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https://issues.apache.org/jira/browse/HBASE-18951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16198086#comment-16198086
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stack commented on HBASE-18951:
-------------------------------
Passing a null once was supposed to signal add the value to the family w/o a
qualifier (IIRC). This was not an especially good idea. Now we'd do it with a
qualifier that is zero-byte array? Does the user have to pass zero-length byte
array? Or will it be done for them by the builder; i.e. convert from null to
zero-length byte array.
i.e. you'd do this inside the checkAndXXX?
if (qualifier == null) {
qualifier = HConstants.EMPTY_BYTE_ARRAY;
}
Thats seems good to me.
> Use Builder pattern to remove nullable parameters for checkAndXXX methods in
> RawAsyncTable/AsyncTable interface
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-18951
> URL: https://issues.apache.org/jira/browse/HBASE-18951
> Project: HBase
> Issue Type: Sub-task
> Components: Client
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-18951-v1.patch, HBASE-18951.patch
>
>
> As Optional is not supposed to be used as method parameters but we do not
> want nullable parameters.
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