You are using here Stratosphere's old "Record" Java API. We are moving away from this one and will probably deprecate it in the 0.6 release.
Please check out the new Java API:
- [API code](https://github.com/stratosphere/stratosphere/tree/master/stratosphere-java/src/main/java/eu/stratosphere/api/java)
- [API examples](https://github.com/stratosphere/stratosphere/tree/master/stratosphere-examples/stratosphere-java-examples/src/main/java/eu/stratosphere/example/java)
- [API documentation](http://stratosphere.eu/docs/0.5/programming_guides/java.html)