HSEARCH-3277 Avoid deprecated Hibernate ORM SPIs

mapper/orm-batch-jsr352/core/src/main/java/org/hibernate/search/batch/jsr352/core/context/jpa/impl/ActiveSessionFactoryRegistryUpdater.java

@@ -7,6 +7,7 @@
 package org.hibernate.search.batch.jsr352.core.context.jpa.impl;
 
 import org.hibernate.boot.Metadata;
+import org.hibernate.boot.spi.BootstrapContext;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.integrator.spi.Integrator;
 import org.hibernate.service.spi.SessionFactoryServiceRegistry;
@@ -17,7 +18,8 @@
 public class ActiveSessionFactoryRegistryUpdater implements Integrator {
 
 	@Override
-	public void integrate(Metadata metadata, SessionFactoryImplementor sessionFactory, SessionFactoryServiceRegistry serviceRegistry) {
+	public void integrate(Metadata metadata, BootstrapContext bootstrapContext,
+			SessionFactoryImplementor sessionFactory) {
 		ActiveSessionFactoryRegistry.getInstance().register( sessionFactory );
 	}
 

mapper/orm-batch-jsr352/core/src/main/java/org/hibernate/search/batch/jsr352/core/massindexing/util/impl/PersistenceUtil.java

@@ -18,7 +18,7 @@
 import org.hibernate.StatelessSession;
 import org.hibernate.StatelessSessionBuilder;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
-import org.hibernate.metamodel.spi.MetamodelImplementor;
+import org.hibernate.metamodel.MappingMetamodel;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.search.batch.jsr352.core.massindexing.step.impl.IndexScope;
 import org.hibernate.search.util.common.impl.StringHelper;
@@ -93,15 +93,15 @@ public static IndexScope getIndexScope(String hql) {
 	public static List<EntityTypeDescriptor> createDescriptors(EntityManagerFactory entityManagerFactory, Set<Class<?>> types) {
 		SessionFactoryImplementor sessionFactory = entityManagerFactory.unwrap( SessionFactoryImplementor.class );
 		List<EntityTypeDescriptor> result = new ArrayList<>( types.size() );
-		MetamodelImplementor metamodel = sessionFactory.getMetamodel();
+		MappingMetamodel metamodel = sessionFactory.getMetamodel();
 		for ( Class<?> type : types ) {
 			result.add( createDescriptor( metamodel, type ) );
 		}
 		return result;
 	}
 
-	private static <T> EntityTypeDescriptor createDescriptor(MetamodelImplementor metamodel, Class<T> type) {
-		EntityPersister entityPersister = metamodel.entityPersister( type );
+	private static <T> EntityTypeDescriptor createDescriptor(MappingMetamodel metamodel, Class<T> type) {
+		EntityPersister entityPersister = metamodel.findEntityDescriptor( type );
 		IdOrder idOrder = createIdOrder( entityPersister );
 		return new EntityTypeDescriptor( type, idOrder );
 	}

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/bootstrap/impl/HibernateSearchIntegrator.java

@@ -12,7 +12,6 @@
 
 import org.hibernate.boot.Metadata;
 import org.hibernate.boot.spi.BootstrapContext;
-import org.hibernate.boot.spi.MetadataImplementor;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.integrator.spi.Integrator;
 
@@ -30,19 +29,16 @@
 public class HibernateSearchIntegrator implements Integrator {
 
 	@Override
-	public void integrate(Metadata metadata, SessionFactoryImplementor sessionFactory,
-			SessionFactoryServiceRegistry serviceRegistry) {
+	public void integrate(Metadata metadata, BootstrapContext bootstrapContext,
+			SessionFactoryImplementor sessionFactory) {
 		Optional<HibernateSearchPreIntegrationService> preIntegrationServiceOptional =
-				HibernateOrmUtils.getServiceOrEmpty( serviceRegistry, HibernateSearchPreIntegrationService.class );
+				HibernateOrmUtils.getServiceOrEmpty( bootstrapContext.getServiceRegistry(), HibernateSearchPreIntegrationService.class );
 
 		if ( !preIntegrationServiceOptional.isPresent() ) {
 			// Hibernate Search is disabled
 			return;
 		}
 
-		// TODO When we'll move to Hibernate ORM 6, use the bootstrapContext parameter passed to the integrate() method
-		BootstrapContext bootstrapContext = ( (MetadataImplementor) metadata ).getTypeConfiguration()
-				.getMetadataBuildingContext().getBootstrapContext();
 		HibernateOrmIntegrationBooterImpl booter = new HibernateOrmIntegrationBooterImpl.BuilderImpl( metadata, bootstrapContext )
 				.build();
 		// Orchestrate bootstrap and shutdown

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/common/impl/HibernateOrmUtils.java

@@ -21,7 +21,7 @@
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.engine.spi.SessionImplementor;
 import org.hibernate.mapping.Property;
-import org.hibernate.metamodel.spi.MetamodelImplementor;
+import org.hibernate.metamodel.MappingMetamodel;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.search.mapper.orm.logging.impl.Log;
 import org.hibernate.search.util.common.annotation.impl.SuppressForbiddenApis;
@@ -77,12 +77,12 @@ public static EntityPersister toRootEntityType(SessionFactoryImplementor session
 		 * where A and C are entity types and B is a mapped superclass.
 		 * So we need to exclude non-entity types, and for that we need the Hibernate ORM metamodel.
 		 */
-		MetamodelImplementor metamodel = sessionFactory.getMetamodel();
+		MappingMetamodel metamodel = sessionFactory.getMetamodel();
 		String rootEntityName = entityType.getRootEntityName();
-		return metamodel.entityPersister( rootEntityName );
+		return metamodel.getEntityDescriptor( rootEntityName );
 	}
 
-	public static EntityPersister toMostSpecificCommonEntitySuperType(MetamodelImplementor metamodel,
+	public static EntityPersister toMostSpecificCommonEntitySuperType(MappingMetamodel metamodel,
 			EntityPersister type1, EntityPersister type2) {
 		/*
 		 * We need to rely on Hibernate ORM's SPIs: this is complex stuff.
@@ -95,7 +95,7 @@ public static EntityPersister toMostSpecificCommonEntitySuperType(MetamodelImple
 		while ( superTypeCandidate != null && !isSuperTypeOf( superTypeCandidate, type2 ) ) {
 			String superSuperTypeEntityName = superTypeCandidate.getEntityMetamodel().getSuperclass();
 			superTypeCandidate = superSuperTypeEntityName == null ? null
-					: metamodel.entityPersister( superSuperTypeEntityName ).getEntityPersister();
+					: metamodel.getEntityDescriptor( superSuperTypeEntityName ).getEntityPersister();
 		}
 		if ( superTypeCandidate == null ) {
 			throw new AssertionFailure(
@@ -116,10 +116,10 @@ public static boolean targetsAllConcreteSubTypes(SessionFactoryImplementor sessi
 			return true;
 		}
 
-		MetamodelImplementor metamodel = sessionFactory.getMetamodel();
+		MappingMetamodel metamodel = sessionFactory.getMetamodel();
 		int concreteSubTypesCount = 0;
 		for ( String subClassEntityName : subClassEntityNames ) {
-			if ( !metamodel.entityPersister( subClassEntityName ).getEntityMetamodel().isAbstract() ) {
+			if ( !metamodel.getEntityDescriptor( subClassEntityName ).getEntityMetamodel().isAbstract() ) {
 				++concreteSubTypesCount;
 			}
 		}

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/loading/impl/HibernateOrmEntityIdEntityLoadingStrategy.java

@@ -12,7 +12,7 @@
 import org.hibernate.AssertionFailure;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.engine.spi.SessionImplementor;
-import org.hibernate.metamodel.spi.MetamodelImplementor;
+import org.hibernate.metamodel.MappingMetamodel;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.search.mapper.orm.common.impl.HibernateOrmUtils;
 import org.hibernate.search.mapper.orm.search.loading.EntityLoadingCacheLookupStrategy;
@@ -149,7 +149,7 @@ private PojoSelectionEntityLoader<?> doCreate(EntityPersister entityPersister,
 
 	private static EntityPersister toMostSpecificCommonEntitySuperType(SessionImplementor session,
 			Iterable<? extends LoadingTypeContext<?>> targetEntityTypeContexts) {
-		MetamodelImplementor metamodel = session.getSessionFactory().getMetamodel();
+		MappingMetamodel metamodel = session.getSessionFactory().getMetamodel();
 		EntityPersister result = null;
 		for ( LoadingTypeContext<?> targetTypeContext : targetEntityTypeContexts ) {
 			EntityPersister type = targetTypeContext.entityPersister();

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/loading/impl/TypeQueryFactory.java

@@ -14,7 +14,7 @@
 import org.hibernate.engine.spi.SessionImplementor;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
 import org.hibernate.metamodel.model.domain.EntityDomainType;
-import org.hibernate.metamodel.spi.MetamodelImplementor;
+import org.hibernate.metamodel.model.domain.JpaMetamodel;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.query.Query;
 import org.hibernate.search.mapper.orm.massindexing.impl.ConditionalExpression;
@@ -23,7 +23,7 @@ public interface TypeQueryFactory<E, I> {
 
 	static TypeQueryFactory<?, ?> create(SessionFactoryImplementor sessionFactory, EntityPersister entityPersister,
 			String uniquePropertyName) {
-		MetamodelImplementor metamodel = sessionFactory.getMetamodel();
+		JpaMetamodel metamodel = sessionFactory.getMetamodel();
 		EntityDomainType<?> typeOrNull = metamodel.entity( entityPersister.getEntityName() );
 		if ( typeOrNull != null && !( entityPersister.getMappedClass().equals( Map.class ) ) ) {
 			return CriteriaTypeQueryFactory.create( typeOrNull, uniquePropertyName );

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/mapping/impl/AbstractHibernateOrmTypeContext.java

@@ -10,7 +10,7 @@
 import java.util.stream.Collectors;
 
 import org.hibernate.engine.spi.SessionFactoryImplementor;
-import org.hibernate.metamodel.spi.MetamodelImplementor;
+import org.hibernate.metamodel.MappingMetamodel;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.search.mapper.orm.event.impl.HibernateOrmListenerTypeContext;
 import org.hibernate.search.mapper.orm.loading.impl.HibernateOrmEntityIdEntityLoadingStrategy;
@@ -44,8 +44,8 @@ abstract class AbstractHibernateOrmTypeContext<E>
 	AbstractHibernateOrmTypeContext(AbstractBuilder<E> builder, SessionFactoryImplementor sessionFactory) {
 		this.typeIdentifier = builder.typeIdentifier;
 		this.jpaEntityName = builder.jpaEntityName;
-		MetamodelImplementor metamodel = sessionFactory.getMetamodel();
-		this.entityPersister = metamodel.entityPersister( builder.hibernateOrmEntityName );
+		MappingMetamodel metamodel = sessionFactory.getMetamodel();
+		this.entityPersister = metamodel.getEntityDescriptor( builder.hibernateOrmEntityName );
 		this.identifierMapping = builder.identifierMapping;
 		this.ascendingSuperTypes = builder.ascendingSuperTypes;
 		if ( builder.documentIdSourcePropertyName != null ) {