apache / ignite - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 26,320 units with 233,557 lines of code in units (47.6% of code).

17 very complex units (3,853 lines of code)
106 complex units (11,854 lines of code)
530 medium complex units (28,485 lines of code)
1,246 simple units (34,312 lines of code)
24,421 very simple units (155,053 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
private void sendMessageAcrossRing() in modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java	399	123	1
Expression translateCast() in modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java	401	98	3
public ClientListenerRequest decode() in modules/core/src/main/java/org/apache/ignite/internal/processors/platform/client/ClientMessageParser.java	187	92	1
private void processJoinRequestMessage() in modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java	471	70	1
void write() in modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryClassDescriptor.java	203	65	2
public Object parseValue() in modules/core/src/main/java/org/apache/ignite/internal/binary/builder/BinaryBuilderReader.java	234	64	0
void ConnectionStringParser::HandleAttributePair() in modules/platforms/cpp/odbc/src/config/connection_string_parser.cpp	281	63	3
private void authorize() in modules/core/src/main/java/org/apache/ignite/internal/processors/rest/GridRestProcessor.java	95	62	1
public GridNioSession createNioSession() in modules/core/src/main/java/org/apache/ignite/spi/communication/tcp/internal/GridNioServerWrapper.java	228	58	2
public static void readIgniteConfiguration() in modules/core/src/main/java/org/apache/ignite/internal/processors/platform/utils/PlatformConfigurationUtils.java	188	58	2
public void add() in modules/core/src/main/java/org/apache/ignite/internal/GridKernalContextImpl.java	113	57	2
private static void HandleArray() in modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/BinaryReflectiveActions.cs	171	56	4
private void load0() in modules/core/src/main/java/org/apache/ignite/internal/processors/datastreamer/DataStreamerImpl.java	220	55	6
void onResponse() in modules/core/src/main/java/org/apache/ignite/internal/processors/task/GridTaskWorker.java	199	55	1
private boolean deserialize() in modules/core/src/main/java/org/apache/ignite/internal/processors/performancestatistics/FilePerformanceStatisticsReader.java	211	55	3
void finishJob() in modules/core/src/main/java/org/apache/ignite/internal/processors/job/GridJobWorker.java	172	54	4
public Type getResultClass() in modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/type/IgniteTypeFactory.java	80	52	1
public static BinaryWriteMode mode() in modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryUtils.java	99	49	1
private void onDiscovery0() in modules/core/src/main/java/org/apache/ignite/internal/managers/discovery/GridDiscoveryManager.java	241	48	1
private static SearchBounds createBounds() in modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/util/RexUtils.java	158	47	5
private void processNodeAddedMessage() in modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java	218	47	1
private void bodyInternal() in modules/core/src/main/java/org/apache/ignite/internal/util/nio/GridNioServer.java	193	46	0
private GridSqlCreateTable parseCreateTable() in modules/indexing/src/main/java/org/apache/ignite/internal/processors/query/h2/sql/GridSqlQueryParser.java	141	45	1
void BinaryReaderImpl::Skip() in modules/platforms/cpp/binary/src/impl/binary/binary_reader_impl.cpp	144	45	0
public static Expression convert() in modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/ConverterUtils.java	156	44	3
public static TxTaskResult run() in modules/core/src/main/java/org/apache/ignite/internal/management/tx/TxTask.java	113	44	3
public static ClientOperationType? ToPublicOperationsType() in modules/platforms/dotnet/Apache.Ignite.Core/Impl/Client/ClientOpExtensions.cs	88	44	1
private GridSqlElement parseExpression0() in modules/indexing/src/main/java/org/apache/ignite/internal/processors/query/h2/sql/GridSqlQueryParser.java	164	43	2
private ComputeTaskInternalFuture startTask() in modules/core/src/main/java/org/apache/ignite/internal/processors/task/GridTaskProcessor.java	188	43	6
void skipObject() in modules/core/src/main/java/org/apache/ignite/internal/binary/RawBinaryObjectExtractor.java	122	43	0
public Object getValueQuickly() in modules/core/src/main/java/org/apache/ignite/internal/binary/builder/BinaryBuilderReader.java	96	43	2
private Object readObject0() in modules/core/src/main/java/org/apache/ignite/internal/marshaller/optimized/OptimizedObjectInputStream.java	108	43	0
private static void HandlePrimitive() in modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/BinaryReflectiveActions.cs	124	43	4
private void processStatusCheckMessage() in modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java	117	42	1
public static BinaryFieldAccessor create() in modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryFieldAccessor.java	56	41	2
public void skipValue() in modules/core/src/main/java/org/apache/ignite/internal/binary/builder/BinaryBuilderReader.java	100	41	0
void ReadDsnConfiguration() in modules/platforms/cpp/odbc/src/dsn_config.cpp	72	41	3
public GridCommunicationClient reserveClient() in modules/core/src/main/java/org/apache/ignite/spi/communication/tcp/internal/ConnectionClientPool.java	114	40	2
private synchronized void stop0() in modules/core/src/main/java/org/apache/ignite/internal/IgnitionEx.java	134	40	2
public static Expression translateLiteral() in modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java	92	39	4
protected Object readFixedType() in modules/core/src/main/java/org/apache/ignite/internal/binary/BinaryFieldAccessor.java	120	39	1
private void onQueryRequest0() in modules/indexing/src/main/java/org/apache/ignite/internal/processors/query/h2/twostep/GridMapQueryExecutor.java	252	38	19
private IgniteInternalFuture handleAsyncUnsafe() in modules/core/src/main/java/org/apache/ignite/internal/processors/rest/handlers/task/GridTaskCommandHandler.java	156	38	1
public void start() in modules/core/src/main/java/org/apache/ignite/internal/IgniteKernal.java	282	38	5
private static void processExtraParam() in modules/indexing/src/main/java/org/apache/ignite/internal/processors/query/h2/sql/GridSqlQueryParser.java	132	37	3
public static String getIgniteTypeFromOdbcType() in modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/odbc/OdbcUtils.java	59	37	1
private void fillNodeAttributes() in modules/core/src/main/java/org/apache/ignite/internal/IgniteKernal.java	118	37	1
internal void Write() in modules/platforms/dotnet/Apache.Ignite.Core/IgniteConfiguration.cs	284	37	1
void IgniteError::SetError() in modules/platforms/cpp/common/src/ignite_error.cpp	107	37	4
bool IsSqlTypeSupported() in modules/platforms/cpp/odbc/src/type_traits.cpp	45	37	1