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org.hibernate.cfg.annotations.CollectionBinder Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.cfg.annotations;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import javax.persistence.AttributeOverride;
import javax.persistence.AttributeOverrides;
import javax.persistence.ElementCollection;
import javax.persistence.Embeddable;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.JoinColumns;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.MapKey;
import javax.persistence.MapKeyColumn;
import javax.persistence.OneToMany;
import org.hibernate.AnnotationException;
import org.hibernate.FetchMode;
import org.hibernate.MappingException;
import org.hibernate.annotations.BatchSize;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CollectionId;
import org.hibernate.annotations.CollectionType;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.Filter;
import org.hibernate.annotations.FilterJoinTable;
import org.hibernate.annotations.FilterJoinTables;
import org.hibernate.annotations.Filters;
import org.hibernate.annotations.ForeignKey;
import org.hibernate.annotations.Immutable;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;
import org.hibernate.annotations.Loader;
import org.hibernate.annotations.ManyToAny;
import org.hibernate.annotations.OptimisticLock;
import org.hibernate.annotations.OrderBy;
import org.hibernate.annotations.Parameter;
import org.hibernate.annotations.Persister;
import org.hibernate.annotations.SQLDelete;
import org.hibernate.annotations.SQLDeleteAll;
import org.hibernate.annotations.SQLInsert;
import org.hibernate.annotations.SQLUpdate;
import org.hibernate.annotations.Sort;
import org.hibernate.annotations.SortComparator;
import org.hibernate.annotations.SortNatural;
import org.hibernate.annotations.SortType;
import org.hibernate.annotations.Where;
import org.hibernate.annotations.WhereJoinTable;
import org.hibernate.annotations.common.AssertionFailure;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.annotations.common.reflection.XProperty;
import org.hibernate.cfg.AccessType;
import org.hibernate.cfg.AnnotatedClassType;
import org.hibernate.cfg.AnnotationBinder;
import org.hibernate.cfg.BinderHelper;
import org.hibernate.cfg.CollectionPropertyHolder;
import org.hibernate.cfg.CollectionSecondPass;
import org.hibernate.cfg.Ejb3Column;
import org.hibernate.cfg.Ejb3JoinColumn;
import org.hibernate.cfg.IndexColumn;
import org.hibernate.cfg.InheritanceState;
import org.hibernate.cfg.Mappings;
import org.hibernate.cfg.PropertyData;
import org.hibernate.cfg.PropertyHolder;
import org.hibernate.cfg.PropertyHolderBuilder;
import org.hibernate.cfg.PropertyInferredData;
import org.hibernate.cfg.PropertyPreloadedData;
import org.hibernate.cfg.RecoverableException;
import org.hibernate.cfg.SecondPass;
import org.hibernate.engine.spi.ExecuteUpdateResultCheckStyle;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.mapping.Any;
import org.hibernate.mapping.Backref;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.DependantValue;
import org.hibernate.mapping.IdGenerator;
import org.hibernate.mapping.Join;
import org.hibernate.mapping.KeyValue;
import org.hibernate.mapping.ManyToOne;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.SimpleValue;
import org.hibernate.mapping.Table;
import org.hibernate.mapping.TypeDef;
import org.jboss.logging.Logger;
import static org.hibernate.cfg.BinderHelper.toAliasEntityMap;
import static org.hibernate.cfg.BinderHelper.toAliasTableMap;
/**
* Base class for binding different types of collections to Hibernate configuration objects.
*
* @author inger
* @author Emmanuel Bernard
*/
@SuppressWarnings({"unchecked", "serial"})
public abstract class CollectionBinder {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, CollectionBinder.class.getName());
protected Collection collection;
protected String propertyName;
PropertyHolder propertyHolder;
int batchSize;
private String mappedBy;
private XClass collectionType;
private XClass targetEntity;
private Mappings mappings;
private Ejb3JoinColumn[] inverseJoinColumns;
private String cascadeStrategy;
String cacheConcurrencyStrategy;
String cacheRegionName;
private boolean oneToMany;
protected IndexColumn indexColumn;
protected boolean cascadeDeleteEnabled;
protected String mapKeyPropertyName;
private boolean insertable = true;
private boolean updatable = true;
private Ejb3JoinColumn[] fkJoinColumns;
private boolean isExplicitAssociationTable;
private Ejb3Column[] elementColumns;
private boolean isEmbedded;
private XProperty property;
private boolean ignoreNotFound;
private TableBinder tableBinder;
private Ejb3Column[] mapKeyColumns;
private Ejb3JoinColumn[] mapKeyManyToManyColumns;
protected HashMap localGenerators;
protected Map inheritanceStatePerClass;
private XClass declaringClass;
private boolean declaringClassSet;
private AccessType accessType;
private boolean hibernateExtensionMapping;
private boolean isSortedCollection;
private javax.persistence.OrderBy jpaOrderBy;
private OrderBy sqlOrderBy;
private Sort deprecatedSort;
private SortNatural naturalSort;
private SortComparator comparatorSort;
private String explicitType;
private Properties explicitTypeParameters = new Properties();
protected Mappings getMappings() {
return mappings;
}
public boolean isMap() {
return false;
}
public void setIsHibernateExtensionMapping(boolean hibernateExtensionMapping) {
this.hibernateExtensionMapping = hibernateExtensionMapping;
}
protected boolean isHibernateExtensionMapping() {
return hibernateExtensionMapping;
}
public void setUpdatable(boolean updatable) {
this.updatable = updatable;
}
public void setInheritanceStatePerClass(Map inheritanceStatePerClass) {
this.inheritanceStatePerClass = inheritanceStatePerClass;
}
public void setInsertable(boolean insertable) {
this.insertable = insertable;
}
public void setCascadeStrategy(String cascadeStrategy) {
this.cascadeStrategy = cascadeStrategy;
}
public void setAccessType(AccessType accessType) {
this.accessType = accessType;
}
public void setInverseJoinColumns(Ejb3JoinColumn[] inverseJoinColumns) {
this.inverseJoinColumns = inverseJoinColumns;
}
public void setJoinColumns(Ejb3JoinColumn[] joinColumns) {
this.joinColumns = joinColumns;
}
private Ejb3JoinColumn[] joinColumns;
public void setPropertyHolder(PropertyHolder propertyHolder) {
this.propertyHolder = propertyHolder;
}
public void setBatchSize(BatchSize batchSize) {
this.batchSize = batchSize == null ? -1 : batchSize.size();
}
public void setJpaOrderBy(javax.persistence.OrderBy jpaOrderBy) {
this.jpaOrderBy = jpaOrderBy;
}
public void setSqlOrderBy(OrderBy sqlOrderBy) {
this.sqlOrderBy = sqlOrderBy;
}
public void setSort(Sort deprecatedSort) {
this.deprecatedSort = deprecatedSort;
}
public void setNaturalSort(SortNatural naturalSort) {
this.naturalSort = naturalSort;
}
public void setComparatorSort(SortComparator comparatorSort) {
this.comparatorSort = comparatorSort;
}
/**
* collection binder factory
*/
public static CollectionBinder getCollectionBinder(
String entityName,
XProperty property,
boolean isIndexed,
boolean isHibernateExtensionMapping,
Mappings mappings) {
final CollectionBinder result;
if ( property.isArray() ) {
if ( property.getElementClass().isPrimitive() ) {
result = new PrimitiveArrayBinder();
}
else {
result = new ArrayBinder();
}
}
else if ( property.isCollection() ) {
//TODO consider using an XClass
Class returnedClass = property.getCollectionClass();
if ( java.util.Set.class.equals( returnedClass ) ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
throw new AnnotationException( "Set do not support @CollectionId: "
+ StringHelper.qualify( entityName, property.getName() ) );
}
result = new SetBinder( false );
}
else if ( java.util.SortedSet.class.equals( returnedClass ) ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
throw new AnnotationException( "Set do not support @CollectionId: "
+ StringHelper.qualify( entityName, property.getName() ) );
}
result = new SetBinder( true );
}
else if ( java.util.Map.class.equals( returnedClass ) ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
throw new AnnotationException( "Map do not support @CollectionId: "
+ StringHelper.qualify( entityName, property.getName() ) );
}
result = new MapBinder( false );
}
else if ( java.util.SortedMap.class.equals( returnedClass ) ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
throw new AnnotationException( "Map do not support @CollectionId: "
+ StringHelper.qualify( entityName, property.getName() ) );
}
result = new MapBinder( true );
}
else if ( java.util.Collection.class.equals( returnedClass ) ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
result = new IdBagBinder();
}
else {
result = new BagBinder();
}
}
else if ( java.util.List.class.equals( returnedClass ) ) {
if ( isIndexed ) {
if ( property.isAnnotationPresent( CollectionId.class ) ) {
throw new AnnotationException(
"List do not support @CollectionId and @OrderColumn (or @IndexColumn) at the same time: "
+ StringHelper.qualify( entityName, property.getName() ) );
}
result = new ListBinder();
}
else if ( property.isAnnotationPresent( CollectionId.class ) ) {
result = new IdBagBinder();
}
else {
result = new BagBinder();
}
}
else {
throw new AnnotationException(
returnedClass.getName() + " collection not yet supported: "
+ StringHelper.qualify( entityName, property.getName() )
);
}
}
else {
throw new AnnotationException(
"Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements: "
+ StringHelper.qualify( entityName, property.getName() )
);
}
result.setIsHibernateExtensionMapping( isHibernateExtensionMapping );
final CollectionType typeAnnotation = property.getAnnotation( CollectionType.class );
if ( typeAnnotation != null ) {
final String typeName = typeAnnotation.type();
// see if it names a type-def
final TypeDef typeDef = mappings.getTypeDef( typeName );
if ( typeDef != null ) {
result.explicitType = typeDef.getTypeClass();
result.explicitTypeParameters.putAll( typeDef.getParameters() );
}
else {
result.explicitType = typeName;
for ( Parameter param : typeAnnotation.parameters() ) {
result.explicitTypeParameters.setProperty( param.name(), param.value() );
}
}
}
return result;
}
protected CollectionBinder(boolean isSortedCollection) {
this.isSortedCollection = isSortedCollection;
}
public void setMappedBy(String mappedBy) {
this.mappedBy = mappedBy;
}
public void setTableBinder(TableBinder tableBinder) {
this.tableBinder = tableBinder;
}
public void setCollectionType(XClass collectionType) {
// NOTE: really really badly named. This is actually NOT the collection-type, but rather the collection-element-type!
this.collectionType = collectionType;
}
public void setTargetEntity(XClass targetEntity) {
this.targetEntity = targetEntity;
}
public void setMappings(Mappings mappings) {
this.mappings = mappings;
}
protected abstract Collection createCollection(PersistentClass persistentClass);
public Collection getCollection() {
return collection;
}
public void setPropertyName(String propertyName) {
this.propertyName = propertyName;
}
public void setDeclaringClass(XClass declaringClass) {
this.declaringClass = declaringClass;
this.declaringClassSet = true;
}
public void bind() {
this.collection = createCollection( propertyHolder.getPersistentClass() );
String role = StringHelper.qualify( propertyHolder.getPath(), propertyName );
LOG.debugf( "Collection role: %s", role );
collection.setRole( role );
collection.setNodeName( propertyName );
collection.setMappedByProperty( mappedBy );
if ( property.isAnnotationPresent( MapKeyColumn.class )
&& mapKeyPropertyName != null ) {
throw new AnnotationException(
"Cannot mix @javax.persistence.MapKey and @MapKeyColumn or @org.hibernate.annotations.MapKey "
+ "on the same collection: " + StringHelper.qualify(
propertyHolder.getPath(), propertyName
)
);
}
// set explicit type information
if ( explicitType != null ) {
final TypeDef typeDef = mappings.getTypeDef( explicitType );
if ( typeDef == null ) {
collection.setTypeName( explicitType );
collection.setTypeParameters( explicitTypeParameters );
}
else {
collection.setTypeName( typeDef.getTypeClass() );
collection.setTypeParameters( typeDef.getParameters() );
}
}
//set laziness
defineFetchingStrategy();
collection.setBatchSize( batchSize );
collection.setMutable( !property.isAnnotationPresent( Immutable.class ) );
//work on association
boolean isMappedBy = !BinderHelper.isEmptyAnnotationValue( mappedBy );
final OptimisticLock lockAnn = property.getAnnotation( OptimisticLock.class );
final boolean includeInOptimisticLockChecks = ( lockAnn != null )
? ! lockAnn.excluded()
: ! isMappedBy;
collection.setOptimisticLocked( includeInOptimisticLockChecks );
Persister persisterAnn = property.getAnnotation( Persister.class );
if ( persisterAnn != null ) {
collection.setCollectionPersisterClass( persisterAnn.impl() );
}
applySortingAndOrdering( collection );
//set cache
if ( StringHelper.isNotEmpty( cacheConcurrencyStrategy ) ) {
collection.setCacheConcurrencyStrategy( cacheConcurrencyStrategy );
collection.setCacheRegionName( cacheRegionName );
}
//SQL overriding
SQLInsert sqlInsert = property.getAnnotation( SQLInsert.class );
SQLUpdate sqlUpdate = property.getAnnotation( SQLUpdate.class );
SQLDelete sqlDelete = property.getAnnotation( SQLDelete.class );
SQLDeleteAll sqlDeleteAll = property.getAnnotation( SQLDeleteAll.class );
Loader loader = property.getAnnotation( Loader.class );
if ( sqlInsert != null ) {
collection.setCustomSQLInsert( sqlInsert.sql().trim(), sqlInsert.callable(),
ExecuteUpdateResultCheckStyle.fromExternalName( sqlInsert.check().toString().toLowerCase() )
);
}
if ( sqlUpdate != null ) {
collection.setCustomSQLUpdate( sqlUpdate.sql(), sqlUpdate.callable(),
ExecuteUpdateResultCheckStyle.fromExternalName( sqlUpdate.check().toString().toLowerCase() )
);
}
if ( sqlDelete != null ) {
collection.setCustomSQLDelete( sqlDelete.sql(), sqlDelete.callable(),
ExecuteUpdateResultCheckStyle.fromExternalName( sqlDelete.check().toString().toLowerCase() )
);
}
if ( sqlDeleteAll != null ) {
collection.setCustomSQLDeleteAll( sqlDeleteAll.sql(), sqlDeleteAll.callable(),
ExecuteUpdateResultCheckStyle.fromExternalName( sqlDeleteAll.check().toString().toLowerCase() )
);
}
if ( loader != null ) {
collection.setLoaderName( loader.namedQuery() );
}
if (isMappedBy
&& (property.isAnnotationPresent( JoinColumn.class )
|| property.isAnnotationPresent( JoinColumns.class )
|| propertyHolder.getJoinTable( property ) != null ) ) {
String message = "Associations marked as mappedBy must not define database mappings like @JoinTable or @JoinColumn: ";
message += StringHelper.qualify( propertyHolder.getPath(), propertyName );
throw new AnnotationException( message );
}
collection.setInverse( isMappedBy );
//many to many may need some second pass informations
if ( !oneToMany && isMappedBy ) {
mappings.addMappedBy( getCollectionType().getName(), mappedBy, propertyName );
}
//TODO reducce tableBinder != null and oneToMany
XClass collectionType = getCollectionType();
if ( inheritanceStatePerClass == null) throw new AssertionFailure( "inheritanceStatePerClass not set" );
SecondPass sp = getSecondPass(
fkJoinColumns,
joinColumns,
inverseJoinColumns,
elementColumns,
mapKeyColumns, mapKeyManyToManyColumns, isEmbedded,
property, collectionType,
ignoreNotFound, oneToMany,
tableBinder, mappings
);
if ( collectionType.isAnnotationPresent( Embeddable.class )
|| property.isAnnotationPresent( ElementCollection.class ) //JPA 2
) {
// do it right away, otherwise @ManyToOne on composite element call addSecondPass
// and raise a ConcurrentModificationException
//sp.doSecondPass( CollectionHelper.EMPTY_MAP );
mappings.addSecondPass( sp, !isMappedBy );
}
else {
mappings.addSecondPass( sp, !isMappedBy );
}
mappings.addCollection( collection );
//property building
PropertyBinder binder = new PropertyBinder();
binder.setName( propertyName );
binder.setValue( collection );
binder.setCascade( cascadeStrategy );
if ( cascadeStrategy != null && cascadeStrategy.indexOf( "delete-orphan" ) >= 0 ) {
collection.setOrphanDelete( true );
}
binder.setAccessType( accessType );
binder.setProperty( property );
binder.setInsertable( insertable );
binder.setUpdatable( updatable );
Property prop = binder.makeProperty();
//we don't care about the join stuffs because the column is on the association table.
if (! declaringClassSet) throw new AssertionFailure( "DeclaringClass is not set in CollectionBinder while binding" );
propertyHolder.addProperty( prop, declaringClass );
}
private void applySortingAndOrdering(Collection collection) {
boolean isSorted = isSortedCollection;
boolean hadOrderBy = false;
boolean hadExplicitSort = false;
Class comparatorClass = null;
if ( jpaOrderBy == null && sqlOrderBy == null ) {
if ( deprecatedSort != null ) {
LOG.debug( "Encountered deprecated @Sort annotation; use @SortNatural or @SortComparator instead." );
if ( naturalSort != null || comparatorSort != null ) {
throw buildIllegalSortCombination();
}
hadExplicitSort = deprecatedSort.type() != SortType.UNSORTED;
if ( deprecatedSort.type() == SortType.NATURAL ) {
isSorted = true;
}
else if ( deprecatedSort.type() == SortType.COMPARATOR ) {
isSorted = true;
comparatorClass = deprecatedSort.comparator();
}
}
else if ( naturalSort != null ) {
if ( comparatorSort != null ) {
throw buildIllegalSortCombination();
}
hadExplicitSort = true;
}
else if ( comparatorSort != null ) {
hadExplicitSort = true;
comparatorClass = comparatorSort.value();
}
}
else {
if ( jpaOrderBy != null && sqlOrderBy != null ) {
throw new AnnotationException(
String.format(
"Illegal combination of @%s and @%s on %s",
javax.persistence.OrderBy.class.getName(),
OrderBy.class.getName(),
safeCollectionRole()
)
);
}
hadOrderBy = true;
hadExplicitSort = false;
// we can only apply the sql-based order by up front. The jpa order by has to wait for second pass
if ( sqlOrderBy != null ) {
collection.setOrderBy( sqlOrderBy.clause() );
}
}
if ( isSortedCollection ) {
if ( ! hadExplicitSort && !hadOrderBy ) {
throw new AnnotationException(
"A sorted collection must define and ordering or sorting : " + safeCollectionRole()
);
}
}
collection.setSorted( isSortedCollection || hadExplicitSort );
if ( comparatorClass != null ) {
try {
collection.setComparator( comparatorClass.newInstance() );
}
catch (Exception e) {
throw new AnnotationException(
String.format(
"Could not instantiate comparator class [%s] for %s",
comparatorClass.getName(),
safeCollectionRole()
)
);
}
}
}
private AnnotationException buildIllegalSortCombination() {
return new AnnotationException(
String.format(
"Illegal combination of annotations on %s. Only one of @%s, @%s and @%s can be used",
safeCollectionRole(),
Sort.class.getName(),
SortNatural.class.getName(),
SortComparator.class.getName()
)
);
}
private void defineFetchingStrategy() {
LazyCollection lazy = property.getAnnotation( LazyCollection.class );
Fetch fetch = property.getAnnotation( Fetch.class );
OneToMany oneToMany = property.getAnnotation( OneToMany.class );
ManyToMany manyToMany = property.getAnnotation( ManyToMany.class );
ElementCollection elementCollection = property.getAnnotation( ElementCollection.class ); //jpa 2
ManyToAny manyToAny = property.getAnnotation( ManyToAny.class );
FetchType fetchType;
if ( oneToMany != null ) {
fetchType = oneToMany.fetch();
}
else if ( manyToMany != null ) {
fetchType = manyToMany.fetch();
}
else if ( elementCollection != null ) {
fetchType = elementCollection.fetch();
}
else if ( manyToAny != null ) {
fetchType = FetchType.LAZY;
}
else {
throw new AssertionFailure(
"Define fetch strategy on a property not annotated with @ManyToOne nor @OneToMany nor @CollectionOfElements"
);
}
if ( lazy != null ) {
collection.setLazy( !( lazy.value() == LazyCollectionOption.FALSE ) );
collection.setExtraLazy( lazy.value() == LazyCollectionOption.EXTRA );
}
else {
collection.setLazy( fetchType == FetchType.LAZY );
collection.setExtraLazy( false );
}
if ( fetch != null ) {
if ( fetch.value() == org.hibernate.annotations.FetchMode.JOIN ) {
collection.setFetchMode( FetchMode.JOIN );
collection.setLazy( false );
}
else if ( fetch.value() == org.hibernate.annotations.FetchMode.SELECT ) {
collection.setFetchMode( FetchMode.SELECT );
}
else if ( fetch.value() == org.hibernate.annotations.FetchMode.SUBSELECT ) {
collection.setFetchMode( FetchMode.SELECT );
collection.setSubselectLoadable( true );
collection.getOwner().setSubselectLoadableCollections( true );
}
else {
throw new AssertionFailure( "Unknown FetchMode: " + fetch.value() );
}
}
else {
collection.setFetchMode( AnnotationBinder.getFetchMode( fetchType ) );
}
}
private XClass getCollectionType() {
if ( AnnotationBinder.isDefault( targetEntity, mappings ) ) {
if ( collectionType != null ) {
return collectionType;
}
else {
String errorMsg = "Collection has neither generic type or OneToMany.targetEntity() defined: "
+ safeCollectionRole();
throw new AnnotationException( errorMsg );
}
}
else {
return targetEntity;
}
}
public SecondPass getSecondPass(
final Ejb3JoinColumn[] fkJoinColumns,
final Ejb3JoinColumn[] keyColumns,
final Ejb3JoinColumn[] inverseColumns,
final Ejb3Column[] elementColumns,
final Ejb3Column[] mapKeyColumns,
final Ejb3JoinColumn[] mapKeyManyToManyColumns,
final boolean isEmbedded,
final XProperty property,
final XClass collType,
final boolean ignoreNotFound,
final boolean unique,
final TableBinder assocTableBinder,
final Mappings mappings) {
return new CollectionSecondPass( mappings, collection ) {
@Override
public void secondPass(java.util.Map persistentClasses, java.util.Map inheritedMetas) throws MappingException {
bindStarToManySecondPass(
persistentClasses, collType, fkJoinColumns, keyColumns, inverseColumns, elementColumns,
isEmbedded, property, unique, assocTableBinder, ignoreNotFound, mappings
);
}
};
}
/**
* return true if it's a Fk, false if it's an association table
*/
protected boolean bindStarToManySecondPass(
Map persistentClasses,
XClass collType,
Ejb3JoinColumn[] fkJoinColumns,
Ejb3JoinColumn[] keyColumns,
Ejb3JoinColumn[] inverseColumns,
Ejb3Column[] elementColumns,
boolean isEmbedded,
XProperty property,
boolean unique,
TableBinder associationTableBinder,
boolean ignoreNotFound,
Mappings mappings) {
PersistentClass persistentClass = (PersistentClass) persistentClasses.get( collType.getName() );
boolean reversePropertyInJoin = false;
if ( persistentClass != null && StringHelper.isNotEmpty( this.mappedBy ) ) {
try {
reversePropertyInJoin = 0 != persistentClass.getJoinNumber(
persistentClass.getRecursiveProperty( this.mappedBy )
);
}
catch (MappingException e) {
StringBuilder error = new StringBuilder( 80 );
error.append( "mappedBy reference an unknown target entity property: " )
.append( collType ).append( "." ).append( this.mappedBy )
.append( " in " )
.append( collection.getOwnerEntityName() )
.append( "." )
.append( property.getName() );
throw new AnnotationException( error.toString() );
}
}
if ( persistentClass != null
&& !reversePropertyInJoin
&& oneToMany
&& !this.isExplicitAssociationTable
&& ( joinColumns[0].isImplicit() && !BinderHelper.isEmptyAnnotationValue( this.mappedBy ) //implicit @JoinColumn
|| !fkJoinColumns[0].isImplicit() ) //this is an explicit @JoinColumn
) {
//this is a Foreign key
bindOneToManySecondPass(
getCollection(),
persistentClasses,
fkJoinColumns,
collType,
cascadeDeleteEnabled,
ignoreNotFound,
mappings,
inheritanceStatePerClass
);
return true;
}
else {
//this is an association table
bindManyToManySecondPass(
this.collection,
persistentClasses,
keyColumns,
inverseColumns,
elementColumns,
isEmbedded, collType,
ignoreNotFound, unique,
cascadeDeleteEnabled,
associationTableBinder,
property,
propertyHolder,
mappings
);
return false;
}
}
protected void bindOneToManySecondPass(
Collection collection,
Map persistentClasses,
Ejb3JoinColumn[] fkJoinColumns,
XClass collectionType,
boolean cascadeDeleteEnabled,
boolean ignoreNotFound,
Mappings mappings,
Map inheritanceStatePerClass) {
final boolean debugEnabled = LOG.isDebugEnabled();
if ( debugEnabled ) {
LOG.debugf( "Binding a OneToMany: %s.%s through a foreign key", propertyHolder.getEntityName(), propertyName );
}
org.hibernate.mapping.OneToMany oneToMany = new org.hibernate.mapping.OneToMany( mappings, collection.getOwner() );
collection.setElement( oneToMany );
oneToMany.setReferencedEntityName( collectionType.getName() );
oneToMany.setIgnoreNotFound( ignoreNotFound );
String assocClass = oneToMany.getReferencedEntityName();
PersistentClass associatedClass = (PersistentClass) persistentClasses.get( assocClass );
if ( jpaOrderBy != null ) {
final String orderByFragment = buildOrderByClauseFromHql(
jpaOrderBy.value(),
associatedClass,
collection.getRole()
);
if ( StringHelper.isNotEmpty( orderByFragment ) ) {
collection.setOrderBy( orderByFragment );
}
}
if ( mappings == null ) {
throw new AssertionFailure(
"CollectionSecondPass for oneToMany should not be called with null mappings"
);
}
Map joins = mappings.getJoins( assocClass );
if ( associatedClass == null ) {
throw new MappingException(
"Association references unmapped class: " + assocClass
);
}
oneToMany.setAssociatedClass( associatedClass );
for (Ejb3JoinColumn column : fkJoinColumns) {
column.setPersistentClass( associatedClass, joins, inheritanceStatePerClass );
column.setJoins( joins );
collection.setCollectionTable( column.getTable() );
}
if ( debugEnabled ) {
LOG.debugf( "Mapping collection: %s -> %s", collection.getRole(), collection.getCollectionTable().getName() );
}
bindFilters( false );
bindCollectionSecondPass( collection, null, fkJoinColumns, cascadeDeleteEnabled, property, mappings );
if ( !collection.isInverse()
&& !collection.getKey().isNullable() ) {
// for non-inverse one-to-many, with a not-null fk, add a backref!
String entityName = oneToMany.getReferencedEntityName();
PersistentClass referenced = mappings.getClass( entityName );
Backref prop = new Backref();
prop.setName( '_' + fkJoinColumns[0].getPropertyName() + '_' + fkJoinColumns[0].getLogicalColumnName() + "Backref" );
prop.setUpdateable( false );
prop.setSelectable( false );
prop.setCollectionRole( collection.getRole() );
prop.setEntityName( collection.getOwner().getEntityName() );
prop.setValue( collection.getKey() );
referenced.addProperty( prop );
}
}
private void bindFilters(boolean hasAssociationTable) {
Filter simpleFilter = property.getAnnotation( Filter.class );
//set filtering
//test incompatible choices
//if ( StringHelper.isNotEmpty( where ) ) collection.setWhere( where );
if ( simpleFilter != null ) {
if ( hasAssociationTable ) {
collection.addManyToManyFilter(simpleFilter.name(), getCondition(simpleFilter), simpleFilter.deduceAliasInjectionPoints(),
toAliasTableMap(simpleFilter.aliases()), toAliasEntityMap(simpleFilter.aliases()));
}
else {
collection.addFilter(simpleFilter.name(), getCondition(simpleFilter), simpleFilter.deduceAliasInjectionPoints(),
toAliasTableMap(simpleFilter.aliases()), toAliasEntityMap(simpleFilter.aliases()));
}
}
Filters filters = property.getAnnotation( Filters.class );
if ( filters != null ) {
for (Filter filter : filters.value()) {
if ( hasAssociationTable ) {
collection.addManyToManyFilter( filter.name(), getCondition(filter), filter.deduceAliasInjectionPoints(),
toAliasTableMap(filter.aliases()), toAliasEntityMap(filter.aliases()));
}
else {
collection.addFilter(filter.name(), getCondition(filter), filter.deduceAliasInjectionPoints(),
toAliasTableMap(filter.aliases()), toAliasEntityMap(filter.aliases()));
}
}
}
FilterJoinTable simpleFilterJoinTable = property.getAnnotation( FilterJoinTable.class );
if ( simpleFilterJoinTable != null ) {
if ( hasAssociationTable ) {
collection.addFilter(simpleFilterJoinTable.name(), simpleFilterJoinTable.condition(),
simpleFilterJoinTable.deduceAliasInjectionPoints(),
toAliasTableMap(simpleFilterJoinTable.aliases()), toAliasEntityMap(simpleFilterJoinTable.aliases()));
}
else {
throw new AnnotationException(
"Illegal use of @FilterJoinTable on an association without join table:"
+ StringHelper.qualify( propertyHolder.getPath(), propertyName )
);
}
}
FilterJoinTables filterJoinTables = property.getAnnotation( FilterJoinTables.class );
if ( filterJoinTables != null ) {
for (FilterJoinTable filter : filterJoinTables.value()) {
if ( hasAssociationTable ) {
collection.addFilter(filter.name(), filter.condition(),
filter.deduceAliasInjectionPoints(),
toAliasTableMap(filter.aliases()), toAliasEntityMap(filter.aliases()));
}
else {
throw new AnnotationException(
"Illegal use of @FilterJoinTable on an association without join table:"
+ StringHelper.qualify( propertyHolder.getPath(), propertyName )
);
}
}
}
Where where = property.getAnnotation( Where.class );
String whereClause = where == null ? null : where.clause();
if ( StringHelper.isNotEmpty( whereClause ) ) {
if ( hasAssociationTable ) {
collection.setManyToManyWhere( whereClause );
}
else {
collection.setWhere( whereClause );
}
}
WhereJoinTable whereJoinTable = property.getAnnotation( WhereJoinTable.class );
String whereJoinTableClause = whereJoinTable == null ? null : whereJoinTable.clause();
if ( StringHelper.isNotEmpty( whereJoinTableClause ) ) {
if ( hasAssociationTable ) {
collection.setWhere( whereJoinTableClause );
}
else {
throw new AnnotationException(
"Illegal use of @WhereJoinTable on an association without join table:"
+ StringHelper.qualify( propertyHolder.getPath(), propertyName )
);
}
}
// This cannot happen in annotations since the second fetch is hardcoded to join
// if ( ( ! collection.getManyToManyFilterMap().isEmpty() || collection.getManyToManyWhere() != null ) &&
// collection.getFetchMode() == FetchMode.JOIN &&
// collection.getElement().getFetchMode() != FetchMode.JOIN ) {
// throw new MappingException(
// "association with join table defining filter or where without join fetching " +
// "not valid within collection using join fetching [" + collection.getRole() + "]"
// );
// }
}
private String getCondition(FilterJoinTable filter) {
//set filtering
String name = filter.name();
String cond = filter.condition();
return getCondition( cond, name );
}
private String getCondition(Filter filter) {
//set filtering
String name = filter.name();
String cond = filter.condition();
return getCondition( cond, name );
}
private String getCondition(String cond, String name) {
if ( BinderHelper.isEmptyAnnotationValue( cond ) ) {
cond = mappings.getFilterDefinition( name ).getDefaultFilterCondition();
if ( StringHelper.isEmpty( cond ) ) {
throw new AnnotationException(
"no filter condition found for filter " + name + " in "
+ StringHelper.qualify( propertyHolder.getPath(), propertyName )
);
}
}
return cond;
}
public void setCache(Cache cacheAnn) {
if ( cacheAnn != null ) {
cacheRegionName = BinderHelper.isEmptyAnnotationValue( cacheAnn.region() ) ? null : cacheAnn.region();
cacheConcurrencyStrategy = EntityBinder.getCacheConcurrencyStrategy( cacheAnn.usage() );
}
else {
cacheConcurrencyStrategy = null;
cacheRegionName = null;
}
}
public void setOneToMany(boolean oneToMany) {
this.oneToMany = oneToMany;
}
public void setIndexColumn(IndexColumn indexColumn) {
this.indexColumn = indexColumn;
}
public void setMapKey(MapKey key) {
if ( key != null ) {
mapKeyPropertyName = key.name();
}
}
private static String buildOrderByClauseFromHql(String orderByFragment, PersistentClass associatedClass, String role) {
if ( orderByFragment != null ) {
if ( orderByFragment.length() == 0 ) {
//order by id
return "id asc";
}
else if ( "desc".equals( orderByFragment ) ) {
return "id desc";
}
}
return orderByFragment;
}
private static String adjustUserSuppliedValueCollectionOrderingFragment(String orderByFragment) {
if ( orderByFragment != null ) {
// NOTE: "$element$" is a specially recognized collection property recognized by the collection persister
if ( orderByFragment.length() == 0 ) {
//order by element
return "$element$ asc";
}
else if ( "desc".equals( orderByFragment ) ) {
return "$element$ desc";
}
}
return orderByFragment;
}
private static SimpleValue buildCollectionKey(
Collection collValue,
Ejb3JoinColumn[] joinColumns,
boolean cascadeDeleteEnabled,
XProperty property,
Mappings mappings) {
//binding key reference using column
KeyValue keyVal;
//give a chance to override the referenced property name
//has to do that here because the referencedProperty creation happens in a FKSecondPass for Many to one yuk!
if ( joinColumns.length > 0 && StringHelper.isNotEmpty( joinColumns[0].getMappedBy() ) ) {
String entityName = joinColumns[0].getManyToManyOwnerSideEntityName() != null ?
"inverse__" + joinColumns[0].getManyToManyOwnerSideEntityName() :
joinColumns[0].getPropertyHolder().getEntityName();
String propRef = mappings.getPropertyReferencedAssociation(
entityName,
joinColumns[0].getMappedBy()
);
if ( propRef != null ) {
collValue.setReferencedPropertyName( propRef );
mappings.addPropertyReference( collValue.getOwnerEntityName(), propRef );
}
}
String propRef = collValue.getReferencedPropertyName();
if ( propRef == null ) {
keyVal = collValue.getOwner().getIdentifier();
}
else {
keyVal = (KeyValue) collValue.getOwner()
.getReferencedProperty( propRef )
.getValue();
}
DependantValue key = new DependantValue( mappings, collValue.getCollectionTable(), keyVal );
key.setTypeName( null );
Ejb3Column.checkPropertyConsistency( joinColumns, collValue.getOwnerEntityName() );
key.setNullable( joinColumns.length == 0 || joinColumns[0].isNullable() );
key.setUpdateable( joinColumns.length == 0 || joinColumns[0].isUpdatable() );
key.setCascadeDeleteEnabled( cascadeDeleteEnabled );
collValue.setKey( key );
ForeignKey fk = property != null ? property.getAnnotation( ForeignKey.class ) : null;
String fkName = fk != null ? fk.name() : "";
if ( !BinderHelper.isEmptyAnnotationValue( fkName ) ) key.setForeignKeyName( fkName );
return key;
}
protected void bindManyToManySecondPass(
Collection collValue,
Map persistentClasses,
Ejb3JoinColumn[] joinColumns,
Ejb3JoinColumn[] inverseJoinColumns,
Ejb3Column[] elementColumns,
boolean isEmbedded,
XClass collType,
boolean ignoreNotFound, boolean unique,
boolean cascadeDeleteEnabled,
TableBinder associationTableBinder,
XProperty property,
PropertyHolder parentPropertyHolder,
Mappings mappings) throws MappingException {
if ( property == null ) {
throw new IllegalArgumentException( "null was passed for argument property" );
}
final PersistentClass collectionEntity = (PersistentClass) persistentClasses.get( collType.getName() );
final String hqlOrderBy = extractHqlOrderBy( jpaOrderBy );
boolean isCollectionOfEntities = collectionEntity != null;
ManyToAny anyAnn = property.getAnnotation( ManyToAny.class );
if (LOG.isDebugEnabled()) {
String path = collValue.getOwnerEntityName() + "." + joinColumns[0].getPropertyName();
if (isCollectionOfEntities && unique) LOG.debugf("Binding a OneToMany: %s through an association table", path);
else if (isCollectionOfEntities) LOG.debugf("Binding as ManyToMany: %s", path);
else if (anyAnn != null) LOG.debugf("Binding a ManyToAny: %s", path);
else LOG.debugf("Binding a collection of element: %s", path);
}
//check for user error
if ( !isCollectionOfEntities ) {
if ( property.isAnnotationPresent( ManyToMany.class ) || property.isAnnotationPresent( OneToMany.class ) ) {
String path = collValue.getOwnerEntityName() + "." + joinColumns[0].getPropertyName();
throw new AnnotationException(
"Use of @OneToMany or @ManyToMany targeting an unmapped class: " + path + "[" + collType + "]"
);
}
else if ( anyAnn != null ) {
if ( parentPropertyHolder.getJoinTable( property ) == null ) {
String path = collValue.getOwnerEntityName() + "." + joinColumns[0].getPropertyName();
throw new AnnotationException(
"@JoinTable is mandatory when @ManyToAny is used: " + path
);
}
}
else {
JoinTable joinTableAnn = parentPropertyHolder.getJoinTable( property );
if ( joinTableAnn != null && joinTableAnn.inverseJoinColumns().length > 0 ) {
String path = collValue.getOwnerEntityName() + "." + joinColumns[0].getPropertyName();
throw new AnnotationException(
"Use of @JoinTable.inverseJoinColumns targeting an unmapped class: " + path + "[" + collType + "]"
);
}
}
}
boolean mappedBy = !BinderHelper.isEmptyAnnotationValue( joinColumns[0].getMappedBy() );
if ( mappedBy ) {
if ( !isCollectionOfEntities ) {
StringBuilder error = new StringBuilder( 80 )
.append(
"Collection of elements must not have mappedBy or association reference an unmapped entity: "
)
.append( collValue.getOwnerEntityName() )
.append( "." )
.append( joinColumns[0].getPropertyName() );
throw new AnnotationException( error.toString() );
}
Property otherSideProperty;
try {
otherSideProperty = collectionEntity.getRecursiveProperty( joinColumns[0].getMappedBy() );
}
catch (MappingException e) {
StringBuilder error = new StringBuilder( 80 );
error.append( "mappedBy reference an unknown target entity property: " )
.append( collType ).append( "." ).append( joinColumns[0].getMappedBy() )
.append( " in " )
.append( collValue.getOwnerEntityName() )
.append( "." )
.append( joinColumns[0].getPropertyName() );
throw new AnnotationException( error.toString() );
}
Table table;
if ( otherSideProperty.getValue() instanceof Collection ) {
//this is a collection on the other side
table = ( (Collection) otherSideProperty.getValue() ).getCollectionTable();
}
else {
//This is a ToOne with a @JoinTable or a regular property
table = otherSideProperty.getValue().getTable();
}
collValue.setCollectionTable( table );
String entityName = collectionEntity.getEntityName();
for (Ejb3JoinColumn column : joinColumns) {
//column.setDefaultColumnHeader( joinColumns[0].getMappedBy() ); //seems not to be used, make sense
column.setManyToManyOwnerSideEntityName( entityName );
}
}
else {
//TODO: only for implicit columns?
//FIXME NamingStrategy
for (Ejb3JoinColumn column : joinColumns) {
String mappedByProperty = mappings.getFromMappedBy(
collValue.getOwnerEntityName(), column.getPropertyName()
);
Table ownerTable = collValue.getOwner().getTable();
column.setMappedBy(
collValue.getOwner().getEntityName(), mappings.getLogicalTableName( ownerTable ),
mappedByProperty
);
// String header = ( mappedByProperty == null ) ? mappings.getLogicalTableName( ownerTable ) : mappedByProperty;
// column.setDefaultColumnHeader( header );
}
if ( StringHelper.isEmpty( associationTableBinder.getName() ) ) {
//default value
associationTableBinder.setDefaultName(
collValue.getOwner().getJpaEntityName(),
mappings.getLogicalTableName( collValue.getOwner().getTable() ),
collectionEntity != null ? collectionEntity.getEntityName() : null,
collectionEntity != null ? mappings.getLogicalTableName( collectionEntity.getTable() ) : null,
joinColumns[0].getPropertyName()
);
}
associationTableBinder.setJPA2ElementCollection( !isCollectionOfEntities && property.isAnnotationPresent( ElementCollection.class ));
collValue.setCollectionTable( associationTableBinder.bind() );
}
bindFilters( isCollectionOfEntities );
bindCollectionSecondPass( collValue, collectionEntity, joinColumns, cascadeDeleteEnabled, property, mappings );
ManyToOne element = null;
if ( isCollectionOfEntities ) {
element =
new ManyToOne( mappings, collValue.getCollectionTable() );
collValue.setElement( element );
element.setReferencedEntityName( collType.getName() );
//element.setFetchMode( fetchMode );
//element.setLazy( fetchMode != FetchMode.JOIN );
//make the second join non lazy
element.setFetchMode( FetchMode.JOIN );
element.setLazy( false );
element.setIgnoreNotFound( ignoreNotFound );
// as per 11.1.38 of JPA 2.0 spec, default to primary key if no column is specified by @OrderBy.
if ( hqlOrderBy != null ) {
collValue.setManyToManyOrdering(
buildOrderByClauseFromHql( hqlOrderBy, collectionEntity, collValue.getRole() )
);
}
final ForeignKey fk = property.getAnnotation( ForeignKey.class );
String fkName = fk != null ? fk.inverseName() : "";
if ( !BinderHelper.isEmptyAnnotationValue( fkName ) ) {
element.setForeignKeyName( fkName );
}
}
else if ( anyAnn != null ) {
//@ManyToAny
//Make sure that collTyp is never used during the @ManyToAny branch: it will be set to void.class
PropertyData inferredData = new PropertyInferredData(null, property, "unsupported", mappings.getReflectionManager() );
//override the table
for (Ejb3Column column : inverseJoinColumns) {
column.setTable( collValue.getCollectionTable() );
}
Any any = BinderHelper.buildAnyValue( anyAnn.metaDef(), inverseJoinColumns, anyAnn.metaColumn(),
inferredData, cascadeDeleteEnabled, Nullability.NO_CONSTRAINT,
propertyHolder, new EntityBinder(), true, mappings );
collValue.setElement( any );
}
else {
XClass elementClass;
AnnotatedClassType classType;
CollectionPropertyHolder holder = null;
if ( BinderHelper.PRIMITIVE_NAMES.contains( collType.getName() ) ) {
classType = AnnotatedClassType.NONE;
elementClass = null;
holder = PropertyHolderBuilder.buildPropertyHolder(
collValue,
collValue.getRole(),
null,
property,
parentPropertyHolder,
mappings
);
}
else {
elementClass = collType;
classType = mappings.getClassType( elementClass );
holder = PropertyHolderBuilder.buildPropertyHolder(
collValue,
collValue.getRole(),
elementClass,
property,
parentPropertyHolder,
mappings
);
// 'parentPropertyHolder' is the PropertyHolder for the owner of the collection
// 'holder' is the CollectionPropertyHolder.
// 'property' is the collection XProperty
parentPropertyHolder.startingProperty( property );
//force in case of attribute override
boolean attributeOverride = property.isAnnotationPresent( AttributeOverride.class )
|| property.isAnnotationPresent( AttributeOverrides.class );
// todo : force in the case of Convert annotation(s) with embedded paths (beyond key/value prefixes)?
if ( isEmbedded || attributeOverride ) {
classType = AnnotatedClassType.EMBEDDABLE;
}
}
if ( AnnotatedClassType.EMBEDDABLE.equals( classType ) ) {
EntityBinder entityBinder = new EntityBinder();
PersistentClass owner = collValue.getOwner();
boolean isPropertyAnnotated;
//FIXME support @Access for collection of elements
//String accessType = access != null ? access.value() : null;
if ( owner.getIdentifierProperty() != null ) {
isPropertyAnnotated = owner.getIdentifierProperty().getPropertyAccessorName().equals( "property" );
}
else if ( owner.getIdentifierMapper() != null && owner.getIdentifierMapper().getPropertySpan() > 0 ) {
Property prop = (Property) owner.getIdentifierMapper().getPropertyIterator().next();
isPropertyAnnotated = prop.getPropertyAccessorName().equals( "property" );
}
else {
throw new AssertionFailure( "Unable to guess collection property accessor name" );
}
PropertyData inferredData;
if ( isMap() ) {
//"value" is the JPA 2 prefix for map values (used to be "element")
if ( isHibernateExtensionMapping() ) {
inferredData = new PropertyPreloadedData( AccessType.PROPERTY, "element", elementClass );
}
else {
inferredData = new PropertyPreloadedData( AccessType.PROPERTY, "value", elementClass );
}
}
else {
if ( isHibernateExtensionMapping() ) {
inferredData = new PropertyPreloadedData( AccessType.PROPERTY, "element", elementClass );
}
else {
//"collection&&element" is not a valid property name => placeholder
inferredData = new PropertyPreloadedData( AccessType.PROPERTY, "collection&&element", elementClass );
}
}
//TODO be smart with isNullable
boolean isNullable = true;
Component component = AnnotationBinder.fillComponent(
holder,
inferredData,
isPropertyAnnotated ? AccessType.PROPERTY : AccessType.FIELD,
isNullable,
entityBinder,
false,
false,
true,
mappings,
inheritanceStatePerClass
);
collValue.setElement( component );
if ( StringHelper.isNotEmpty( hqlOrderBy ) ) {
String path = collValue.getOwnerEntityName() + "." + joinColumns[0].getPropertyName();
String orderBy = adjustUserSuppliedValueCollectionOrderingFragment( hqlOrderBy );
if ( orderBy != null ) {
collValue.setOrderBy( orderBy );
}
}
}
else {
holder.prepare( property );
SimpleValueBinder elementBinder = new SimpleValueBinder();
elementBinder.setMappings( mappings );
elementBinder.setReturnedClassName( collType.getName() );
if ( elementColumns == null || elementColumns.length == 0 ) {
elementColumns = new Ejb3Column[1];
Ejb3Column column = new Ejb3Column();
column.setImplicit( false );
//not following the spec but more clean
column.setNullable( true );
column.setLength( Ejb3Column.DEFAULT_COLUMN_LENGTH );
column.setLogicalColumnName( Collection.DEFAULT_ELEMENT_COLUMN_NAME );
//TODO create an EMPTY_JOINS collection
column.setJoins( new HashMap() );
column.setMappings( mappings );
column.bind();
elementColumns[0] = column;
}
//override the table
for (Ejb3Column column : elementColumns) {
column.setTable( collValue.getCollectionTable() );
}
elementBinder.setColumns( elementColumns );
elementBinder.setType(
property,
elementClass,
collValue.getOwnerEntityName(),
holder.resolveElementAttributeConverterDefinition( elementClass )
);
elementBinder.setPersistentClassName( propertyHolder.getEntityName() );
elementBinder.setAccessType( accessType );
collValue.setElement( elementBinder.make() );
String orderBy = adjustUserSuppliedValueCollectionOrderingFragment( hqlOrderBy );
if ( orderBy != null ) {
collValue.setOrderBy( orderBy );
}
}
}
checkFilterConditions( collValue );
//FIXME: do optional = false
if ( isCollectionOfEntities ) {
bindManytoManyInverseFk( collectionEntity, inverseJoinColumns, element, unique, mappings );
}
}
private String extractHqlOrderBy(javax.persistence.OrderBy jpaOrderBy) {
if ( jpaOrderBy != null ) {
return jpaOrderBy.value(); // Null not possible. In case of empty expression, apply default ordering.
}
return null; // @OrderBy not found.
}
private static void checkFilterConditions(Collection collValue) {
//for now it can't happen, but sometime soon...
if ( ( collValue.getFilters().size() != 0 || StringHelper.isNotEmpty( collValue.getWhere() ) ) &&
collValue.getFetchMode() == FetchMode.JOIN &&
!( collValue.getElement() instanceof SimpleValue ) && //SimpleValue (CollectionOfElements) are always SELECT but it does not matter
collValue.getElement().getFetchMode() != FetchMode.JOIN ) {
throw new MappingException(
"@ManyToMany or @CollectionOfElements defining filter or where without join fetching "
+ "not valid within collection using join fetching[" + collValue.getRole() + "]"
);
}
}
private static void bindCollectionSecondPass(
Collection collValue,
PersistentClass collectionEntity,
Ejb3JoinColumn[] joinColumns,
boolean cascadeDeleteEnabled,
XProperty property,
Mappings mappings) {
try {
BinderHelper.createSyntheticPropertyReference(
joinColumns, collValue.getOwner(), collectionEntity, collValue, false, mappings
);
}
catch (AnnotationException ex) {
throw new AnnotationException( "Unable to map collection " + collectionEntity.getClassName() + "." + property.getName(), ex );
}
SimpleValue key = buildCollectionKey( collValue, joinColumns, cascadeDeleteEnabled, property, mappings );
if ( property.isAnnotationPresent( ElementCollection.class ) && joinColumns.length > 0 ) {
joinColumns[0].setJPA2ElementCollection( true );
}
TableBinder.bindFk( collValue.getOwner(), collectionEntity, joinColumns, key, false, mappings );
}
public void setCascadeDeleteEnabled(boolean onDeleteCascade) {
this.cascadeDeleteEnabled = onDeleteCascade;
}
private String safeCollectionRole() {
if ( propertyHolder != null ) {
return propertyHolder.getEntityName() + "." + propertyName;
}
else {
return "";
}
}
/**
* bind the inverse FK of a ManyToMany
* If we are in a mappedBy case, read the columns from the associated
* collection element
* Otherwise delegates to the usual algorithm
*/
public static void bindManytoManyInverseFk(
PersistentClass referencedEntity,
Ejb3JoinColumn[] columns,
SimpleValue value,
boolean unique,
Mappings mappings) {
final String mappedBy = columns[0].getMappedBy();
if ( StringHelper.isNotEmpty( mappedBy ) ) {
final Property property = referencedEntity.getRecursiveProperty( mappedBy );
Iterator mappedByColumns;
if ( property.getValue() instanceof Collection ) {
mappedByColumns = ( (Collection) property.getValue() ).getKey().getColumnIterator();
}
else {
//find the appropriate reference key, can be in a join
Iterator joinsIt = referencedEntity.getJoinIterator();
KeyValue key = null;
while ( joinsIt.hasNext() ) {
Join join = (Join) joinsIt.next();
if ( join.containsProperty( property ) ) {
key = join.getKey();
break;
}
}
if ( key == null ) key = property.getPersistentClass().getIdentifier();
mappedByColumns = key.getColumnIterator();
}
while ( mappedByColumns.hasNext() ) {
Column column = (Column) mappedByColumns.next();
columns[0].linkValueUsingAColumnCopy( column, value );
}
String referencedPropertyName =
mappings.getPropertyReferencedAssociation(
"inverse__" + referencedEntity.getEntityName(), mappedBy
);
if ( referencedPropertyName != null ) {
//TODO always a many to one?
( (ManyToOne) value ).setReferencedPropertyName( referencedPropertyName );
mappings.addUniquePropertyReference( referencedEntity.getEntityName(), referencedPropertyName );
}
( (ManyToOne) value ).setReferenceToPrimaryKey( referencedPropertyName == null );
value.createForeignKey();
}
else {
BinderHelper.createSyntheticPropertyReference( columns, referencedEntity, null, value, true, mappings );
TableBinder.bindFk( referencedEntity, null, columns, value, unique, mappings );
}
}
public void setFkJoinColumns(Ejb3JoinColumn[] ejb3JoinColumns) {
this.fkJoinColumns = ejb3JoinColumns;
}
public void setExplicitAssociationTable(boolean explicitAssocTable) {
this.isExplicitAssociationTable = explicitAssocTable;
}
public void setElementColumns(Ejb3Column[] elementColumns) {
this.elementColumns = elementColumns;
}
public void setEmbedded(boolean annotationPresent) {
this.isEmbedded = annotationPresent;
}
public void setProperty(XProperty property) {
this.property = property;
}
public void setIgnoreNotFound(boolean ignoreNotFound) {
this.ignoreNotFound = ignoreNotFound;
}
public void setMapKeyColumns(Ejb3Column[] mapKeyColumns) {
this.mapKeyColumns = mapKeyColumns;
}
public void setMapKeyManyToManyColumns(Ejb3JoinColumn[] mapJoinColumns) {
this.mapKeyManyToManyColumns = mapJoinColumns;
}
public void setLocalGenerators(HashMap localGenerators) {
this.localGenerators = localGenerators;
}
}
