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// OK, if we’re still here: overwrite the current transformation…
return transMeta;
}
catch (Exception e)
{
throw new KettleException(“An unexpected error occurred creating the new transformation”, e);
}
}
/**
* 1) create a new transformation
* 2) save the transformation as XML file
* 3) generate the SQL for the target table
* 4) Execute the transformation
* 5) drop the target table to make this program repeatable
*
* @param args
*/
public static void main(String[] args) throws Exception
{
EnvUtil.environmentInit();
// Init the logging…
LogWriter log = LogWriter.getInstance(“TransBuilder.log”, true, LogWriter.LOG_LEVEL_DETAILED);
// Load the Kettle steps & plugins
StepLoader stloader = StepLoader.getInstance();
if (!stloader.read())
{
log.logError(“TransBuilder”, “Error loading Kettle steps & plugins… stopping now!”);
return;
}
// The parameters we want, optionally this can be
String fileName = “NewTrans.xml”;
String transformationName = “Test Transformation”;
String sourceDatabaseName = “source”;
String sourceTableName = “testuser.source_table”;
String sourceFields[] = {
“*”
};
String targetDatabaseName = “target”;
String targetTableName = “testuser.target_table”;
String targetFields[] = {
“*”
};
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