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From gyfora <...@git.apache.org>
Subject [GitHub] flink pull request: New operator state interfaces
Date Fri, 29 May 2015 10:42:11 GMT
GitHub user gyfora opened a pull request:


    New operator state interfaces

    This PR contains the proposed changes for the streaming operator state interfaces as described
    - Added OperatorState interface accessible from RuntimeContext
    - System managed checkpointing/restore of the states (no required implementations for
Serializable states)
    - confirmCheckpoint(..) method in the CheckpointCommitter interface has been changed to
return the StateHandle for the checkpointed state
    - Removed Checkpointed/AsynchronouslyCheckpointed interfaces
    - Updated Persistent Kafka source to work on the new interfaces (does not work properly
yet :/ )
    - Updated Tests and IT cases

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gyfora/flink new_state

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #747
commit 9fe6bd39df4cc74c1708ba3f108339979497c5fb
Author: Gyula Fora <gyfora@apache.org>
Date:   2015-05-17T18:33:38Z

    [streaming] Initial rework of the operator state interfaces

commit 7eba5200fbad93af2bf28e9289864ded76091ef9
Author: Gyula Fora <gyfora@apache.org>
Date:   2015-05-28T09:07:42Z

    [streaming] Modified kafka source to use the new state interfaces

commit f5f32d95e41bc8da2f76656d0331965c2dfb06f0
Author: Gyula Fora <gyfora@apache.org>
Date:   2015-05-28T11:31:07Z

    [streaming] Allow multiple operator states + stateful function test rework

commit 9956d58eba92bd0c340bbd2e8a058d4adf57baa6
Author: Paris Carbone <seniorcarbone@gmail.com>
Date:   2015-05-28T13:07:49Z

    [streaming] Add stateHandle to checkpointed message

commit 1ae3faaad7ad6f5c65a7f69dc114c2b4535cacef
Author: Gyula Fora <gyfora@apache.org>
Date:   2015-05-29T09:47:44Z

    [streaming] Return null for empty state instead of empty hashmap

commit ac2f638a93b9b67be5e485b9d9e3a0c7a7644eee
Author: Paris Carbone <seniorcarbone@gmail.com>
Date:   2015-05-29T09:57:34Z

    [streaming] fix for null state in ConfirmCheckpoint messages


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