kafka/checkstyle/suppressions.xml

<!DOCTYPE suppressions PUBLIC
        "-//Puppy Crawl//DTD Suppressions 1.1//EN"
        "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">

<suppressions>

    <!-- Note that [/\\] must be used as the path separator for cross-platform support -->

    <!-- Generator -->
    <suppress checks="CyclomaticComplexity|BooleanExpressionComplexity"
              files="(SchemaGenerator|MessageDataGenerator|FieldSpec).java"/>
    <suppress checks="NPathComplexity"
              files="(MessageDataGenerator|FieldSpec).java"/>
    <suppress checks="JavaNCSS"
              files="(ApiMessageType).java|MessageDataGenerator.java"/>
    <suppress checks="MethodLength"
              files="MessageDataGenerator.java"/>

    <!-- Clients -->
    <suppress checks="ClassFanOutComplexity"
              files="(Fetcher|Sender|SenderTest|ConsumerCoordinator|KafkaConsumer|KafkaProducer|Utils|TransactionManager|TransactionManagerTest|KafkaAdminClient|NetworkClient|Admin).java"/>
    <suppress checks="ClassFanOutComplexity"
              files="(SaslServerAuthenticator|SaslAuthenticatorTest).java"/>
    <suppress checks="ClassFanOutComplexity"
              files="Errors.java"/>
    <suppress checks="ClassFanOutComplexity"
              files="Utils.java"/>
    <suppress checks="ClassFanOutComplexity"
              files="AbstractRequest.java"/>
    <suppress checks="ClassFanOutComplexity"
              files="AbstractResponse.java"/>

    <suppress checks="MethodLength"
              files="(KerberosLogin|RequestResponseTest|ConnectMetricsRegistry|KafkaConsumer|AbstractStickyAssignor).java"/>

    <suppress checks="ParameterNumber"
              files="NetworkClient.java|FieldSpec.java"/>
    <suppress checks="ParameterNumber"
              files="KafkaConsumer.java"/>
    <suppress checks="ParameterNumber"
              files="Fetcher.java"/>
    <suppress checks="ParameterNumber"
              files="Sender.java"/>
    <suppress checks="ParameterNumber"
              files="ConfigDef.java"/>
    <suppress checks="ParameterNumber"
              files="DefaultRecordBatch.java"/>
    <suppress checks="ParameterNumber"
              files="Sender.java"/>

    <suppress checks="ClassDataAbstractionCoupling"
              files="(KafkaConsumer|ConsumerCoordinator|Fetcher|KafkaProducer|AbstractRequest|AbstractResponse|TransactionManager|Admin|KafkaAdminClient).java"/>
    <suppress checks="ClassDataAbstractionCoupling"
              files="(Errors|SaslAuthenticatorTest|AgentTest|CoordinatorTest).java"/>

    <suppress checks="BooleanExpressionComplexity"
              files="(Utils|Topic|KafkaLZ4BlockOutputStream|AclData|JoinGroupRequest).java"/>

    <suppress checks="CyclomaticComplexity"
              files="(ConsumerCoordinator|Fetcher|Sender|KafkaProducer|BufferPool|ConfigDef|RecordAccumulator|KerberosLogin|AbstractRequest|AbstractResponse|Selector|SslFactory|SslTransportLayer|SaslClientAuthenticator|SaslClientCallbackHandler|SaslServerAuthenticator|AbstractCoordinator|TransactionManager|AbstractStickyAssignor).java"/>

    <suppress checks="JavaNCSS"
              files="(AbstractRequest|KerberosLogin|WorkerSinkTaskTest|TransactionManagerTest|SenderTest|KafkaAdminClient|ConsumerCoordinatorTest).java"/>

    <suppress checks="NPathComplexity"
              files="(ConsumerCoordinator|BufferPool|Fetcher|MetricName|Node|ConfigDef|RecordBatch|SslFactory|SslTransportLayer|MetadataResponse|KerberosLogin|Selector|Sender|Serdes|TokenInformation|Agent|Values|PluginUtils|MiniTrogdorCluster|TasksRequest|KafkaProducer|AbstractStickyAssignor).java"/>

    <suppress checks="(JavaNCSS|CyclomaticComplexity|MethodLength)"
              files="CoordinatorClient.java"/>
    <suppress checks="(UnnecessaryParentheses|BooleanExpressionComplexity|CyclomaticComplexity|WhitespaceAfter|LocalVariableName)"
              files="Murmur3.java"/>

    <suppress checks="(NPathComplexity|ClassFanOutComplexity|CyclomaticComplexity|ClassDataAbstractionCoupling|LocalVariableName|MemberName|ParameterName|MethodLength|JavaNCSS)"
            files="clients[\\/]src[\\/](generated|generated-test)[\\/].+.java$"/>

    <suppress checks="NPathComplexity"
            files="MessageTest.java"/>

    <!-- clients tests -->
    <suppress checks="ClassDataAbstractionCoupling"
              files="(Sender|Fetcher|KafkaConsumer|Metrics|RequestResponse|TransactionManager|KafkaAdminClient|Message|KafkaProducer)Test.java"/>

    <suppress checks="ClassFanOutComplexity"
              files="(ConsumerCoordinator|KafkaConsumer|RequestResponse|Fetcher|KafkaAdminClient|Message|KafkaProducer)Test.java"/>

    <suppress checks="ClassFanOutComplexity"
              files="MockAdminClient.java"/>

    <suppress checks="JavaNCSS"
              files="RequestResponseTest.java|FetcherTest.java"/>

    <suppress checks="NPathComplexity"
              files="MemoryRecordsTest|MetricsTest"/>

    <suppress checks="(WhitespaceAround|LocalVariableName|ImportControl|AvoidStarImport)"
              files="Murmur3Test.java"/>

    <!-- Connect -->
    <suppress checks="ClassFanOutComplexity"
              files="DistributedHerder(|Test).java"/>
    <suppress checks="ClassFanOutComplexity"
              files="Worker.java"/>
    <suppress checks="MethodLength"
              files="(KafkaConfigBackingStore|IncrementalCooperativeAssignor|RequestResponseTest|WorkerSinkTaskTest).java"/>

    <suppress checks="ParameterNumber"
              files="Worker(SinkTask|SourceTask|Coordinator).java"/>
    <suppress checks="ParameterNumber"
              files="ConfigKeyInfo.java"/>

    <suppress checks="ClassDataAbstractionCoupling"
              files="(RestServer|AbstractHerder|DistributedHerder).java"/>

    <suppress checks="BooleanExpressionComplexity"
              files="JsonConverter.java"/>

    <suppress checks="CyclomaticComplexity"
              files="ConnectRecord.java"/>
    <suppress checks="CyclomaticComplexity"
              files="JsonConverter.java"/>
    <suppress checks="CyclomaticComplexity"
              files="FileStreamSourceTask.java"/>
    <suppress checks="CyclomaticComplexity"
              files="DistributedHerder.java"/>
    <suppress checks="CyclomaticComplexity"
              files="KafkaConfigBackingStore.java"/>
    <suppress checks="CyclomaticComplexity"
              files="(Values|ConnectHeader|ConnectHeaders).java"/>
    <suppress checks="CyclomaticComplexity"
              files="RocksDBGenericOptionsToDbOptionsColumnFamilyOptionsAdapterTest.java"/>

    <suppress checks="JavaNCSS"
              files="KafkaConfigBackingStore.java"/>
    <suppress checks="JavaNCSS"
              files="Values.java"/>

    <suppress checks="NPathComplexity"
              files="(DistributedHerder|RestClient|JsonConverter|KafkaConfigBackingStore|FileStreamSourceTask).java"/>

    <suppress checks="MethodLength"
              files="Values.java"/>

    <!-- connect tests-->
    <suppress checks="ClassDataAbstractionCoupling"
              files="(DistributedHerder|KafkaBasedLog)Test.java"/>

    <suppress checks="ClassFanOutComplexity"
              files="(WorkerSinkTask|WorkerSourceTask)Test.java"/>

    <!-- Streams -->
    <suppress checks="ClassFanOutComplexity"
              files="(TopologyBuilder|KafkaStreams|KStreamImpl|KTableImpl|StreamThread|StreamTask).java"/>

    <suppress checks="MethodLength"
              files="(KTableImpl|StreamsPartitionAssignor.java)"/>

    <suppress checks="ParameterNumber"
              files="StreamTask.java"/>
    <suppress checks="ParameterNumber"
              files="RocksDBWindowStoreSupplier.java"/>

    <suppress checks="ClassDataAbstractionCoupling"
              files="(TopologyBuilder|KStreamImpl|StreamsPartitionAssignor|KafkaStreams|KTableImpl).java"/>

    <suppress checks="CyclomaticComplexity"
              files="TopologyBuilder.java"/>
    <suppress checks="CyclomaticComplexity"
              files="StreamsPartitionAssignor.java"/>
    <suppress checks="CyclomaticComplexity"
              files="StreamThread.java"/>

    <suppress checks="JavaNCSS"
              files="StreamsPartitionAssignor.java"/>

    <suppress checks="NPathComplexity"
              files="(AssignorConfiguration|InternalTopologyBuilder|KafkaStreams|ProcessorStateManager|StreamsPartitionAssignor|StreamThread|TaskManager).java"/>

    <suppress checks="(FinalLocalVariable|UnnecessaryParentheses|BooleanExpressionComplexity|CyclomaticComplexity|WhitespaceAfter|LocalVariableName)"
              files="Murmur3.java"/>

    <!-- suppress FinalLocalVariable outside of the streams package. -->
    <suppress checks="FinalLocalVariable"
              files="^(?!.*[\\/]org[\\/]apache[\\/]kafka[\\/]streams[\\/].*$)"/>

    <!-- generated code -->
    <suppress checks="(NPathComplexity|ClassFanOutComplexity|CyclomaticComplexity|ClassDataAbstractionCoupling|FinalLocalVariable|LocalVariableName|MemberName|ParameterName|MethodLength|JavaNCSS)"
              files="streams[\\/]src[\\/](generated|generated-test)[\\/].+.java$"/>


    <!-- Streams tests -->
    <suppress checks="ClassFanOutComplexity"
              files="(StreamThreadTest|StreamTaskTest|ProcessorTopologyTestDriver).java"/>

    <suppress checks="MethodLength"
              files="KStreamKTableJoinIntegrationTest.java"/>
    <suppress checks="MethodLength"
              files="KStreamKStreamJoinTest.java"/>
    <suppress checks="MethodLength"
              files="KStreamWindowAggregateTest.java"/>
    <suppress checks="MethodLength"
              files="RocksDBWindowStoreTest.java"/>

    <suppress checks="MemberName"
              files="StreamsPartitionAssignorTest.java"/>

    <suppress checks="ClassDataAbstractionCoupling"
              files=".*[/\\]streams[/\\].*test[/\\].*.java"/>

    <suppress checks="BooleanExpressionComplexity"
              files="SmokeTestDriver.java"/>

    <suppress checks="CyclomaticComplexity"
              files="KStreamKStreamJoinTest.java|KTableKTableForeignKeyJoinIntegrationTest.java"/>
    <suppress checks="CyclomaticComplexity"
              files="RelationalSmokeTest.java|SmokeTestDriver.java"/>

    <suppress checks="JavaNCSS"
              files="KStreamKStreamJoinTest.java"/>
    <suppress checks="JavaNCSS"
              files="SmokeTestDriver.java"/>

    <suppress checks="NPathComplexity"
              files="EosTestDriver|KStreamKStreamJoinTest.java|RelationalSmokeTest.java|SmokeTestDriver.java|KStreamKStreamLeftJoinTest.java|KTableKTableForeignKeyJoinIntegrationTest.java"/>

    <suppress checks="(FinalLocalVariable|WhitespaceAround|LocalVariableName|ImportControl|AvoidStarImport)"
              files="Murmur3Test.java"/>


    <!-- Streams Test-Utils -->
    <suppress checks="ClassFanOutComplexity"
              files="TopologyTestDriver.java"/>
    <suppress checks="ClassDataAbstractionCoupling"
              files="TopologyTestDriver.java"/>

    <!-- Tools -->
    <suppress checks="ClassDataAbstractionCoupling"
              files="VerifiableConsumer.java"/>

    <suppress checks="CyclomaticComplexity"
              files="(StreamsResetter|ProducerPerformance|Agent).java"/>
    <suppress checks="BooleanExpressionComplexity"
              files="StreamsResetter.java"/>
    <suppress checks="NPathComplexity"
              files="(ProducerPerformance|StreamsResetter|Agent|TransactionalMessageCopier).java"/>
    <suppress checks="ImportControl"
              files="SignalLogger.java"/>
    <suppress checks="IllegalImport"
              files="SignalLogger.java"/>
    <suppress checks="ParameterNumber"
              files="ProduceBenchSpec.java"/>
    <suppress checks="ParameterNumber"
              files="SustainedConnectionSpec.java"/>

    <!-- Log4J-Appender -->
    <suppress checks="CyclomaticComplexity"
              files="KafkaLog4jAppender.java"/>

    <suppress checks="NPathComplexity"
              files="KafkaLog4jAppender.java"/>
    <suppress checks="JavaNCSS"
              files="RequestResponseTest.java"/>

</suppressions>