org.hibernate.metamodel.internal.MetamodelImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.metamodel.internal;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArraySet;
import jakarta.persistence.EntityGraph;
import jakarta.persistence.NamedAttributeNode;
import jakarta.persistence.NamedEntityGraph;
import jakarta.persistence.NamedSubgraph;
import jakarta.persistence.metamodel.Attribute;
import jakarta.persistence.metamodel.EmbeddableType;
import jakarta.persistence.metamodel.EntityType;
import jakarta.persistence.metamodel.ManagedType;
import jakarta.persistence.metamodel.MappedSuperclassType;
import org.hibernate.EntityNameResolver;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.UnknownEntityTypeException;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.classloading.spi.ClassLoadingException;
import org.hibernate.boot.spi.MetadataImplementor;
import org.hibernate.cache.cfg.internal.DomainDataRegionConfigImpl;
import org.hibernate.cache.cfg.spi.DomainDataRegionConfig;
import org.hibernate.cache.spi.access.AccessType;
import org.hibernate.cache.spi.access.CollectionDataAccess;
import org.hibernate.cache.spi.access.EntityDataAccess;
import org.hibernate.cache.spi.access.NaturalIdDataAccess;
import org.hibernate.cfg.annotations.NamedEntityGraphDefinition;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.graph.internal.RootGraphImpl;
import org.hibernate.graph.spi.AttributeNodeImplementor;
import org.hibernate.graph.spi.GraphImplementor;
import org.hibernate.graph.spi.RootGraphImplementor;
import org.hibernate.graph.spi.SubGraphImplementor;
import org.hibernate.internal.EntityManagerMessageLogger;
import org.hibernate.internal.HEMLogging;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.internal.util.collections.ArrayHelper;
import org.hibernate.internal.util.collections.CollectionHelper;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.MappedSuperclass;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.RootClass;
import org.hibernate.metamodel.model.domain.NavigableRole;
import org.hibernate.metamodel.model.domain.internal.EntityTypeImpl;
import org.hibernate.metamodel.model.domain.internal.MappedSuperclassTypeImpl;
import org.hibernate.metamodel.model.domain.spi.EmbeddedTypeDescriptor;
import org.hibernate.metamodel.model.domain.spi.EntityTypeDescriptor;
import org.hibernate.metamodel.model.domain.spi.IdentifiableTypeDescriptor;
import org.hibernate.metamodel.model.domain.spi.ManagedTypeDescriptor;
import org.hibernate.metamodel.model.domain.spi.MappedSuperclassTypeDescriptor;
import org.hibernate.metamodel.spi.MetamodelImplementor;
import org.hibernate.persister.collection.CollectionPersister;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.persister.entity.Queryable;
import org.hibernate.persister.spi.PersisterCreationContext;
import org.hibernate.persister.spi.PersisterFactory;
import org.hibernate.tuple.entity.EntityTuplizer;
import org.hibernate.type.AssociationType;
import org.hibernate.type.Type;
import org.hibernate.type.spi.TypeConfiguration;
/**
* Hibernate implementation of the JPA {@link jakarta.persistence.metamodel.Metamodel} contract.
*
* @author Steve Ebersole
* @author Emmanuel Bernard
*/
public class MetamodelImpl implements MetamodelImplementor, Serializable {
// todo : Integrate EntityManagerLogger into CoreMessageLogger
private static final EntityManagerMessageLogger log = HEMLogging.messageLogger( MetamodelImpl.class );
private static final Object ENTITY_NAME_RESOLVER_MAP_VALUE = new Object();
private static final String INVALID_IMPORT = "";
private static final String[] EMPTY_IMPLEMENTORS = new String[0];
private final SessionFactoryImplementor sessionFactory;
private final Map imports = new ConcurrentHashMap<>();
private final Map entityPersisterMap = new ConcurrentHashMap<>();
private final Map entityProxyInterfaceMap = new ConcurrentHashMap<>();
private final Map collectionPersisterMap = new ConcurrentHashMap<>();
private final Map> collectionRolesByEntityParticipant = new ConcurrentHashMap<>();
private final ConcurrentMap entityNameResolvers = new ConcurrentHashMap<>();
private final Map, EntityTypeDescriptor> jpaEntityTypeMap = new ConcurrentHashMap<>();
private final Map> jpaEntityTypesByEntityName = new ConcurrentHashMap<>();
private final Map, MappedSuperclassType> jpaMappedSuperclassTypeMap = new ConcurrentHashMap<>();
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// NOTE : Relational/mapping information is not part of the JPA metamodel
// (type system). However, this relational/mapping info *is* part of the
// Hibernate metamodel. This is a mismatch. Normally this is not a
// problem - ignoring Hibernate's representation mode (entity mode),
// an entity (or mapped superclass) *Class* always refers to the same
// EntityType (JPA) and EntityPersister (Hibernate).. The problem is
// in regards to embeddables. For an embeddable, as with the rest of its
// metamodel, Hibernate combines the embeddable's relational/mapping
// while JPA does not. This is consistent with each's model paradigm.
// However, it causes a mismatch in that while JPA expects a single
// "type descriptor" for a given embeddable class, Hibernate incorporates
// the relational/mapping info so we have a "type descriptor" for each
// usage of that embeddable. Think embeddable versus embedded.
//
// To account for this, we track both paradigms here...
/**
* There can be multiple instances of an Embeddable type, each one being relative to its parent entity.
*/
private final Set> jpaEmbeddableTypes = new CopyOnWriteArraySet<>();
/**
* That's not strictly correct in the JPA standard since for a given Java type we could have
* multiple instances of an embeddable type. Some embeddable might override attributes, but we
* can only return a single EmbeddableTypeImpl for a given Java object class.
*
* A better approach would be if the parent class and attribute name would be included as well
* when trying to locate the embeddable type.
*/
private final Map, EmbeddedTypeDescriptor> jpaEmbeddableTypeMap = new ConcurrentHashMap<>();
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private final transient Map entityGraphMap = new ConcurrentHashMap<>();
private final TypeConfiguration typeConfiguration;
private final Map implementorsCache = new ConcurrentHashMap<>();
public MetamodelImpl(SessionFactoryImplementor sessionFactory, TypeConfiguration typeConfiguration) {
this.sessionFactory = sessionFactory;
this.typeConfiguration = typeConfiguration;
}
/**
* Prepare the metamodel using the information from the collection of Hibernate
* {@link PersistentClass} models
*
* @param mappingMetadata The mapping information
* @param jpaMetaModelPopulationSetting Should the JPA Metamodel be built as well?
*/
public void initialize(MetadataImplementor mappingMetadata, JpaMetaModelPopulationSetting jpaMetaModelPopulationSetting) {
this.imports.putAll( mappingMetadata.getImports() );
primeSecondLevelCacheRegions( mappingMetadata );
final PersisterCreationContext persisterCreationContext = new PersisterCreationContext() {
@Override
public SessionFactoryImplementor getSessionFactory() {
return sessionFactory;
}
@Override
public MetadataImplementor getMetadata() {
return mappingMetadata;
}
};
final PersisterFactory persisterFactory = sessionFactory.getServiceRegistry().getService( PersisterFactory.class );
for ( final PersistentClass model : mappingMetadata.getEntityBindings() ) {
final NavigableRole rootEntityRole = new NavigableRole( model.getRootClass().getEntityName() );
final EntityDataAccess accessStrategy = sessionFactory.getCache().getEntityRegionAccess( rootEntityRole );
final NaturalIdDataAccess naturalIdAccessStrategy = sessionFactory.getCache().getNaturalIdCacheRegionAccessStrategy( rootEntityRole );
final EntityPersister cp = persisterFactory.createEntityPersister(
model,
accessStrategy,
naturalIdAccessStrategy,
persisterCreationContext
);
entityPersisterMap.put( model.getEntityName(), cp );
if ( cp.getConcreteProxyClass() != null
&& cp.getConcreteProxyClass().isInterface()
&& !Map.class.isAssignableFrom( cp.getConcreteProxyClass() )
&& cp.getMappedClass() != cp.getConcreteProxyClass() ) {
// IMPL NOTE : we exclude Map based proxy interfaces here because that should
// indicate MAP entity mode.0
if ( cp.getMappedClass().equals( cp.getConcreteProxyClass() ) ) {
// this part handles an odd case in the Hibernate test suite where we map an interface
// as the class and the proxy. I cannot think of a real life use case for that
// specific test, but..
log.debugf( "Entity [%s] mapped same interface [%s] as class and proxy", cp.getEntityName(), cp.getMappedClass() );
}
else {
final String old = entityProxyInterfaceMap.put( cp.getConcreteProxyClass(), cp.getEntityName() );
if ( old != null ) {
throw new HibernateException(
String.format(
Locale.ENGLISH,
"Multiple entities [%s, %s] named the same interface [%s] as their proxy which is not supported",
old,
cp.getEntityName(),
cp.getConcreteProxyClass().getName()
)
);
}
}
}
}
for ( final Collection model : mappingMetadata.getCollectionBindings() ) {
final NavigableRole navigableRole = new NavigableRole( model.getRole() );
final CollectionDataAccess accessStrategy = sessionFactory.getCache().getCollectionRegionAccess(
navigableRole );
final CollectionPersister persister = persisterFactory.createCollectionPersister(
model,
accessStrategy,
persisterCreationContext
);
collectionPersisterMap.put( model.getRole(), persister );
Type indexType = persister.getIndexType();
if ( indexType != null && indexType.isAssociationType() && !indexType.isAnyType() ) {
String entityName = ( (AssociationType) indexType ).getAssociatedEntityName( sessionFactory );
Set roles = collectionRolesByEntityParticipant.get( entityName );
if ( roles == null ) {
roles = new HashSet<>();
collectionRolesByEntityParticipant.put( entityName, roles );
}
roles.add( persister.getRole() );
}
Type elementType = persister.getElementType();
if ( elementType.isAssociationType() && !elementType.isAnyType() ) {
String entityName = ( ( AssociationType ) elementType ).getAssociatedEntityName( sessionFactory );
Set roles = collectionRolesByEntityParticipant.get( entityName );
if ( roles == null ) {
roles = new HashSet<>();
collectionRolesByEntityParticipant.put( entityName, roles );
}
roles.add( persister.getRole() );
}
}
// after *all* persisters and named queries are registered
entityPersisterMap.values().forEach( EntityPersister::generateEntityDefinition );
for ( EntityPersister persister : entityPersisterMap.values() ) {
persister.postInstantiate();
registerEntityNameResolvers( persister, entityNameResolvers );
}
collectionPersisterMap.values().forEach( CollectionPersister::postInstantiate );
if ( jpaMetaModelPopulationSetting != JpaMetaModelPopulationSetting.DISABLED ) {
MetadataContext context = new MetadataContext(
sessionFactory,
mappingMetadata.getMappedSuperclassMappingsCopy(),
jpaMetaModelPopulationSetting
);
for ( PersistentClass entityBinding : mappingMetadata.getEntityBindings() ) {
locateOrBuildEntityType( entityBinding, context );
}
handleUnusedMappedSuperclasses( context );
context.wrapUp();
this.jpaEntityTypeMap.putAll( context.getEntityTypeMap() );
this.jpaEmbeddableTypes.addAll( context.getEmbeddableTypeSet() );
for ( EmbeddedTypeDescriptor embeddable: jpaEmbeddableTypes ) {
this.jpaEmbeddableTypeMap.put( embeddable.getJavaType(), embeddable );
}
this.jpaMappedSuperclassTypeMap.putAll( context.getMappedSuperclassTypeMap() );
this.jpaEntityTypesByEntityName.putAll( context.getEntityTypesByEntityName() );
applyNamedEntityGraphs( mappingMetadata.getNamedEntityGraphs().values() );
}
}
private void primeSecondLevelCacheRegions(MetadataImplementor mappingMetadata) {
final Map regionConfigBuilders = new ConcurrentHashMap<>();
// todo : ultimately this code can be made more efficient when we have a better intrinsic understanding of the hierarchy as a whole
for ( PersistentClass bootEntityDescriptor : mappingMetadata.getEntityBindings() ) {
final AccessType accessType = AccessType.fromExternalName( bootEntityDescriptor.getCacheConcurrencyStrategy() );
if ( accessType != null ) {
if ( bootEntityDescriptor.isCached() ) {
regionConfigBuilders.computeIfAbsent( bootEntityDescriptor.getRootClass().getCacheRegionName(), DomainDataRegionConfigImpl.Builder::new )
.addEntityConfig( bootEntityDescriptor, accessType );
}
if ( RootClass.class.isInstance( bootEntityDescriptor )
&& bootEntityDescriptor.hasNaturalId()
&& bootEntityDescriptor.getNaturalIdCacheRegionName() != null ) {
regionConfigBuilders.computeIfAbsent( bootEntityDescriptor.getNaturalIdCacheRegionName(), DomainDataRegionConfigImpl.Builder::new )
.addNaturalIdConfig( (RootClass) bootEntityDescriptor, accessType );
}
}
}
for ( Collection collection : mappingMetadata.getCollectionBindings() ) {
final AccessType accessType = AccessType.fromExternalName( collection.getCacheConcurrencyStrategy() );
if ( accessType != null ) {
regionConfigBuilders.computeIfAbsent( collection.getCacheRegionName(), DomainDataRegionConfigImpl.Builder::new )
.addCollectionConfig( collection, accessType );
}
}
final Set regionConfigs;
if ( regionConfigBuilders.isEmpty() ) {
regionConfigs = Collections.emptySet();
}
else {
regionConfigs = new HashSet<>();
for ( DomainDataRegionConfigImpl.Builder builder : regionConfigBuilders.values() ) {
regionConfigs.add( builder.build() );
}
}
getSessionFactory().getCache().prime( regionConfigs );
}
@SuppressWarnings("unchecked")
private void applyNamedEntityGraphs(java.util.Collection namedEntityGraphs) {
for ( NamedEntityGraphDefinition definition : namedEntityGraphs ) {
log.debugf(
"Applying named entity graph [name=%s, entity-name=%s, jpa-entity-name=%s",
definition.getRegisteredName(),
definition.getEntityName(),
definition.getJpaEntityName()
);
final EntityTypeDescriptor entityType = entity( definition.getEntityName() );
if ( entityType == null ) {
throw new IllegalArgumentException(
"Attempted to register named entity graph [" + definition.getRegisteredName()
+ "] for unknown entity ["+ definition.getEntityName() + "]"
);
}
final RootGraphImpl entityGraph = new RootGraphImpl(
definition.getRegisteredName(),
entityType,
this.getSessionFactory()
);
final NamedEntityGraph namedEntityGraph = definition.getAnnotation();
if ( namedEntityGraph.includeAllAttributes() ) {
for ( Object attributeObject : entityType.getAttributes() ) {
entityGraph.addAttributeNodes( (Attribute) attributeObject );
}
}
if ( namedEntityGraph.attributeNodes() != null ) {
applyNamedAttributeNodes( namedEntityGraph.attributeNodes(), namedEntityGraph, entityGraph );
}
entityGraphMap.put( definition.getRegisteredName(), entityGraph );
}
}
private void applyNamedAttributeNodes(
NamedAttributeNode[] namedAttributeNodes,
NamedEntityGraph namedEntityGraph,
GraphImplementor graphNode) {
for ( NamedAttributeNode namedAttributeNode : namedAttributeNodes ) {
final String value = namedAttributeNode.value();
AttributeNodeImplementor attributeNode = graphNode.addAttributeNode( value );
if ( StringHelper.isNotEmpty( namedAttributeNode.subgraph() ) ) {
final SubGraphImplementor subgraph = attributeNode.makeSubGraph();
applyNamedSubgraphs(
namedEntityGraph,
namedAttributeNode.subgraph(),
subgraph
);
}
if ( StringHelper.isNotEmpty( namedAttributeNode.keySubgraph() ) ) {
final SubGraphImplementor subgraph = attributeNode.makeKeySubGraph();
applyNamedSubgraphs(
namedEntityGraph,
namedAttributeNode.keySubgraph(),
subgraph
);
}
}
}
private void applyNamedSubgraphs(NamedEntityGraph namedEntityGraph, String subgraphName, SubGraphImplementor subgraph) {
for ( NamedSubgraph namedSubgraph : namedEntityGraph.subgraphs() ) {
if ( subgraphName.equals( namedSubgraph.name() ) ) {
applyNamedAttributeNodes(
namedSubgraph.attributeNodes(),
namedEntityGraph,
subgraph
);
}
}
}
@Override
public java.util.Collection getEntityNameResolvers() {
return entityNameResolvers.keySet();
}
private static void registerEntityNameResolvers(EntityPersister persister, Map entityNameResolvers) {
if ( persister.getEntityMetamodel() == null || persister.getEntityMetamodel().getTuplizer() == null ) {
return;
}
registerEntityNameResolvers( persister.getEntityMetamodel().getTuplizer(), entityNameResolvers );
}
private static void registerEntityNameResolvers(EntityTuplizer tuplizer, Map entityNameResolvers) {
EntityNameResolver[] resolvers = tuplizer.getEntityNameResolvers();
if ( resolvers == null ) {
return;
}
for ( EntityNameResolver resolver : resolvers ) {
entityNameResolvers.put( resolver, ENTITY_NAME_RESOLVER_MAP_VALUE );
}
}
private static void handleUnusedMappedSuperclasses(MetadataContext context) {
final Set unusedMappedSuperclasses = context.getUnusedMappedSuperclasses();
if ( !unusedMappedSuperclasses.isEmpty() ) {
for ( MappedSuperclass mappedSuperclass : unusedMappedSuperclasses ) {
log.unusedMappedSuperclass( mappedSuperclass.getMappedClass().getName() );
locateOrBuildMappedSuperclassType( mappedSuperclass, context );
}
}
}
private static EntityTypeDescriptor locateOrBuildEntityType(PersistentClass persistentClass, MetadataContext context) {
EntityTypeDescriptor entityType = context.locateEntityType( persistentClass );
if ( entityType == null ) {
entityType = buildEntityType( persistentClass, context );
}
return entityType;
}
//TODO remove / reduce @SW scope
@SuppressWarnings("unchecked")
private static EntityTypeImpl buildEntityType(PersistentClass persistentClass, MetadataContext context) {
final Class javaType = persistentClass.getMappedClass();
context.pushEntityWorkedOn( persistentClass );
final MappedSuperclass superMappedSuperclass = persistentClass.getSuperMappedSuperclass();
IdentifiableTypeDescriptor superType = superMappedSuperclass == null
? null
: locateOrBuildMappedSuperclassType( superMappedSuperclass, context );
//no mappedSuperclass, check for a super entity
if ( superType == null ) {
final PersistentClass superPersistentClass = persistentClass.getSuperclass();
superType = superPersistentClass == null
? null
: locateOrBuildEntityType( superPersistentClass, context );
}
EntityTypeImpl entityType = new EntityTypeImpl(
javaType,
superType,
persistentClass,
context.getSessionFactory()
);
context.registerEntityType( persistentClass, entityType );
context.popEntityWorkedOn( persistentClass );
return entityType;
}
private static MappedSuperclassTypeDescriptor locateOrBuildMappedSuperclassType(
MappedSuperclass mappedSuperclass, MetadataContext context) {
MappedSuperclassTypeDescriptor mappedSuperclassType = context.locateMappedSuperclassType( mappedSuperclass );
if ( mappedSuperclassType == null ) {
mappedSuperclassType = buildMappedSuperclassType( mappedSuperclass, context );
}
return mappedSuperclassType;
}
//TODO remove / reduce @SW scope
@SuppressWarnings("unchecked")
private static MappedSuperclassTypeImpl buildMappedSuperclassType(
MappedSuperclass mappedSuperclass,
MetadataContext context) {
final MappedSuperclass superMappedSuperclass = mappedSuperclass.getSuperMappedSuperclass();
IdentifiableTypeDescriptor superType = superMappedSuperclass == null
? null
: locateOrBuildMappedSuperclassType( superMappedSuperclass, context );
//no mappedSuperclass, check for a super entity
if ( superType == null ) {
final PersistentClass superPersistentClass = mappedSuperclass.getSuperPersistentClass();
superType = superPersistentClass == null
? null
: locateOrBuildEntityType( superPersistentClass, context );
}
final Class javaType = mappedSuperclass.getMappedClass();
MappedSuperclassTypeImpl mappedSuperclassType = new MappedSuperclassTypeImpl(
javaType,
mappedSuperclass,
superType,
context.getSessionFactory()
);
context.registerMappedSuperclassType( mappedSuperclass, mappedSuperclassType );
return mappedSuperclassType;
}
// /**
// * Instantiate the metamodel.
// *
// * @param entityNameResolvers
// * @param entities The entity mappings.
// * @param embeddables The embeddable (component) mappings.
// * @param mappedSuperclassTypeMap The {@link jakarta.persistence.MappedSuperclass} mappings
// */
// private MetamodelImpl(
// SessionFactoryImplementor sessionFactory,
// Map imports,
// Map entityPersisterMap,
// Map entityProxyInterfaceMap,
// ConcurrentHashMap entityNameResolvers,
// Map collectionPersisterMap,
// Map> collectionRolesByEntityParticipant,
// Map, EntityTypeImpl> entities,
// Map, EmbeddableTypeImpl> embeddables,
// Map, MappedSuperclassType> mappedSuperclassTypeMap,
// Map> entityTypesByEntityName) {
// this.sessionFactory = sessionFactory;
// this.imports = imports;
// this.entityPersisterMap = entityPersisterMap;
// this.entityProxyInterfaceMap = entityProxyInterfaceMap;
// this.entityNameResolvers = entityNameResolvers;
// this.collectionPersisterMap = collectionPersisterMap;
// this.collectionRolesByEntityParticipant = collectionRolesByEntityParticipant;
// this.entities = entities;
// this.embeddables = embeddables;
// this.mappedSuperclassTypeMap = mappedSuperclassTypeMap;
// this.entityTypesByEntityName = entityTypesByEntityName;
// }
@Override
public TypeConfiguration getTypeConfiguration() {
return typeConfiguration;
}
@Override
public SessionFactoryImplementor getSessionFactory() {
return sessionFactory;
}
@Override
@SuppressWarnings({"unchecked"})
public EntityTypeDescriptor entity(Class cls) {
final EntityType entityType = jpaEntityTypeMap.get( cls );
if ( entityType == null ) {
throw new IllegalArgumentException( "Not an entity: " + cls );
}
return (EntityTypeDescriptor) entityType;
}
@Override
@SuppressWarnings({"unchecked"})
public ManagedTypeDescriptor managedType(Class cls) {
ManagedType type = jpaEntityTypeMap.get( cls );
if ( type == null ) {
type = jpaMappedSuperclassTypeMap.get( cls );
}
if ( type == null ) {
type = jpaEmbeddableTypeMap.get( cls );
}
if ( type == null ) {
throw new IllegalArgumentException( "Not a managed type: " + cls );
}
return (ManagedTypeDescriptor) type;
}
@Override
@SuppressWarnings({"unchecked"})
public EmbeddedTypeDescriptor embeddable(Class cls) {
final EmbeddedTypeDescriptor embeddableType = jpaEmbeddableTypeMap.get( cls );
if ( embeddableType == null ) {
throw new IllegalArgumentException( "Not an embeddable: " + cls );
}
return (EmbeddedTypeDescriptor) embeddableType;
}
@Override
public Set> getManagedTypes() {
final int setSize = CollectionHelper.determineProperSizing(
jpaEntityTypeMap.size() + jpaMappedSuperclassTypeMap.size() + jpaEmbeddableTypes.size()
);
final Set> managedTypes = new HashSet<>( setSize );
managedTypes.addAll( jpaEntityTypesByEntityName.values() );
managedTypes.addAll( jpaMappedSuperclassTypeMap.values() );
managedTypes.addAll( jpaEmbeddableTypes );
return managedTypes;
}
@Override
public Set> getEntities() {
return new HashSet<>( jpaEntityTypesByEntityName.values() );
}
@Override
public Set> getEmbeddables() {
return new HashSet<>( jpaEmbeddableTypes );
}
@Override
@SuppressWarnings("unchecked")
public EntityTypeDescriptor entity(String entityName) {
return (EntityTypeDescriptor) jpaEntityTypesByEntityName.get( entityName );
}
@Override
public String getImportedClassName(String className) {
String result = imports.get( className );
if ( result == null ) {
try {
sessionFactory.getServiceRegistry().getService( ClassLoaderService.class ).classForName( className );
imports.put( className, className );
return className;
}
catch ( ClassLoadingException cnfe ) {
imports.put( className, INVALID_IMPORT );
return null;
}
}
else {
// explicitly check for same instance
//noinspection StringEquality
if ( result == INVALID_IMPORT ) {
return null;
}
else {
return result;
}
}
}
@Override
public String[] getImplementors(String className) throws MappingException {
// computeIfAbsent() can be a contention point and we expect all the values to be in the map at some point so
// let's do an optimistic check first
String[] implementors = implementorsCache.get( className );
if ( implementors != null ) {
return Arrays.copyOf( implementors, implementors.length );
}
try {
final Class clazz = getSessionFactory().getServiceRegistry().getService( ClassLoaderService.class ).classForName( className );
implementors = doGetImplementors( clazz );
if ( implementors.length > 0 ) {
implementorsCache.putIfAbsent( className, implementors );
return Arrays.copyOf( implementors, implementors.length );
}
else {
return EMPTY_IMPLEMENTORS;
}
}
catch (ClassLoadingException e) {
return new String[]{ className }; // we don't cache anything for dynamic classes
}
}
@Override
public Map entityPersisters() {
return entityPersisterMap;
}
@Override
public CollectionPersister collectionPersister(String role) {
final CollectionPersister persister = collectionPersisterMap.get( role );
if ( persister == null ) {
throw new MappingException( "Could not locate CollectionPersister for role : " + role );
}
return persister;
}
@Override
public Map collectionPersisters() {
return collectionPersisterMap;
}
@Override
public EntityPersister entityPersister(Class entityClass) {
return entityPersister( entityClass.getName() );
}
@Override
public EntityPersister entityPersister(String entityName) throws MappingException {
EntityPersister result = entityPersisterMap.get( entityName );
if ( result == null ) {
throw new MappingException( "Unknown entity: " + entityName );
}
return result;
}
@Override
public EntityPersister locateEntityPersister(Class byClass) {
EntityPersister entityPersister = entityPersisterMap.get( byClass.getName() );
if ( entityPersister == null ) {
String mappedEntityName = entityProxyInterfaceMap.get( byClass );
if ( mappedEntityName != null ) {
entityPersister = entityPersisterMap.get( mappedEntityName );
}
}
if ( entityPersister == null ) {
throw new UnknownEntityTypeException( "Unable to locate persister: " + byClass.getName() );
}
return entityPersister;
}
@Override
public EntityPersister locateEntityPersister(String byName) {
final EntityPersister entityPersister = entityPersisterMap.get( byName );
if ( entityPersister == null ) {
throw new UnknownEntityTypeException( "Unable to locate persister: " + byName );
}
return entityPersister;
}
@Override
public Set getCollectionRolesByEntityParticipant(String entityName) {
return collectionRolesByEntityParticipant.get( entityName );
}
@Override
public String[] getAllEntityNames() {
return ArrayHelper.toStringArray( entityPersisterMap.keySet() );
}
@Override
public String[] getAllCollectionRoles() {
return ArrayHelper.toStringArray( collectionPersisterMap.keySet() );
}
@Override
public void addNamedEntityGraph(String graphName, RootGraphImplementor entityGraph) {
final EntityGraph old = entityGraphMap.put(
graphName,
entityGraph.makeImmutableCopy( graphName )
);
if ( old != null ) {
log.debugf( "EntityGraph being replaced on EntityManagerFactory for name %s", graphName );
}
}
@Override
public void addNamedEntityGraph(String graphName, EntityGraph entityGraph) {
addNamedEntityGraph( graphName, (RootGraphImplementor) entityGraph );
}
@Override
@SuppressWarnings("unchecked")
public RootGraphImplementor findEntityGraphByName(String name) {
return entityGraphMap.get( name );
}
@Override
@SuppressWarnings("unchecked")
public List> findEntityGraphsByJavaType(Class entityClass) {
final EntityTypeDescriptor entityType = entity( entityClass );
if ( entityType == null ) {
throw new IllegalArgumentException( "Given class is not an entity : " + entityClass.getName() );
}
final List> results = new ArrayList<>();
for ( EntityGraph entityGraph : entityGraphMap.values() ) {
if ( !RootGraphImplementor.class.isInstance( entityGraph ) ) {
continue;
}
final RootGraphImplementor egi = (RootGraphImplementor) entityGraph;
if ( egi.appliesTo( entityType ) ) {
results.add( egi );
}
}
return results;
}
@Override
public void close() {
// anything to do ?
}
private String[] doGetImplementors(Class clazz) throws MappingException {
ArrayList results = new ArrayList<>();
for ( EntityPersister checkPersister : entityPersisters().values() ) {
if ( !Queryable.class.isInstance( checkPersister ) ) {
continue;
}
final Queryable checkQueryable = Queryable.class.cast( checkPersister );
final String checkQueryableEntityName = checkQueryable.getEntityName();
final boolean isMappedClass = clazz.getName().equals( checkQueryableEntityName );
if ( checkQueryable.isExplicitPolymorphism() ) {
if ( isMappedClass ) {
return new String[]{ clazz.getName() }; // NOTE EARLY EXIT
}
}
else {
if ( isMappedClass ) {
results.add( checkQueryableEntityName );
}
else {
final Class mappedClass = checkQueryable.getMappedClass();
if ( mappedClass != null && clazz.isAssignableFrom( mappedClass ) ) {
final boolean assignableSuperclass;
if ( checkQueryable.isInherited() ) {
Class mappedSuperclass = entityPersister( checkQueryable.getMappedSuperclass() ).getMappedClass();
assignableSuperclass = clazz.isAssignableFrom( mappedSuperclass );
}
else {
assignableSuperclass = false;
}
if ( !assignableSuperclass ) {
results.add( checkQueryableEntityName );
}
}
}
}
}
return results.toArray( new String[results.size()] );
}
}
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