com.thingtrack.konekti.dao.impl.internal.ProductDaoImpl.java Source code

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Here is the source code for com.thingtrack.konekti.dao.impl.internal.ProductDaoImpl.java

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/*
 * Copyright 2011 Thingtrack, S.L.
 *
 * 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.thingtrack.konekti.dao.impl.internal;

import java.util.List;

import javax.persistence.Query;

import org.springframework.stereotype.Repository;

import com.thingtrack.konekti.dao.template.JpaDao;
import com.thingtrack.konekti.dao.api.ProductDao;
import com.thingtrack.konekti.domain.Product;
import com.thingtrack.konekti.domain.User;

/**
 * @author Thingtrack S.L.
 *
 */
@Repository
public class ProductDaoImpl extends JpaDao<Product, Integer> implements ProductDao {
    @Override
    public Product getByCode(String code) throws Exception {
        Product product = (Product) getEntityManager()
                .createQuery("SELECT p FROM " + getEntityName() + " p WHERE p.code = :code")
                .setParameter("code", code).getSingleResult();

        return product;

    }

    @Override
    public Product getByCode(String code, String version) throws Exception {
        Product product = (Product) getEntityManager()
                .createQuery(
                        "SELECT p FROM " + getEntityName() + " p WHERE p.code = :code AND p.version = :version")
                .setParameter("code", code).setParameter("version", version).getSingleResult();

        return product;

    }

    @Override
    @SuppressWarnings("unchecked")
    public List<Product> getAll(User user) throws Exception {
        StringBuffer queryString = new StringBuffer("SELECT p FROM " + getEntityName() + " p");

        if (user.getActiveArea() != null)
            queryString.append(" WHERE :area MEMBER OF p.areas");

        Query query = (Query) getEntityManager().createQuery(queryString.toString());

        if (user.getActiveArea() != null)
            query.setParameter("area", user.getActiveArea());

        return query.getResultList();

    }

}