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[SPARK-13203] Add scalastyle rule banning use of mutable.SynchronizedBuffer #11134

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[SPARK-13203] Add scalastyle rule banning use of mutable.SynchronizedBuffer #11134

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12 changes: 12 additions & 0 deletions scalastyle-config.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -169,6 +169,18 @@ This file is divided into 3 sections:
]]></customMessage>
</check>

<check customId="mutablesynchronizedbuffer" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">mutable\.SynchronizedBuffer</parameter></parameters>
<customMessage><![CDATA[
Are you sure that you want to use mutable.SynchronizedBuffer? In most cases, you should use
java.util.concurrent.ConcurrentLinkedQueue instead.
If you must use mutable.SynchronizedBuffer, wrap the code block with
// scalastyle:off mutablesynchronizedbuffer
mutable.SynchronizedBuffer[...]
// scalastyle:on mutablesynchronizedbuffer
]]></customMessage>
</check>

<check customId="classforname" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">Class\.forName</parameter></parameters>
<customMessage><![CDATA[
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