TrainingRepositoryImpl.java

/**
 * Copyright © 2015 Pablo Grela Palleiro (pablogp_9@hotmail.com)
 *
 * 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.cuacfm.members.model.training;

import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceContext;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

/**
 * The Class TrainingRepositoryImpl.
 */
@Repository
@Transactional(readOnly = true)
public class TrainingRepositoryImpl implements TrainingRepository {

	private static final Logger logger = LoggerFactory.getLogger(TrainingRepositoryImpl.class);
	
	@PersistenceContext
	private EntityManager entityManager;

	@Override
	@Transactional
	public Training save(Training training) {
		entityManager.persist(training);
		return training;
	}

	@Override
	@Transactional
	public Training update(Training training) {
		return entityManager.merge(training);
	}

	@Override
	@Transactional
	public void delete(Training training) {
		entityManager.remove(training);
	}

	@Override
	public Training findById(Long id) {
		try {
			return entityManager.createQuery("select t from Training t where t.id = :id", Training.class).setParameter("id", id).getSingleResult();
		} catch (NoResultException e) {
			logger.info("NoResult" + e.getMessage());
			return null;
		}
	}

	@Override
	public Training findByName(String name) {
		try {
			return entityManager.createQuery("select t from Training t where t.name = :name", Training.class).setParameter("name", name)
					.getSingleResult();
		} catch (NoResultException e) {
			logger.info("NoResult" + e.getMessage());
			return null;
		}
	}

	@Override
	public List<Training> getTrainingList() {
		return entityManager.createQuery("select t from Training t order by t.name", Training.class).getResultList();
	}

	@Override
	public List<Training> getTrainingListOpen() {
		return entityManager.createQuery("select t from Training t where t.close = false order by t.name", Training.class).getResultList();
	}

	@Override
	public List<Training> getTrainingListClose(int year) {
		return entityManager
				.createQuery("select t from Training t where t.close = true and year(t.dateTraining) = :year order by t.name ", Training.class)
				.setParameter("year", year).getResultList();
	}

	@Override
	public List<Training> getTrainingListByTrainingTypeId(Long trainingTypeId) {
		return entityManager.createQuery("select t from Training t where t.trainingType.id = :trainingTypeId", Training.class)
				.setParameter("trainingTypeId", trainingTypeId).getResultList();

	}
}