content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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.apache.causeway.persistence.jpa.integration.services;
  
  import jakarta.inject.Inject;
  import jakarta.persistence.EntityManager;
  
  import org.springframework.data.jpa.repository.JpaContext;
  
  import org.apache.causeway.commons.functional.Try;
  import org.apache.causeway.persistence.jpa.applib.services.JpaSupportService;
  
  import org.jspecify.annotations.NonNull;
  import lombok.RequiredArgsConstructor;
  import lombok.extern.log4j.Log4j2;
  
  @RequiredArgsConstructor(onConstructor_ = {@Inject})
  @Log4j2
  public class JpaSupportServiceUsingSpring implements JpaSupportService {
  
      private final JpaContext jpaContextSpring;
  
      @Override
      public Try<EntityManager> getEntityManager(final @NonNull Class<?> entityClass) {
          try {
              var em = jpaContextSpring.getEntityManagerByManagedType(entityClass);
              return Try.success(em);
          } catch (Exception e) {
              log.error(String.format("failed to get an EntityManager for entity type %s", entityClass), e);
              return Try.failure(e);
          }
      }
  
  }
  