apache / jackrabbit - 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 16,213 units with 161,022 lines of code in units (73.6% of code).

22 very complex units (4,498 lines of code)
46 complex units (5,328 lines of code)
367 medium complex units (20,478 lines of code)
1,060 simple units (30,442 lines of code)
14,718 very simple units (100,276 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 final int jjMoveNfa_0() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParserTokenManager.java	619	281	2
final public void PathExpr() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	197	136	0
final public void Predicate() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParser.java	299	113	0
final public void QueryList() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	136	99	0
final public void Module() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	133	97	0
public static Value convert() in jackrabbit-jcr-commons/src/main/java/org/apache/jackrabbit/value/ValueHelper.java	283	96	3
final public void CompElemConstructor() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	183	88	0
final public void CompAttrConstructor() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	183	88	0
final public void CompPIConstructor() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	183	88	0
private static Path parse() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/conversion/PathParser.java	207	85	6
final public void FunctionCall() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	134	84	0
public Object visit() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/LuceneQueryBuilder.java	303	78	2
final public void ExprSingle() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	93	76	0
final public void ParenthesizedExpr() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	86	76	0
final public void StepExpr() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	105	72	0
private static EffectiveNodeType validateNodeTypeDef() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/nodetype/NodeTypeRegistry.java	263	68	5
final public void ValueExpr() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	79	68	0
private QueryNode createFunction() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPathQueryBuilder.java	260	65	2
public Object visit() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPathQueryBuilder.java	194	61	2
protected void internalRestoreFrozen() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/version/VersionManagerImplRestore.java	205	60	6
public EffectiveNodeType validateNodeTypeDef() in jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/nodetype/DefinitionValidator.java	215	55	2
private final int jjMoveStringLiteralDfa0_0() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParserTokenManager.java	138	53	0
public static Name parse() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/conversion/NameParser.java	116	50	3
final public void DirAttributeValue() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	183	48	0
private void validateTransientItems() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/ItemSaveOperation.java	195	46	3
public void spool() in jackrabbit-jcr-server/src/main/java/org/apache/jackrabbit/webdav/jcr/EventJournalResourceImpl.java	185	43	1
private final int jjMoveStringLiteralDfa1_0() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParserTokenManager.java	130	41	2
private NodeState copyNodeState() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/BatchedItemOperations.java	171	39	7
protected String mergeFragments() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/DefaultHighlighter.java	165	39	10
final public void AxisStep() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	51	39	0
final public void ComparisonExpr() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	96	38	0
public void processReferences() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/security/user/UserImporter.java	136	37	0
private void initialize() in jackrabbit-jcr-commons/src/main/java/org/apache/jackrabbit/commons/query/sql2/Parser.java	83	37	1
final public Name Identifier() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParser.java	119	36	0
final public void DirElemConstructor() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	196	36	0
protected boolean execute() in jackrabbit-webdav/src/main/java/org/apache/jackrabbit/webdav/server/AbstractWebdavServlet.java	108	34	4
final public void SequenceType() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	81	34	0
private void writeState() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/persistence/util/BundleWriter.java	144	33	1
private final int jjMoveStringLiteralDfa2_0() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParserTokenManager.java	93	33	4
final public void ForwardStep() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	45	33	0
synchronized void internalMerge() in jackrabbit-jcr2spi/src/main/java/org/apache/jackrabbit/jcr2spi/nodetype/EffectiveNodeTypeImpl.java	136	32	2
public void begin() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/state/SharedItemStateManager.java	160	31	0
final public void UnaryExpression() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/sql/JCRSQLParser.java	61	31	0
public synchronized void orderBefore() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/NodeImpl.java	99	30	2
public void setMixins() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/NodeImpl.java	161	30	1
public boolean handlePropInfo() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/security/user/UserImporter.java	98	30	3
private void storeInternal() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/persistence/bundle/AbstractBundlePersistenceManager.java	107	30	1
public Object perform() in jackrabbit-core/src/main/java/org/apache/jackrabbit/core/ItemSaveOperation.java	120	30	1
public void parse() in jackrabbit-jcr-commons/src/main/java/org/apache/jackrabbit/commons/json/JsonParser.java	90	30	1
final public void Prolog() in jackrabbit-spi-commons/src/main/java/org/apache/jackrabbit/spi/commons/query/xpath/XPath.java	102	30	0