utilities.MinPopulateDatabase.java Source code

Introduction

Here is the source code for utilities.MinPopulateDatabase.java

Source

/* PopulateDatabase.java
 *
 * Copyright (C) 2014 Universidad de Sevilla
 * 
 * The use of this project is hereby constrained to the conditions of the 
 * TDG Licence, a copy of which you may download from 
 * http://www.tdg-seville.info/License.html
 * 
 */

package utilities;

import java.util.Map.Entry;

import javax.persistence.Entity;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import utilities.internal.DatabaseUtil;
import domain.DomainEntity;

public class MinPopulateDatabase {

    public static void main(String[] args) {
        ApplicationContext populationContext;
        DatabaseUtil databaseUtil;

        databaseUtil = null;

        try {
            System.out.printf("MinPopulateDatabase 1.3%n");
            System.out.printf("--------------------%n%n");

            System.out.printf("Initialising persistence context `%s'...%n", DatabaseConfig.PersistenceUnit);
            databaseUtil = new DatabaseUtil();

            System.out.printf("Creating database `%s' (%s)...%n", databaseUtil.getDatabaseName(),
                    databaseUtil.getDatabaseDialectName());
            databaseUtil.recreateDatabase();

            System.out.printf("Reading configuration file `%s'...%n", "MinPopulateDatabase.xml");
            populationContext = new ClassPathXmlApplicationContext("classpath:minPopulateDatabase.xml");

            System.out.printf("Persisting %d entities...%n%n", populationContext.getBeanDefinitionCount());
            databaseUtil.openTransaction();
            for (Entry<String, Object> entry : populationContext.getBeansWithAnnotation(Entity.class).entrySet()) {
                String beanName;
                DomainEntity entity;

                beanName = entry.getKey();
                entity = (DomainEntity) entry.getValue();
                System.out.printf("> %s: %s", beanName, entity.getClass().getName());
                databaseUtil.persist(entity);
                System.out.printf(" -> id = %d, version = %d%n", entity.getId(), entity.getVersion());
            }
            databaseUtil.commitTransaction();
        } catch (Throwable oops) {
            System.out.flush();
            System.err.printf("%n%s%n", oops.getLocalizedMessage());
            oops.printStackTrace(System.err);
        } finally {
            if (databaseUtil != null)
                databaseUtil.close();
        }
    }

}