GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/2811
[BEAM-2051] Cast to SimplePCollectionView instead of View.
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Wherever a View method is used, a concrete instance of
SimplePCollectionView is required.
PCollectionView is a marker interface. Runners can expect to
always recieve a subclass of SimplePCollectionView, and cast to it when
methods are required.
Once this is live in the DataflowRunner, #2680 can be merged. This is
#2680, without the changes to PCollectionView
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam view_as_marker_prereq
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2811.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 #2811
----
commit c60d4a3ec4f07110a0a5d4c307bbbf9e5f4db416
Author: Thomas Groh <[email protected]>
Date: 2017-04-21T16:46:28Z
Cast to SimplePCollectionView instead of View.
Wherever a View method is used, a concrete instance of
SimplePCollectionView is required.
PCollectionView is a marker interface. Runners can expect to
always recieve a subclass of SimplePCollectionView, and cast to it when
methods are required.
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