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https://issues.apache.org/jira/browse/HBASE-5428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210578#comment-13210578
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Robert Roland commented on HBASE-5428:
--------------------------------------
@stack Correct - ParseFilter.java (used by Thrift to parse filter strings) has
a hardcoded list of acceptable filters contained within its static initializer.
This will allow the user to specify additional filters that are registered
within ParseFilter.
In my use case, I have a Ruby client that uses Thrift to communicate with
HBase, and I want to apply a custom filter during a scan.
The custom filters must implement public static Filter
createFilterFromArguments(ArrayList<byte[]> filterArguments) - this isn't a
stretch, as the standard filters also implement this interface.
Thanks!
> Allow for custom filters to be registered within the Thrift interface
> ---------------------------------------------------------------------
>
> Key: HBASE-5428
> URL: https://issues.apache.org/jira/browse/HBASE-5428
> Project: HBase
> Issue Type: Improvement
> Components: thrift
> Affects Versions: 0.92.0
> Reporter: Robert Roland
> Labels: patch
> Fix For: 0.94.0
>
> Attachments: ThriftCustomFilters.patch
>
>
> Custom filters work within the Java client API, but are not accessible within
> the Thrift API. Attempting to use one will generate a "Filter Name x not
> supported"
> Attached patch allows a user to specify a list of custom filters that are
> registered at Thrift server startup time within the HBase configuration files:
> <property>
> <name>hbase.thrift.filters</name>
> <value>MyFilter:com.foo.Filter,OtherFilter:com.foo.OtherFilter</value>
> </property>
> Patch created off SVN r1245727
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