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https://issues.apache.org/jira/browse/BEAM-9740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17371268#comment-17371268
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Patrick Lucas edited comment on BEAM-9740 at 9/16/21, 8:19 AM:
---------------------------------------------------------------
-Was there discussion on this somewhere before it was resolved as Won't Fix?-
I have some XZ-compressed data that I was hoping to consume easily with Beam,
and while this interface would be easy to implement for
org.tukaani.xz.XZInputStream, I was surprised to see this implemented as a
non-extensible enum.
If there's another way to easily use custom compression with TextIO/FileIO,
could someone comment here with a pointer? -Or at least provide an explanation
of why this was marked Won't Fix for users searching in the future.-
Edit: I see that it was actually previously closed as "Won't Fix" by the
original reporter.
was (Author: plucas):
Was there discussion on this somewhere before it was resolved as Won't Fix?
I have some XZ-compressed data that I was hoping to consume easily with Beam,
and while this interface would be easy to implement for
org.tukaani.xz.XZInputStream, I was surprised to see this implemented as a
non-extensible enum.
If there's another way to easily use custom compression with TextIO/FileIO,
could someone comment here with a pointer? Or at least provide an explanation
of why this was marked Won't Fix for users searching in the future.
> User Defined Compression
> ------------------------
>
> Key: BEAM-9740
> URL: https://issues.apache.org/jira/browse/BEAM-9740
> Project: Beam
> Issue Type: Wish
> Components: sdk-java-core
> Reporter: Kyoungha Min
> Priority: P3
>
> Some users, including myself, have asked for various compression types
> support.
> Currently, the `org.apache.beam.sdk.io.Compression` is an enum type, which
> cannot be overridden by users.
> Split up the interface so that users can feed their own user-defined
> ComrpessionFactory.
>
> {code:java}
> public interface CompressionFactory extends Serializable {
> ReadableByteChannel readDecompressed(ReadableByteChannel channel) throws
> IOException;
> WritableByteChannel writeCompressed(WritableByteChannel channel) throws
> IOException;
> String getSuggestedSuffix();
> boolean isCompressed(String filename);
> boolean matches(String filename);
> }
> {code}
>
> And the current
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