cn.org.once.cstack.config.DatabaseConfiguration.java Source code

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Here is the source code for cn.org.once.cstack.config.DatabaseConfiguration.java

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package cn.org.once.cstack.config;

import java.util.Properties;

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

import org.hibernate.jpa.HibernatePersistenceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.core.io.Resource;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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.hibernate4.HibernateExceptionTranslator;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.JpaVendorAdapter;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaDialect;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;

@Configuration
@EnableJpaRepositories("cn.org.once.cstack.dao")
@EnableTransactionManagement
@Profile({ "production", "integration", "vagrant", "vagrant-demo" })
public class DatabaseConfiguration {

    private Logger logger = LoggerFactory.getLogger(DatabaseConfiguration.class);

    @Value("${database.hostname}")
    private String databaseHostname;

    @Value("${database.port}")
    private String databasePort;

    @Value("${database.schema}")
    private String databaseSchema;

    @Value("${database.options}")
    private String databaseOptions;

    @Value("${database.user}")
    private String databaseUser;

    @Value("${database.password}")
    private String databasePassword;

    @Value("${database.showSQL}")
    private String databaseShowSQL;

    @Value("classpath:/${database.script}")
    private Resource dataScript;

    @Bean
    public DataSource dataSource() {
        logger.debug("Configuring Datasource");
        String databaseUrl = String.format("jdbc:mysql://%s:%s/%s?%s", databaseHostname, databasePort,
                databaseSchema, databaseOptions);
        logger.info("database.url:" + databaseUrl);
        logger.info("database.user:" + databaseUser);
        HikariConfig config = new HikariConfig();
        config.setDataSourceClassName("com.mysql.jdbc.jdbc2.optional.MysqlDataSource");
        config.addDataSourceProperty("url", databaseUrl);
        config.addDataSourceProperty("user", databaseUser);
        config.setInitializationFailFast(false);
        config.setIdleTimeout(60000);
        String forcePassword = System.getenv("MYSQL_ROOT_PASSWORD");
        // coming from environnment host
        if (forcePassword != null) {
            logger.info("Force the mysql password from host env");
            databasePassword = forcePassword;
        }
        logger.info("URL : " + databaseUrl + " password : " + databasePassword);
        config.addDataSourceProperty("password", databasePassword);
        return new HikariDataSource(config);
    }

    @Bean(name = "dataSourceInitializer")
    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.setSqlScriptEncoding("utf-8");
        populator.addScript(dataScript);
        return populator;
    }

    @Bean
    public EntityManagerFactory entityManagerFactory() {
        logger.debug("Configuring EntityManager");
        LocalContainerEntityManagerFactoryBean lcemfb = new LocalContainerEntityManagerFactoryBean();
        lcemfb.setPersistenceProvider(new HibernatePersistenceProvider());
        lcemfb.setPersistenceUnitName("persistenceUnit");
        lcemfb.setDataSource(dataSource());
        lcemfb.setJpaDialect(new HibernateJpaDialect());
        lcemfb.setJpaVendorAdapter(jpaVendorAdapter());
        lcemfb.setSharedCacheMode(SharedCacheMode.ENABLE_SELECTIVE);
        Properties jpaProperties = new Properties();
        jpaProperties.put("hibernate.generate_statistics", false);
        jpaProperties.put("hibernate.show_sql", Boolean.parseBoolean(databaseShowSQL));
        lcemfb.setJpaProperties(jpaProperties);
        lcemfb.setPackagesToScan("cn.org.once.cstack.model");
        lcemfb.afterPropertiesSet();
        return lcemfb.getObject();
    }

    @Bean
    public JpaVendorAdapter jpaVendorAdapter() {
        HibernateJpaVendorAdapter jpaVendorAdapter = new HibernateJpaVendorAdapter();
        jpaVendorAdapter.setShowSql(Boolean.parseBoolean(databaseShowSQL));
        jpaVendorAdapter.setGenerateDdl(true);
        jpaVendorAdapter.setDatabasePlatform("org.hibernate.dialect.MySQLDialect");
        return jpaVendorAdapter;
    }

    @Bean
    public HibernateExceptionTranslator hibernateExceptionTranslator() {
        return new HibernateExceptionTranslator();
    }

    @Bean(name = "transactionManager")
    public PlatformTransactionManager annotationDrivenTransactionManager() {
        JpaTransactionManager jpaTransactionManager = new JpaTransactionManager();
        jpaTransactionManager.setEntityManagerFactory(entityManagerFactory());
        return jpaTransactionManager;
    }
}