Package n10s

Class RDFToLPGStatementProcessor

java.lang.Object
n10s.ConfiguredStatementHandler
n10s.RDFToLPGStatementProcessor
All Implemented Interfaces:
org.eclipse.rdf4j.rio.RDFHandler
Direct Known Subclasses:
DirectStatementDeleter, DirectStatementLoader, OntologyImporter, RDFQuadDirectStatementDeleter, RDFQuadDirectStatementLoader, SkosImporter, StatementPreviewer
public abstract class RDFToLPGStatementProcessor extends ConfiguredStatementHandler
Created by jbarrasa on 15/04/2019.

  • Field Details

    • RELATIONSHIP

      public static final int RELATIONSHIP
      See Also:

    • LABEL

      public static final int LABEL
      See Also:

    • PROPERTY

      public static final int PROPERTY
      See Also:

    • DATATYPE

      public static final int DATATYPE
      See Also:

    • log

      protected final org.neo4j.logging.Log log

    • tx

      protected org.neo4j.graphdb.Transaction tx

    • parserConfig

      protected final RDFParserConfig parserConfig

    • graphdb

      protected org.neo4j.graphdb.GraphDatabaseService graphdb

    • namespaces

      protected NsPrefixMap namespaces

    • statements

      protected Set<org.eclipse.rdf4j.model.Statement> statements

    • resourceProps

      protected Map<String,Map<String,Object>> resourceProps

    • relProps

      protected Map<org.eclipse.rdf4j.model.Statement,Map<String,Object>> relProps

    • resourceLabels

      protected Map<String,Set<String>> resourceLabels

    • totalTriplesParsed

      public long totalTriplesParsed

    • totalTriplesMapped

      public long totalTriplesMapped

    • mappedTripleCounter

      public long mappedTripleCounter

    • vf

      protected final org.eclipse.rdf4j.model.ValueFactory vf

    • loadWarnings

      protected StringBuilder loadWarnings

    • datatypeConflictFound

      protected boolean datatypeConflictFound

  • Constructor Details

    • RDFToLPGStatementProcessor

      public RDFToLPGStatementProcessor(org.neo4j.graphdb.GraphDatabaseService db, org.neo4j.graphdb.Transaction tx, RDFParserConfig conf, org.neo4j.logging.Log l)

  • Method Details

    • getObjectValue

      protected Object getObjectValue(org.eclipse.rdf4j.model.IRI propertyIRI, org.eclipse.rdf4j.model.Literal object)
      Processing for literals as follows Mapping according to this figure: https://www.w3.org/TR/xmlschema11-2/#built-in-datatypes String -> String Each sub-category of integer -> long decimal, float, and double -> double boolean -> boolean Custom data type -> String (value + CUSTOM_DATA_TYPE_SEPERATOR + custom DT IRI)
      Returns:
      processed literal

    • getValueWithDatatype

      protected String getValueWithDatatype(org.eclipse.rdf4j.model.IRI datatype, String value)

    • handleComment

      public void handleComment(String comment) throws org.eclipse.rdf4j.rio.RDFHandlerException
      Throws:
      org.eclipse.rdf4j.rio.RDFHandlerException

    • handleIRI

      protected String handleIRI(org.eclipse.rdf4j.model.IRI iri, int elementType)

    • startRDF

      public void startRDF() throws org.eclipse.rdf4j.rio.RDFHandlerException
      Throws:
      org.eclipse.rdf4j.rio.RDFHandlerException

    • handleNamespace

      public void handleNamespace(String prefix, String uri) throws org.eclipse.rdf4j.rio.RDFHandlerException
      Throws:
      org.eclipse.rdf4j.rio.RDFHandlerException

    • addStatement

      protected void addStatement(org.eclipse.rdf4j.model.Statement st)

    • setProp

      protected boolean setProp(String subjectUri, org.eclipse.rdf4j.model.IRI propertyIRI, org.eclipse.rdf4j.model.Literal propValueRaw)

    • setLabel

      protected void setLabel(String subjectUri, String label)

    • handleStatement

      public void handleStatement(org.eclipse.rdf4j.model.Statement st)

    • addRelProp

      protected boolean addRelProp(org.eclipse.rdf4j.model.Statement stmt, org.eclipse.rdf4j.model.IRI predicate, org.eclipse.rdf4j.model.Literal propValueRaw)

    • getParserConfig

      public RDFParserConfig getParserConfig()
      Specified by:
      getParserConfig in class ConfiguredStatementHandler

    • getNamespaces

      public Map<String,String> getNamespaces()

    • toPropertyValue

      protected Object toPropertyValue(Object value)

    • defaultToString

      protected List<String> defaultToString(Iterator it)

    • periodicOperation

      protected abstract void periodicOperation()

    • getWarnings

      public String getWarnings()