Class SPARQLExpression

Compile and evaluate a SPARQL expression (found in FILTER clauses, for example)

author: Thomas Minier

Hierarchy

SPARQLExpression

Index

Constructors

constructor

Properties

_expression

Methods

Constructors

constructor

new SPARQLExpression(expression: InputExpression, customFunctions?: CustomFunctions): SPARQLExpression

- Defined in src/operators/expressions/sparql-expression.ts:108
Constructor

Parameters
- expression: InputExpression
  
  SPARQL expression
- Optional customFunctions: CustomFunctions
Returns SPARQLExpression

Properties

Private _expression

_expression: CompiledExpression

Methods

Private _compileExpression

_compileExpression(expression: InputExpression, customFunctions: CustomFunctions): CompiledExpression

- Defined in src/operators/expressions/sparql-expression.ts:125
Recursively compile a SPARQL expression into a function

Parameters
- expression: InputExpression
  
  SPARQL expression
- customFunctions: CustomFunctions
Returns CompiledExpression

Compiled SPARQL expression

evaluate

evaluate(bindings: Bindings): ExpressionOutput

- Defined in src/operators/expressions/sparql-expression.ts:209
Evaluate the expression using a set of mappings

Parameters
- bindings: Bindings
  
  Set of mappings
Returns ExpressionOutput

Results of the evaluation

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