JetBrains / youtrackdb 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 16,231 units with 166,437 lines of code in units (77.9% of code).

15 very complex units (8,252 lines of code)
66 complex units (7,700 lines of code)
434 medium complex units (23,552 lines of code)
1,075 simple units (28,895 lines of code)
14,641 very simple units (98,038 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 int jjMoveNfa_0() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/YouTrackDBSqlTokenManager.java	4355	2318	2
public int compare() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/binary/BinaryComparatorV0.java	594	222	3
private WriteableWALRecord walRecordById() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/storage/impl/local/paginated/wal/WALRecordsFactory.java	462	150	1
public boolean isEqual() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/binary/BinaryComparatorV0.java	571	131	3
public static RET getFieldValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityHelper.java	365	119	4
public static int parse() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/StringSerializerHelper.java	219	87	14
private static void validateProperty() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityImpl.java	261	77	4
private void addToSet() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/schedule/CronExpression.java	120	70	4
private int storeExpressionVals() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/schedule/CronExpression.java	174	68	3
public synchronized Date getTimeAfter() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/schedule/CronExpression.java	314	65	1
private Object convertPropertyValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/executor/ResultInternal.java	195	54	1
private final int jjStopStringLiteralDfa_0() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/YouTrackDBSqlTokenManager.java	182	54	5
public static Number increment() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/metadata/schema/PropertyTypeInternal.java	183	53	2
public ImmutableSchemaProperty() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/metadata/schema/ImmutableSchemaProperty.java	127	52	3
public Map readNextRecord() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/JSONReader.java	130	51	6
private RecordMetadata parseRecordMetadata() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/string/JSONSerializerJackson.java	187	50	5
public static PropertyTypeInternal getType() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/string/RecordSerializerStringAbstract.java	98	49	1
private void importSchema() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/db/tool/DatabaseImport.java	208	49	1
public String nextCommand() in core/src/main/java/com/jetbrains/youtrackdb/internal/common/console/ConsoleCommandStream.java	166	49	0
public static Object parseValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/SQLHelper.java	186	47	7
public static Object evaluateFunction() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityHelper.java	136	47	3
protected String parserNextWord() in core/src/main/java/com/jetbrains/youtrackdb/internal/common/parser/BaseParser.java	137	47	3
public String readLine() in core/src/main/java/com/jetbrains/youtrackdb/internal/common/console/TTYConsoleReader.java	158	47	0
public static T convert() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/metadata/schema/PropertyTypeInternal.java	101	46	3
protected RESULT execute() in core/src/main/java/com/jetbrains/youtrackdb/internal/common/console/ConsoleApplication.java	150	46	1
public void executeWriteRecords() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/storage/impl/local/paginated/wal/cas/CASDiskWriteAheadLog.java	207	42	2
protected Object executeSQLScript() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/command/script/CommandExecutorScript.java	150	41	2
protected void repairEdges() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/db/tool/GraphRepair.java	177	41	5
public static Object getTypeValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/string/RecordSerializerStringAbstract.java	106	40	2
private boolean handleClassAsTargetWithIndexedFunction() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/executor/SelectExecutionPlanner.java	154	39	5
public Number apply() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/SQLMathExpression.java	70	39	3
protected Object evaluate() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/functions/coll/SQLFunctionTraversedElement.java	124	39	4
public static Object fieldTypeFromStream() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/StringSerializerHelper.java	121	38	4
private Object execute() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/SQLCreateLinkStatement.java	186	38	1
public List execute() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/functions/graph/SQLFunctionShortestPath.java	129	38	5
public int compare() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/SQLOrderByItem.java	104	37	3
public boolean deserializeProperties() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityImpl.java	81	37	1
protected static SecurityResource parseResource() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/metadata/security/SecurityResource.java	125	36	1
public Object evaluate() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/filter/SQLFilterCondition.java	107	36	3
private void restoreFromIncrementalBackup() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/storage/disk/DiskStorage.java	168	36	7
public void fieldToStream() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/string/RecordSerializerCSVAbstract.java	162	35	8
private int jjMoveStringLiteralDfa1_0() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/sql/parser/YouTrackDBSqlTokenManager.java	88	35	3
public void checkAllMultiValuesAreTrackedVersions() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityImpl.java	101	34	0
protected void repairVertices() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/db/tool/GraphRepair.java	155	34	5
public static Object remove() in core/src/main/java/com/jetbrains/youtrackdb/internal/common/collection/MultiValue.java	125	33	3
public static String writeValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/JSONWriter.java	97	32	5
protected Object deserializeValue() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/record/binary/RecordSerializerBinaryV1.java	122	32	6
private static boolean compareScalarValues() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/record/impl/EntityHelper.java	62	32	5
public JSONReader readNext() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/serialization/serializer/JSONReader.java	83	31	5
public int removeLeafEntry() in core/src/main/java/com/jetbrains/youtrackdb/internal/core/storage/index/sbtree/multivalue/v2/CellBTreeMultiValueV2Bucket.java	200	31	2