JPASchemaGen.java

package ejava.examples.schemagen;

import javax.persistence.Persistence;

public class JPASchemaGen {
    public static void main(String args[]) {
        if (args!=null && args.length==1) {
            System.out.println("Generating schema for persistence-unit: " + args[0]);
            //Persistence.generateSchema(args[0], null);
            Persistence.createEntityManagerFactory(args[0]);
            System.exit(0);
        } else {
            System.err.println("usage: " + JPASchemaGen.class.getName() + " (persistenceUnit name)");
            throw new RuntimeException("incorrect usage");
        }
    }
}