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72,176 symbols 309,847 edges 6,653 files 17,935 documented · 25%

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README

Jena README

Welcome to Apache Jena, a Java framework for writing Semantic Web applications.

See https://jena.apache.org/ for the project website, including documentation.

The codebase for the active modules is in git:

https://github.com/apache/jena

Extension points exported contracts — how you extend this code

Disposable (Interface)

Interface typically used for removing listener registrations [261 implementers]

jena-serviceenhancer/src/main/java/org/apache/jena/sparql/service/enhancer/slice/api/Disposable.java

Sink (Interface)

Interface for the destination of things [16 implementers]

jena-base/src/main/java/org/apache/jena/atlas/lib/Sink.java

ArgModule (Interface)

jena-cmds/src/main/java/org/apache/jena/cmd/ArgModule.java

TextDatasetChanges (Interface)

Interface for notification of changes (adds and deletes of quads) to a DatasetGraph [8 implementers]

jena-text/src/main/java/org/apache/jena/query/text/changes/TextDatasetChanges.java

OntFacetRestriction (Interface)

Interface encapsulating an Ontology Facet Restriction abstraction. @see <a href="https://www.w3.org/TR/owl2-quick-refer [72 …

jena-ontapi/src/main/java/org/apache/jena/ontapi/model/OntFacetRestriction.java

FusekiModule (Interface)

Module extension interface for Fuseki. A module is additional code and it can be part of the application code. Calls [17 …

jena-fuseki2/jena-fuseki-main/src/main/java/org/apache/jena/fuseki/main/sys/FusekiModule.java

Handler (Interface)

The base interface for handlers. [19 implementers]

jena-querybuilder/src/main/java/org/apache/jena/arq/querybuilder/handlers/Handler.java

CompareNodesEvent (Interface)

Base class for events resulting from evaluating constraints that compare value nodes with other nodes, such as sh: [8 …

jena-shacl/src/main/java/org/apache/jena/shacl/validation/event/CompareNodesEvent.java

Core symbols most depended-on inside this repo

add

called by 2438

jena-core/src/main/java/org/apache/jena/rdf/model/Seq.java

createProperty

called by 2226

jena-core/src/main/java/org/apache/jena/rdf/model/Model.java

createResource

called by 2210

jena-core/src/main/java/org/apache/jena/rdf/model/Model.java

println

called by 2150

jena-base/src/main/java/org/apache/jena/atlas/io/AWriter.java

called by 1860

jena-langtag/src/main/java/org/apache/jena/langtag/LangTag.java

asNode

called by 1811

jena-core/src/main/java/org/apache/jena/graph/FrontsNode.java

append

called by 1748

jena-core/src/main/java/org/apache/jena/rdf/model/RDFList.java

create

called by 1724

jena-core/src/main/java/org/apache/jena/graph/Triple.java

Shape

Method 64,234

Class 6,946

Interface 768

Enum 166

Function 62

Languages

Java100%

TypeScript1%

Python1%

Modules by API surface

jena-arq/src/main/java/org/apache/jena/riot/protobuf/wire/PB_RDF.java1,163 symbols

jena-iri3986/src/test/java/org/apache/jena/rfc3986/TestRelativeVariants.java410 symbols

jena-arq/src/test/java/org/apache/jena/sparql/expr/TestSPARQLKeywordFunctions.java396 symbols

jena-arq/src/main/java/org/apache/jena/sparql/lang/arq/javacc/ARQParser.java380 symbols

jena-arq/src/test/java/org/apache/jena/sparql/expr/TestExpressions.java308 symbols

jena-ontapi/src/main/java/org/apache/jena/ontapi/impl/objects/OntClassImpl.java283 symbols

jena-arq/src/test/java/org/apache/jena/riot/tokens/TestTokenizerText.java267 symbols

jena-cmds/src/main/java/jena/schemagen.java235 symbols

jena-arq/src/main/java/org/apache/jena/sparql/lang/sparql_12/javacc/SPARQLParser12.java177 symbols

jena-arq/src/test/java/org/apache/jena/query/TestParameterizedSparqlString.java173 symbols

jena-arq/src/test/java/org/apache/jena/riot/lang/rdfxml/converted_legacy/TestAPR1_W3C_WG.java167 symbols

jena-arq/src/test/java/org/apache/jena/sparql/expr/TestXSDFuncOp.java161 symbols

For agents

$ claude mcp add jena \
  -- python -m otcore.mcp_server <graph>

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