content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.activiti.spring;
  
  import jakarta.persistence.EntityManager;
  import jakarta.persistence.EntityManagerFactory;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.interceptor.Session;
  import org.activiti.engine.impl.interceptor.SessionFactory;
  import org.activiti.engine.impl.variable.EntityManagerSession;
  import org.activiti.engine.impl.variable.EntityManagerSessionImpl;
  import org.springframework.orm.jpa.EntityManagerFactoryUtils;
  
  /**
   * Session Factory for {@link EntityManagerSession}.
   * <p>
   * Must be used when the {@link EntityManagerFactory} is managed by Spring. This implementation will retrieve the {@link EntityManager} bound to the thread by Spring in case a transaction already
   * started.
   *
  
   */
  public class SpringEntityManagerSessionFactory implements SessionFactory {
  
      protected EntityManagerFactory entityManagerFactory;
      protected boolean handleTransactions;
      protected boolean closeEntityManager;
  
      public SpringEntityManagerSessionFactory(
          Object entityManagerFactory,
          boolean handleTransactions,
          boolean closeEntityManager
      ) {
          this.entityManagerFactory = (EntityManagerFactory) entityManagerFactory;
          this.handleTransactions = handleTransactions;
          this.closeEntityManager = closeEntityManager;
      }
  
      public Class<?> getSessionType() {
          return EntityManagerFactory.class;
      }
  
      public Session openSession(CommandContext commandContext) {
          EntityManager entityManager = EntityManagerFactoryUtils.getTransactionalEntityManager(entityManagerFactory);
          if (entityManager == null) {
              return new EntityManagerSessionImpl(entityManagerFactory, handleTransactions, closeEntityManager);
          }
          return new EntityManagerSessionImpl(entityManagerFactory, entityManager, false, false);
      }
  }
  