Daniel Halperin created BEAM-887:
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Summary: Make FileBasedSink.getWriterResultCoder abstract
Key: BEAM-887
URL: https://issues.apache.org/jira/browse/BEAM-887
Project: Beam
Issue Type: Improvement
Components: sdk-java-core
Affects Versions: Not applicable
Reporter: Daniel Halperin
Assignee: Kenneth Knowles
Fix For: 0.4.0-incubating
FileBasedSink has this function:
{code}
/**
* Returns a coder for the writer result type.
*/
public Coder<WriteT> getWriterResultCoder() {
return null;
}
{code}
It returns {{null}} by default, but in practice if this happens then building
the pipeline will crash with a {{NullPointerException}}. Now that we can make
backward-incompatible changes, just make it abstract and force implementations
to add this method. (All implementations already implement it already.)
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