pipeline.add(tupleToWebRowSet);
pipeline.add(writeToDataSource);
RequestResource requestResource = drer.execute(pipeline,
RequestExecutionType.ASYNCHRONOUS);
requestResource.pollUntilRequestStarted(1000);
// Get the data
TupleToWebRowSetCharArrays tupleToWebRowSet2 = new TupleToWebRowSetCharArrays();
tupleToWebRowSet2.getResultOutput().setDataSourceResource(dataSource);