Class Canonicalizer

Utility for canonicalizing SPARQL Algebra operations by replacing blank node and variable names with deterministic generated names. Useful for comparing algebra representations in tests.

Index

Constructors

Properties

Methods

canonicalizeQuery genValue replaceValue

Constructors

constructor

new Canonicalizer(): Canonicalizer
Returns Canonicalizer
- Defined in packages/algebra-transformations-1-1/lib/canonicalizer.ts:13

Properties

blankId

blankId: number

Methods

canonicalizeQuery

canonicalizeQuery(
res: Algebra.Operation,
replaceVariables: boolean,
): Algebra.Operation
Replaces values of BlankNodes in a query with newly generated names.
Parameters
- res: Algebra.Operation
- replaceVariables: boolean
Returns Algebra.Operation
- Defined in packages/algebra-transformations-1-1/lib/canonicalizer.ts:27

genValue

genValue(): string
Returns string
- Defined in packages/algebra-transformations-1-1/lib/canonicalizer.ts:18

replaceValue

replaceValue(
    term: Term,
    nameMapping: Record<string, string>,
    replaceVars: boolean,
    factory: AlgebraFactory,
): Term
Parameters
- term: Term
- nameMapping: Record<string, string>
- replaceVars: boolean
- factory: AlgebraFactory
Returns Term
- Defined in packages/algebra-transformations-1-1/lib/canonicalizer.ts:60