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    GraphPattern Class

    Defined in: src/sparql/graph-pattern.js:6

    The GraphPattern represents a list of Triples, Filters and Queries

    Constructor

    GraphPattern

    (
    • elements
    • optional
    • union
    • allowedTypes
    )

    Defined in src/sparql/graph-pattern.js:6

    Parameters:

    • elements Object | Array
      • Initial item(s) for the GraphPattern
    • optional Boolean
      • Set the OPTIONAL flag (for use within GroupGraphPatterns)
    • union Boolean
      • Set the UNION flag (for use within GroupGraphPatterns)
    • allowedTypes Boolean
      • Override the default allowed types (Triple, Filter and Query)

    Methods

    addElement

    (
    • element
    • atIndex
    )

    Defined in src/sparql/graph-pattern.js:30

    Adds an element to the pattern

    Parameters:

    • element Object
      • Single item to add
    • atIndex Number
      • Optional index for the added element (default is end of list)

    clear

    ()

    Defined in src/sparql/graph-pattern.js:83

    Clear the pattern

    countElements

    () Number

    Defined in src/sparql/graph-pattern.js:73

    Get the element count

    Returns:

    Number:

    getElements

    () Array

    Defined in src/sparql/graph-pattern.js:63

    Retrieves the elements from the pattern

    Returns:

    Array:

    removeElements

    (
    • atIndex
    • count
    )

    Defined in src/sparql/graph-pattern.js:48

    Removes one or more elements from the pattern

    Parameters:

    • atIndex Number
      • Index of item to remove (default is first)
    • count Number
      • Number of elements to remove (default is 1)

    toString

    () String

    Defined in src/sparql/graph-pattern.js:92

    Retrieves the SPARQL string representation of the current instance

    Returns:

    String: