ch.javaee.basicMvc.config.StandaloneDataConfig.java Source code

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Here is the source code for ch.javaee.basicMvc.config.StandaloneDataConfig.java

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/*
 * =============================================================================
 *
 * Copyright (c) 2013, Marco Molteni ("http://javaee.ch")
 *
 * 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 ch.javaee.basicMvc.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.Database;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import java.util.Properties;

@EnableTransactionManagement
@Configuration
@Profile("default")
public class StandaloneDataConfig implements DisposableBean {
    static final Logger logger = LoggerFactory.getLogger(CommonConfig.class);

    private EmbeddedDatabase ed;

    @Bean(name = "hsqlInMemory")
    public EmbeddedDatabase hsqlInMemory() {
        logger.debug("Enter: EmbeddedDatabase");
        if (this.ed == null) {
            EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
            this.ed = builder.setType(EmbeddedDatabaseType.HSQL).build();
        }
        logger.debug("Exit: EmbeddedDatabase");
        return this.ed;

    }

    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {

        LocalContainerEntityManagerFactoryBean lcemfb = new LocalContainerEntityManagerFactoryBean();

        lcemfb.setDataSource(this.hsqlInMemory());
        lcemfb.setPackagesToScan(new String[] { "ch.javaee.basicMvc.domain" });

        lcemfb.setPersistenceUnitName("MyPU");

        HibernateJpaVendorAdapter va = new HibernateJpaVendorAdapter();
        lcemfb.setJpaVendorAdapter(va);
        va.setDatabase(Database.HSQL);
        va.setGenerateDdl(true);
        va.setShowSql(true);
        va.setDatabasePlatform("org.hibernate.dialect.HSQLDialect");

        Properties ps = new Properties();
        ps.put("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
        ps.put("hibernate.hbm2ddl.auto", "create");
        lcemfb.setJpaProperties(ps);

        lcemfb.afterPropertiesSet();

        return lcemfb;

    }

    @Bean
    public PlatformTransactionManager transactionManager() {

        JpaTransactionManager tm = new JpaTransactionManager();

        tm.setEntityManagerFactory(this.entityManagerFactory().getObject());

        return tm;

    }

    @Bean
    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
        return new PersistenceExceptionTranslationPostProcessor();
    }

    @Override
    public void destroy() {

        if (this.ed != null) {
            this.ed.shutdown();
        }

    }
}