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Class PathStageBuilder

The base class to implements to evaluate Property Paths. A subclass of this class only has to implement the _executePropertyPath method to provide an execution logic for property paths.

abstract
author

Thomas Minier

Hierarchy

Index

Constructors

constructor

Properties

Protected _builder

_builder: PlanBuilder | null = null

Protected _dataset

_dataset: Dataset

Accessors

builder

dataset

Methods

_buildIterator

Abstract _executePropertyPath

_getGraph

  • _getGraph(iris: string[]): Graph
  • Return the RDF Graph to be used for BGP evaluation.

    • If iris is empty, returns the default graph
    • If iris has a single entry, returns the corresponding named graph
    • Otherwise, returns an UnionGraph based on the provided iris

    Parameters

    • iris: string[]

      List of Graph's iris

    Returns Graph

    An RDF Graph

execute

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