import grails.persistence.*
import grails.orm.bootstrap.*
import org.h2.Driver
import org.springframework.jdbc.datasource.DriverManagerDataSource


def dataSource = new DriverManagerDataSource("jdbc:h2:prodDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE", 'sa', '')
dataSource.setDriverClassName(Driver.name)

def initializer = new HibernateDatastoreSpringInitializer(['hibernate.log_sql':'true'], Person)
def applicationContext = initializer.configureForDataSource(dataSource)

def person = new Person(firstName: 'John', lastName: 'Doe').save()

Person.withSession {
    println person.count()
}

@Entity
class Person {
    String firstName
    String lastName
    static constraints = {
        firstName blank:false
        lastName blank:false
    }
}