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<?xml version="1.0" encoding="UTF-8"?>

<!--

~ Licensed to the Apache Software Foundation (ASF) under one or more

~ contributor license agreements. See the NOTICE file distributed with

~ this work for additional information regarding copyright ownership.

~ The ASF licenses this file to You under the Apache License, Version 2.0

~ (the "License"); you may not use this file except in compliance with

~ the License. You may obtain a copy of the License at

~

~ http://www.apache.org/licenses/LICENSE-2.0

~

~ Unless required by applicable law or agreed to in writing, software

~ distributed under the License is distributed on an "AS IS" BASIS,

~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

~ See the License for the specific language governing permissions and

~ limitations under the License.

-->

<scalastyle>

<check level="error" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">

<parameters>

<parameter name="header"><![CDATA[{{COPYRIGHT_HEADER}}]]></parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.file.FileTabChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.file.FileLineLengthChecker" enabled="true">

<parameters>

<parameter name="maxLineLength">100</parameter>

<parameter name="tabSize">2</parameter>

<parameter name="ignoreImports">true</parameter>

</parameters>

</check>

<!--

We should enable these but there are some current violations that might not be

trivially fixed.

<check level="error" class="org.scalastyle.scalariform.ClassNamesChecker" enabled="true">

<parameters><parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter></parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.ObjectNamesChecker" enabled="true">

<parameters><parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter></parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.PackageObjectNamesChecker" enabled="true">

<parameters><parameter name="regex"><![CDATA[^[a-z][A-Za-z]*$]]></parameter></parameters>

</check>

-->

<check level="error" class="org.scalastyle.scalariform.ParameterNumberChecker" enabled="true">

<parameters>

<parameter name="maxParameters"><![CDATA[12]]></parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.IfBraceChecker" enabled="true">

<parameters>

<parameter name="singleLineAllowed"><![CDATA[true]]></parameter>

<parameter name="doubleLineAllowed"><![CDATA[true]]></parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.PublicMethodsHaveTypeChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.NonASCIICharacterChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.SpaceAfterCommentStartChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.EnsureSingleSpaceBeforeTokenChecker" enabled="true">

<parameters>

<parameter name="tokens">ARROW, EQUALS, ELSE, TRY, CATCH, FINALLY, LARROW, RARROW</parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.EnsureSingleSpaceAfterTokenChecker" enabled="true">

<parameters>

<parameter name="tokens">ARROW, EQUALS, COMMA, COLON, IF, ELSE, DO, WHILE, FOR, MATCH, TRY, CATCH, FINALLY, LARROW, RARROW</parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.NotImplementedErrorUsage" enabled="true"></check>

<check customId="println" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">

<parameters>

<parameter name="regex">^println$</parameter>

</parameters>

<customMessage><![CDATA[Are you sure you want to println? If yes, wrap the code block with

// scalastyle:off println

println(...)

// scalastyle:on println]]></customMessage>

</check>

<check customId="javaconversions" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">

<parameters>

<parameter name="regex">JavaConversions</parameter>

</parameters>

<customMessage>Instead of importing implicits in scala.collection.JavaConversions._, import

scala.collection.JavaConverters._ and use .asScala / .asJava methods</customMessage>

</check>

<check level="error" class="org.scalastyle.scalariform.ImportOrderChecker" enabled="true">

<parameters>

<parameter name="groups">java,scala,3rdParty,livy</parameter>

<parameter name="group.java">javax?\..*</parameter>

<parameter name="group.scala">scala\..*</parameter>

<parameter name="group.3rdParty">(?!org\.apache.livy\.).*</parameter>

<parameter name="group.livy">org\.apache\.livy\..*</parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.DisallowSpaceBeforeTokenChecker" enabled="true">

<parameters>

<parameter name="tokens">COMMA</parameter>

</parameters>

</check>

<check level="error" class="org.scalastyle.scalariform.EqualsHashCodeChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"></check>

<check level="error" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"></check>

</scalastyle>