opensearch-project / OpenSearch
Conditional Complexity

The distribution of complexity of units (measured with McCabe index).

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).
Learn more...
Conditional Complexity Overall
  • There are 49,007 units with 491,715 lines of code in units (73.0% of code).
    • 15 very complex units (3,335 lines of code)
    • 81 complex units (9,587 lines of code)
    • 745 medium complex units (44,636 lines of code)
    • 2,163 simple units (70,045 lines of code)
    • 46,003 very simple units (364,112 lines of code)
<1% | 1% | 9% | 14% | 74%
Legend:
51+
26-50
11-25
6-10
1-5
Alternative Visuals
Conditional Complexity per Extension
51+
26-50
11-25
6-10
1-5
java<1% | 1% | 9% | 14% | 74%
groovy14% | 0% | 19% | 8% | 57%
py0% | 0% | 0% | 0% | 100%
Conditional Complexity per Logical Component
primary logical decomposition
51+
26-50
11-25
6-10
1-5
server<1% | 1% | 8% | 14% | 74%
modules3% | 4% | 13% | 13% | 65%
buildSrc2% | 0% | 7% | 16% | 74%
plugins0% | 3% | 8% | 13% | 74%
client0% | 1% | 2% | 9% | 85%
libs0% | <1% | 9% | 20% | 70%
distribution0% | 0% | 18% | 22% | 59%
doc-tools0% | 0% | 13% | 34% | 51%
benchmarks0% | 0% | 0% | 21% | 78%
qa0% | 0% | 0% | 22% | 77%
dev-tools0% | 0% | 0% | 0% | 100%
Most Complex Units
Top 20 most complex units
Unit# linesMcCabe index# params
public static PainlessCast getLegalCast()
in modules/lang-painless/src/main/java/org/opensearch/painless/AnalyzerCaster.java
380 298 5
Table buildTable()
in server/src/main/java/org/opensearch/rest/action/cat/RestIndicesAction.java
184 131 5
Table buildTable()
in server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java
166 113 5
public void visitDot()
in modules/lang-painless/src/main/java/org/opensearch/painless/phase/DefaultSemanticAnalysisPhase.java
307 91 2
public static JodaDateFormatter forPattern()
in server/src/main/java/org/opensearch/common/joda/Joda.java
221 91 1
public final RstatementContext rstatement()
in modules/lang-painless/src/main/java/org/opensearch/painless/antlr/PainlessParser.java
278 90 0
static DateFormatter forPattern()
in server/src/main/java/org/opensearch/common/time/DateFormatters.java
197 88 1
public TokenStream create()
in modules/analysis-common/src/main/java/org/opensearch/analysis/common/StemmerTokenFilterFactory.java
124 83 1
public void parseXContent()
in server/src/main/java/org/opensearch/search/builder/SearchSourceBuilder.java
204 65 2
public void restoreSnapshot()
in server/src/main/java/org/opensearch/snapshots/RestoreService.java
451 60 2
public IngestDocument execute()
in modules/ingest-user-agent/src/main/java/org/opensearch/ingest/useragent/UserAgentProcessor.java
140 56 1
private void parseSource()
in server/src/main/java/org/opensearch/search/SearchService.java
176 54 3
public void visitComparison()
in modules/lang-painless/src/main/java/org/opensearch/painless/phase/DefaultConstantFoldingOptimizationPhase.java
210 53 2
public void writeCast()
in modules/lang-painless/src/main/java/org/opensearch/painless/MethodWriter.java
76 52 1
void executeTask()
in buildSrc/src/main/groovy/org/opensearch/gradle/doc/SnippetsTask.groovy
221 52 0
public void visitBinaryMath()
in modules/lang-painless/src/main/java/org/opensearch/painless/phase/DefaultConstantFoldingOptimizationPhase.java
326 49 2
public void visitBrace()
in modules/lang-painless/src/main/java/org/opensearch/painless/phase/DefaultSemanticAnalysisPhase.java
125 46 2
public static IndexMetadata fromXContent()
in server/src/main/java/org/opensearch/cluster/metadata/IndexMetadata.java
138 46 1
private NoncondexpressionContext noncondexpression()
in modules/lang-painless/src/main/java/org/opensearch/painless/antlr/PainlessParser.java
223 44 1
public boolean match()
in server/src/main/java/org/opensearch/cluster/node/DiscoveryNodeFilters.java
109 43 1