tools/checkstyle/suppressions.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
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  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
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  ~     http://www.apache.org/licenses/LICENSE-2.0
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<!DOCTYPE suppressions PUBLIC
		"-//Puppy Crawl//DTD Suppressions 1.1//EN"
		"http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">

<suppressions>
		<!-- Star import is used for all the expressions -->
		<suppress files="BaseExpressions.java" checks="AvoidStarImport"/>

		<!-- These use star import for all the generated Tuple classes -->
		<suppress files="CsvReader.java" checks="AvoidStarImport"/>

		<suppress files="NoticeFileChecker.java" checks="Regexp"/>
		<suppress files="NoticeFileChecker.java" checks="IllegalImport"/>

		<suppress files="JoinOperator.java" checks="FileLength"/>
		<suppress files="WindowOperatorTest.java" checks="FileLength"/>
		<suppress files="WindowOperatorContractTest.java" checks="FileLength"/>
		<suppress files="NFAITCase.java" checks="FileLength"/>

	    <!-- Have to use guava directly -->
	    <suppress
			files="OverConvertRule.java|InConverter.java|SymbolUtil.java|RexNodeJsonDeserializer.java|RexNodeJsonSerializer.java|RexNodeJsonSerdeTest.java"
			checks="IllegalImport"/>
		<!-- Cassandra connectors have to use guava directly -->
		<suppress
			files="AbstractCassandraTupleSink.java|CassandraInputFormat.java|CassandraOutputFormatBase.java|CassandraSinkBase.java|CassandraSinkBaseTest.java|CassandraPojoSink.java|CassandraRowSink.java|CassandraTupleWriteAheadSink.java|CassandraRowWriteAheadSink.java|CassandraPojoOutputFormat.java"
			checks="IllegalImport"/>
		<!-- Kinesis EFO consumer required to handle Netty ReadTimeoutException -->
		<suppress
			files="FanOutRecordPublisherTest.java|FanOutShardSubscriber.java|FanOutShardSubscriberTest.java"
			checks="IllegalImport"/>
		<!-- Pulsar broker required to handle Netty EventLoopGroup -->
		<suppress
			files="MockBookKeeperClientFactory.java"
			checks="IllegalImport"/>
		<!-- Classes copied from Hadoop -->
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]conf[\\/]Configuration.java"
			checks=".*"/>
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]util[\\/]NativeCodeLoader.java"
			checks=".*"/>
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]util[\\/]VersionInfo.java"
			checks=".*"/>
		<!-- target directory is not relevant for checkstyle -->
		<suppress
			files="[\\/]target[\\/]"
			checks=".*"/>
		<!-- suppress check for copied hive code -->
		<suppress files="org[\\/]apache[\\/]hadoop[\\/]hive[\\/].*.java" checks=".*"/>
</suppressions>