apache / jackrabbit-oak - 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 31,575 units with 280,373 lines of code in units (70.0% of code).

8 very complex units (1,871 lines of code)
60 complex units (6,953 lines of code)
593 medium complex units (33,799 lines of code)
1,654 simple units (47,206 lines of code)
29,260 very simple units (190,544 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 static Query createQuery() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java	132	77	3
public static boolean parse() in oak-core-spi/src/main/java/org/apache/jackrabbit/oak/namepath/JcrPathParser.java	176	76	2
private Statement convertToStatement() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/xpath/XPathToSQL2Converter.java	300	72	1
public Fields get() in oak-lucene/src/main/java/org/apache/lucene/codecs/compressing/CompressingTermVectorsReader.java	311	67	1
static SolrQuery getQuery() in oak-solr-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/solr/query/FilterQueryParser.java	208	66	3
public Cursor query() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java	271	61	2
synchronized private ReadersAndUpdates commitMergedDeletesAndUpdates() in oak-lucene/src/main/java/org/apache/lucene/index/IndexWriter.java	225	55	2
public Status checkIndex() in oak-lucene/src/main/java/org/apache/lucene/index/CheckIndex.java	248	54	1
FST pack() in oak-lucene/src/main/java/org/apache/lucene/util/fst/FST.java	208	49	3
private int readToken() in oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/json/JsopTokenizer.java	122	49	0
public void restrictPath() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/index/FilterImpl.java	120	45	2
public boolean compareAgainstBaseState() in oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeState.java	148	44	2
private void initialize() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/SQL2Parser.java	106	43	1
public MergeSpecification findMerges() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/writer/CommitMitigatingTieredMergePolicy.java	168	42	2
protected void uninvert() in oak-lucene/src/main/java/org/apache/lucene/index/DocTermOrds.java	171	41	3
public PersistentCache() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java	112	40	1
public static boolean parse() in oak-core-spi/src/main/java/org/apache/jackrabbit/oak/namepath/JcrNameParser.java	93	40	3
public static void minimizeHopcroft() in oak-lucene/src/main/java/org/apache/lucene/util/automaton/MinimizationOperations.java	136	39	1
public Cursor query() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LuceneIndex.java	202	38	2
protected final Query createFieldQuery() in oak-lucene/src/main/java/org/apache/lucene/util/QueryBuilder.java	158	38	6
private void initialize() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/xpath/XPathToSQL2Converter.java	84	38	1
private static void addNonFullTextConstraints() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LuceneIndex.java	116	37	5
void flush() in oak-lucene/src/main/java/org/apache/lucene/index/FreqProxTermsWriterPerField.java	150	37	3
private SegmentNodeStore register() in oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreRegistrar.java	257	37	0
Revision getNewestRevision() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java	113	36	5
FullTextExpression parseTerm() in oak-query-spi/src/main/java/org/apache/jackrabbit/oak/spi/query/fulltext/FullTextParser.java	115	36	0
public Object run() in oak-lucene/src/main/java/org/apache/lucene/index/SegmentInfos.java	123	36	1
public static PropertyValue convert() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/ValueConverter.java	95	36	3
private AbstractIterator getIterator() in oak-solr-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/solr/query/SolrQueryIndex.java	128	35	7
public void execute() in oak-run/src/main/java/org/apache/jackrabbit/oak/run/CheckpointsCommand.java	134	35	1
public static void main() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBExport.java	79	34	1
public int recover() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgent.java	197	33	3
private void read() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/SQL2Parser.java	134	33	0
private static void addNonFullTextConstraints() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java	94	32	3
public MergeSpecification findMerges() in oak-lucene/src/main/java/org/apache/lucene/index/TieredMergePolicy.java	116	32	2
private int mergeMiddle() in oak-lucene/src/main/java/org/apache/lucene/index/IndexWriter.java	173	32	1
public static void main() in oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/sort/ExternalSort.java	87	32	1
public static boolean isFullTextCharacter() in oak-query-spi/src/main/java/org/apache/jackrabbit/oak/spi/query/fulltext/FullTextTerm.java	43	31	1
private SelectorExecutionPlan getBestSelectorExecutionPlan() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/QueryImpl.java	123	31	4
private void applyToDocumentStore() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java	134	30	1
public boolean hasCapability() in oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/session/SessionImpl.java	81	30	3
private boolean indexProperty() in oak-search/src/main/java/org/apache/jackrabbit/oak/plugins/index/search/spi/editor/FulltextDocumentMaker.java	81	30	6
private boolean doExcludes() in oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/filter/ChangeSetFilterImpl.java	76	30	1
public DocumentNodeStore() in oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java	227	29	1
public void purgeBlobsDeleted() in oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/directory/ActiveDeletedBlobCollectorFactory.java	127	29	2
public void mergeSortedSetField() in oak-lucene/src/main/java/org/apache/lucene/codecs/DocValuesConsumer.java	186	29	3
private void read() in oak-core/src/main/java/org/apache/jackrabbit/oak/query/xpath/XPathToSQL2Converter.java	113	29	0
private BlobMigrationCase discoverBlobMigrationCase() in oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/cli/parser/DatastoreArguments.java	29	29	0
void execute() in oak-run/src/main/java/org/apache/jackrabbit/oak/run/JsonIndexCommand.java	84	29	1
private List nonFullTextConstraints() in oak-search-elastic/src/main/java/org/apache/jackrabbit/oak/plugins/index/elastic/query/ElasticRequestHandler.java	80	28	2