/*
    * 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.syncope.core.persistence.jpa.dao;
  
  import java.util.List;
  import javax.persistence.TypedQuery;
  import org.apache.syncope.core.persistence.api.dao.ConfParamDAO;
  import org.apache.syncope.core.persistence.api.entity.ConfParam;
  import org.apache.syncope.core.persistence.jpa.entity.JPAConfParam;
  import org.springframework.transaction.annotation.Transactional;
  
  public class JPAConfParamDAO extends AbstractDAO<ConfParam> implements ConfParamDAO {
  
      @Transactional(readOnly = true)
      @Override
      public List<ConfParam> findAll() {
          TypedQuery<ConfParam> query = entityManager().createQuery(
                  "SELECT e FROM " + JPAConfParam.class.getSimpleName() + " e ORDER BY e.id ASC", ConfParam.class);
          return query.getResultList();
      }
  
      @Transactional(readOnly = true)
      @Override
      public ConfParam find(final String key) {
          return entityManager().find(JPAConfParam.class, key);
      }
  
      @Override
      public ConfParam save(final ConfParam confParam) {
          return entityManager().merge(confParam);
      }
  
      @Override
      public void delete(final String key) {
          ConfParam param = find(key);
          if (param != null) {
              entityManager().remove(param);
          }
      }
  }