Separate out WriteOperator and create a new DistributeResultOperator for result distribution.

We are creating this distinction to make sure that the old write results to a
file operator remains intact for those systems that use Algebricks but have
no need for result distribution like Hivestrix.

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_result_distribution@3053 123451ca-8445-de46-9d55-352943316053
13 files changed
tree: 6ad2c13b00dccb8818a82a015d4d948ed6f7dc7a
  1. algebricks/
  2. hivesterix/
  3. hyracks/
  4. pom.xml
  5. pregelix/