Adds join projection, comments for join classes, removes unsupported methods for join.
Added unit test for join projection
Extended Join integration test for join projection
All sink methods in DataSet return the DataSink object to allow setting parameters.
Improved error message in PackagedProgram for preview plans.
Fixed pre-packaged end-to-end test.
Add projection cross
Minor fixes in JavaDocs and parameter checks
Unit tests to check for valid parameters of cogroup
Activated unit test for CoGroupOperator
Default cross operator
Combinable GroupReduce for new Java API
Changed key handling for key-selector combiners
Added Boolean, Byte, Char Serializer Tests
Implements a parse() method to parse TypeInformation in string representation.
Parser can now be tested with a JUnit test and supports Tuple arrays. Some minor bug fixes are also included.
Adapted test class for maven
Add annotation support for new java api
Removed obsolete array record utilities
Introduced notion of immutable types and stateful/stateless serializers.
Switched runtime task code from TypeSerializer to TypeSerializerFactory to support non thread-safe type serializers.