java调用kettle4.2数据库型资料库中的转换

java调用kettle4.2数据库型资料库中的转换

import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.repository.Repository;
import org.pentaho.di.repository.RepositoryDirectoryInterface;
import org.pentaho.di.repository.kdr.KettleDatabaseRepository;
import org.pentaho.di.repository.kdr.KettleDatabaseRepositoryMeta;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;

/**
 * <p>Title: java调用kettle4.2数据库型资料库中的转换</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright () 2012</p>
 * @author 舵手
 * @version
 */

public class ExecRepositoryTrans {

    private static String transName = "Trans";

    public static void main(String[] args) {

        try {
            KettleEnvironment.init();
            
            KettleDatabaseRepository repository = new KettleDatabaseRepository();
            
            DatabaseMeta databaseMeta = new DatabaseMeta("repository", "MSSQL","Native","192.169.0.146", "repository", "1433", "sa", "sa");
            
            KettleDatabaseRepositoryMeta kettleDatabaseMeta = new KettleDatabaseRepositoryMeta("repository", "ERP", "Transformation description",databaseMeta );
            
            repository.init(kettleDatabaseMeta);
            
            repository.connect("admin","admin");
            
            RepositoryDirectoryInterface directory = repository.loadRepositoryDirectoryTree();

            TransMeta transformationMeta = ((Repository) repository).loadTransformation(transName, directory, null, true, null ) ;

            Trans trans = new Trans( transformationMeta );
            //trans.setParameterValue( parameterName, parameterValue);
            trans.execute(null);
            trans.waitUntilFinished();
            if ( trans.getErrors() > 0 ) {                    
                System.out.println("Error running transformation.");
            }else{
                System.out.println("Transformation run successfully.");
            }
        } catch (KettleException e) {
            e.printStackTrace();
        }
    }

}