com.sct.descubriendoturuta.service.PersonServiceImpl.java Source code

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Here is the source code for com.sct.descubriendoturuta.service.PersonServiceImpl.java

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/**
 * Copyright 2014 Nicotina Estudio
 *
 * 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 com.sct.descubriendoturuta.service;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.sct.descubriendoturuta.model.Person;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;

import java.util.List;

@Service
public class PersonServiceImpl implements PersonService {

    @PersistenceContext
    EntityManager em;

    @Transactional
    public void addPerson(Person person) {
        em.persist(person);
    }

    @Transactional
    public List<Person> listPeople() {
        CriteriaQuery<Person> c = em.getCriteriaBuilder().createQuery(Person.class);
        c.from(Person.class);
        return em.createQuery(c).getResultList();
    }

    @Transactional
    public void removePerson(Integer id) {
        Person person = em.find(Person.class, id);
        if (null != person) {
            em.remove(person);
        }
    }

}