FileDataSource lineItems =
new FileDataSource(new IntTupleDataInFormat(), this.lineItemInputPath, "LineItems");
lineItems.setDegreeOfParallelism(this.degreeOfParallelism);
FileDataSink result =
new FileDataSink(new StringTupleDataOutFormat(), this.outputPath, "Output");
result.setDegreeOfParallelism(this.degreeOfParallelism);
MapOperator lineItemFilter =
MapOperator.builder(new LineItemFilter())
.name("LineItem Filter")