GitHub user prateekm opened a pull request:
https://github.com/apache/samza/pull/194
SAMZA-1221, SAMZA-1101: Internal cleanup for High-Level API implementation.
SAMZA-1221: Separated the OperatorSpec and MessageStream DAGs so that
they're now duals of each other. Users interact with and construct the
MessageStream DAG; we create and use the OperatorSpec DAG internally.
Moved common OperatorSpec functionality (getId, getOpCode, getOpName etc.)
to the OperatorSpec abstract base class.
Added a new JoinOperatorSpec and PartialJoinOperatorImpls which are created
from JoinOperatorSpec in OperatorGraphImpl.
Added a new InputOperatorSpec and InputOperatorImpl (previously
RootOperatorImpl). InputOperatorSpec is created when StreamGraph#getInputStream
is called.
SAMZA-1101: Added a new OutputOperatorSpec and OutputOperatorImpl for
partitionBy and sendTo. These are Separate from SinkOperatorSpec for and
SinkOperatorImpl for sink. We don't need to create a sinkFn for partitionBy and
sendTo anymore.
Updated most unit tests to use the new classes and avoid reflection.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/prateekm/samza internal-cleanup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/samza/pull/194.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #194
----
commit 58ea09f21d3810b05acdea4c55cf254885e0e324
Author: Prateek Maheshwari <[email protected]>
Date: 2017-05-17T22:58:28Z
Internal cleanup for High-Level API implementation.
Separated the OperatorSpec and MessageStream DAGs so that they're now duals
of each other. Users interact with and construct the MessageStream DAG; we
create and use the OperatorSpec DAG internally.
Moved common OperatorSpec functionality (getId, getOpCode, getOpName etc.)
to the OperatorSpec abstract base class.
New JoinOperatorSpec and PartialJoinOperatorImpls created from
JoinOperatorSpec in OperatorGraphImpl.
New InputOperatorSpec and InputOperatorImpl (previously RootOperatorImpl)
created when StreamGraph#getInputStream is called.
New OutputOperatorSpec and OutputOperatorImpl for partionBy and sendTo.
These are Separate from SinkOperatorSpec for and SinkOperatorImpl for sink.
Don't need to create a sinkFn for partitionBy and sendTo anymore.
Updated most unit tests to use the new classes and avoid reflection.
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