HSEARCH-3269 Expose batch mapping and session ctx

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

@@ -53,6 +53,7 @@
 import org.hibernate.search.mapper.orm.automaticindexing.session.impl.ConfiguredAutomaticIndexingSynchronizationStrategy;
 import org.hibernate.search.mapper.orm.session.impl.HibernateOrmSearchSession;
 import org.hibernate.search.mapper.orm.session.impl.HibernateOrmSearchSessionMappingContext;
+import org.hibernate.search.mapper.orm.spi.BatchMappingContext;
 import org.hibernate.search.mapper.pojo.mapping.spi.AbstractPojoMappingImplementor;
 import org.hibernate.search.mapper.pojo.mapping.spi.PojoMappingDelegate;
 import org.hibernate.search.mapper.pojo.model.spi.PojoRawTypeIdentifier;
@@ -64,7 +65,7 @@
 
 public class HibernateOrmMapping extends AbstractPojoMappingImplementor<HibernateOrmMapping>
 		implements SearchMapping, HibernateOrmMappingContext,
-				HibernateOrmListenerContextProvider,
+				HibernateOrmListenerContextProvider, BatchMappingContext,
 				HibernateOrmScopeMappingContext, HibernateOrmSearchSessionMappingContext {
 
 	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );

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

@@ -19,11 +19,13 @@
 import org.hibernate.search.mapper.orm.event.impl.HibernateOrmListenerTypeContextProvider;
 import org.hibernate.search.mapper.orm.model.impl.HibernateOrmRawTypeIdentifierResolver;
 import org.hibernate.search.mapper.orm.session.impl.HibernateOrmSessionTypeContextProvider;
+import org.hibernate.search.mapper.orm.spi.BatchTypeIdentifierProvider;
 import org.hibernate.search.mapper.pojo.model.spi.PojoRawTypeIdentifier;
 import org.hibernate.search.mapper.pojo.model.spi.PojoRawTypeModel;
 import org.hibernate.search.util.common.logging.impl.LoggerFactory;
 
-class HibernateOrmTypeContextContainer implements HibernateOrmListenerTypeContextProvider, HibernateOrmSessionTypeContextProvider {
+class HibernateOrmTypeContextContainer implements HibernateOrmListenerTypeContextProvider,
+		HibernateOrmSessionTypeContextProvider, BatchTypeIdentifierProvider {
 
 	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );
 

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/scope/impl/HibernateOrmScopeSessionContext.java

@@ -9,9 +9,10 @@
 import org.hibernate.search.engine.backend.session.spi.BackendSessionContext;
 import org.hibernate.search.mapper.orm.massindexing.impl.HibernateOrmMassIndexingSessionContext;
 import org.hibernate.search.mapper.orm.search.loading.impl.HibernateOrmLoadingSessionContext;
+import org.hibernate.search.mapper.orm.spi.BatchSessionContext;
 
 public interface HibernateOrmScopeSessionContext
-		extends HibernateOrmLoadingSessionContext, HibernateOrmMassIndexingSessionContext {
+		extends HibernateOrmLoadingSessionContext, HibernateOrmMassIndexingSessionContext, BatchSessionContext {
 
 	BackendSessionContext backendSessionContext();
 

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/spi/BatchMappingContext.java

@@ -0,0 +1,17 @@
+/*
+ * Hibernate Search, full-text search for your domain model
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.search.mapper.orm.spi;
+
+import javax.persistence.EntityManager;
+
+public interface BatchMappingContext {
+
+	BatchTypeIdentifierProvider typeContextProvider();
+
+	BatchSessionContext sessionContext(EntityManager entityManager);
+
+}

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/spi/BatchSessionContext.java

@@ -0,0 +1,15 @@
+/*
+ * Hibernate Search, full-text search for your domain model
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.search.mapper.orm.spi;
+
+import org.hibernate.search.mapper.pojo.work.spi.PojoIndexer;
+
+public interface BatchSessionContext {
+
+	PojoIndexer createIndexer();
+
+}

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/spi/BatchTypeIdentifierProvider.java

@@ -0,0 +1,15 @@
+/*
+ * Hibernate Search, full-text search for your domain model
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.search.mapper.orm.spi;
+
+import org.hibernate.search.mapper.pojo.model.spi.PojoRawTypeIdentifier;
+
+public interface BatchTypeIdentifierProvider {
+
+	PojoRawTypeIdentifier<?> typeIdentifierForEntityName(String hibernateOrmEntityName);
+
+}