Class Rdf2CsvwConvertor

Privateengine

Privatelocation

Privateoptions

Privatestore

PrivatecreateDescriptor

• createDescriptor(rdfData: string): DescriptorWrapper

  Creates a new descriptor from the rdf data, used only if no descriptor is provided.

  Parameters

  • rdfData: string

    The rdf data to create the descriptor from

  Returns DescriptorWrapper

PrivatecreateQuery

• createQuery(
      table: CsvwTableDescriptionWithRequiredColumns,
      columns: CsvwColumn[],
      useNamedGraphs: boolean,
  ): string

  Creates SPARQL query.

  Parameters

  • table: CsvwTableDescriptionWithRequiredColumns

    CSV Table
  • columns: CsvwColumn[]

    Columns including virtual ones
  • useNamedGraphs: boolean

    Query from named graphs in the SPARQL query

  Returns string

  SPARQL query as a string

PrivatecreateTriplePatterns

• createTriplePatterns(
      table: CsvwTableDescriptionWithRequiredColumns,
      columns: CsvwColumn[],
      index: number,
      subject: string,
  ): string

  Creates SPARQL triple patterns for use in SELECT WHERE query. Triples are created recursively if there are references between the columns.

  Parameters

  • table: CsvwTableDescriptionWithRequiredColumns

    CSV Table
  • columns: CsvwColumn[]

    Columns including virtual ones
  • index: number

    Index of the column for which triples are created
  • subject: string

    Subject of the triple, it must match the other end of the reference between columns

  Returns string

  Triple patterns for given column as a string

PrivateexpandIri

• expandIri(iri: string): string

  Expands an IRI based on the common prefixes.

  Parameters

  • iri: string

    IRI to be expanded

  Returns string

  Expanded IRI

PrivateopenStore

• openStore(): Promise<void>

  Returns Promise<void>

PrivatesetDefaults

• setDefaults(options?: Rdf2CsvOptions): Required<Rdf2CsvOptions>

  Sets the default options for the options not provided.

  Parameters

  • Optionaloptions: Rdf2CsvOptions

  Returns Required<Rdf2CsvOptions>