/*
    * 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.DomainDAO;
  import org.apache.syncope.core.persistence.api.entity.DomainEntity;
  import org.apache.syncope.core.persistence.jpa.entity.JPADomain;
  
  public class JPADomainDAO extends AbstractDAO<DomainEntity> implements DomainDAO {
  
      @Override
      public List<DomainEntity> findAll() {
          TypedQuery<DomainEntity> query = entityManager().createQuery(
                  "SELECT e FROM " + JPADomain.class.getSimpleName() + " e", DomainEntity.class);
          return query.getResultList();
      }
  
      @Override
      public DomainEntity find(final String key) {
          return entityManager().find(JPADomain.class, key);
      }
  
      @Override
      public DomainEntity save(final DomainEntity domain) {
          return entityManager().merge(domain);
      }
  
      @Override
      public void delete(final String key) {
          DomainEntity domain = find(key);
          if (domain != null) {
              entityManager().remove(domain);
          }
      }
  }