In the past, there where different design problems in the lib. With the 0.7 - releases, a lot of changes where introduced to make processing more flexible and easier to implement.
look into packages \org\jdeva\dataprocessing\datamodel for a new datamodell allowing to read csv and structured content from strings and org\jdeva\dataprocessing\mapreduce for a new processing modell following the pipe-pattern from unix. ... read more