br.com.devmedia.cleancode.spring.ConfiguracaoBancoDados.java Source code

Introduction

Here is the source code for br.com.devmedia.cleancode.spring.ConfiguracaoBancoDados.java

Source

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Mrcio M. Noda
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package br.com.devmedia.cleancode.spring;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.jdbc.datasource.init.DataSourceInitializer;
import org.springframework.jdbc.datasource.init.DatabasePopulator;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

@EnableTransactionManagement(proxyTargetClass = true)
@Configuration
class ConfiguracaoBancoDados {

    @Autowired
    private EntityManagerFactory entityManagerFactory;

    @Value("/massa-de-dados/clientes.sql")
    private Resource scriptCliente;

    @Value("/massa-de-dados/numero-pedidos.sql")
    private Resource scriptNumerosPedidos;

    @Value("/massa-de-dados/produtos.sql")
    private Resource scriptProdutos;

    @Value("/massa-de-dados/pedidos.sql")
    private Resource scriptPedidos;

    @Value("/massa-de-dados/itens-pedidos.sql")
    private Resource scriptItensPedidos;

    @Bean
    public DataSourceInitializer dataSourceInitializer(final DataSource dataSource) {
        final DataSourceInitializer initializer = new DataSourceInitializer();
        initializer.setDataSource(dataSource);
        initializer.setDatabasePopulator(databasePopulator());
        return initializer;
    }

    private DatabasePopulator databasePopulator() {
        final ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
        populator.addScript(scriptCliente);
        populator.addScript(scriptNumerosPedidos);
        populator.addScript(scriptProdutos);
        populator.addScript(scriptPedidos);
        populator.addScript(scriptItensPedidos);
        return populator;
    }

    @Bean
    public PlatformTransactionManager transactionManager() {
        return new JpaTransactionManager(entityManagerFactory);
    }
}