic.class );
optional = ann.optional();
lazy = ann.fetch() == FetchType.LAZY;
}
//implicit type will check basic types and Serializable classes
if ( isId || ( !optional && nullability != Nullability.FORCED_NULL ) ) {
//force columns to not null
for (Ejb3Column col : columns) {
col.forceNotNull();
}
}
propertyBinder.setLazy( lazy );
propertyBinder.setColumns( columns );
if (isOverridden) {
final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(
isId, propertyHolder, property.getName(), mappings
);
propertyBinder.setReferencedEntityName( mapsIdProperty.getClassOrElementName() );
}
propertyBinder.makePropertyValueAndBind();
}
if (isOverridden) {
final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(
isId, propertyHolder, property.getName(), mappings
);
Map<String, IdGenerator> localGenerators = (HashMap<String, IdGenerator>) classGenerators.clone();
final IdGenerator foreignGenerator = new IdGenerator();
foreignGenerator.setIdentifierGeneratorStrategy( "assigned" );
foreignGenerator.setName( "Hibernate-local--foreign generator" );
foreignGenerator.setIdentifierGeneratorStrategy( "foreign" );
foreignGenerator.addParam( "property", mapsIdProperty.getPropertyName() );
localGenerators.put( foreignGenerator.getName(), foreignGenerator );
BinderHelper.makeIdGenerator(
(SimpleValue) propertyBinder.getValue(),
foreignGenerator.getIdentifierGeneratorStrategy(),
foreignGenerator.getName(),
mappings,
localGenerators
);
}
if (isId) {
//components and regular basic types create SimpleValue objects
final SimpleValue value = ( SimpleValue ) propertyBinder.getValue();
if ( !isOverridden ) {
processId(
propertyHolder,
inferredData,
value,
classGenerators,
isIdentifierMapper,
mappings
);
}
}
}
}
//init index
//process indexes after everything: in second pass, many to one has to be done before indexes
Index index = property.getAnnotation( Index.class );
if ( index != null ) {
if ( joinColumns != null ) {
for (Ejb3Column column : joinColumns) {
column.addIndex( index, inSecondPass );
}
}
else {
if ( columns != null ) {
for (Ejb3Column column : columns) {
column.addIndex( index, inSecondPass );
}
}
}
}
NaturalId naturalIdAnn = property.getAnnotation( NaturalId.class );
if ( naturalIdAnn != null ) {
if ( joinColumns != null ) {
for (Ejb3Column column : joinColumns) {
column.addUniqueKey( "_UniqueKey", inSecondPass );
}