Class ExpressionEvaluator

An evaluator for RDF expressions.

Implements

IExpressionEvaluator

Index

Constructors

Properties

bindingsFactory context expr mediatorFunctionFactory mediatorQueryOperation

Methods

evaluate evaluateAsEBV evaluateAsEvaluatorExpression evaluatorExpressionEvaluation

Constructors

constructor

new ExpressionEvaluator(
    context: IActionContext,
    expr: Expression,
    mediatorFunctionFactory: MediatorFunctionFactory,
    mediatorQueryOperation: MediatorQueryOperation,
    bindingsFactory: BindingsFactory,
): ExpressionEvaluator
Parameters
- context: IActionContext
- expr: Expression
- mediatorFunctionFactory: MediatorFunctionFactory
- mediatorQueryOperation: MediatorQueryOperation
- bindingsFactory: BindingsFactory
Returns ExpressionEvaluator
- Defined in actor-expression-evaluator-factory-default/lib/ExpressionEvaluator.ts:11

Properties

`Readonly`bindingsFactory

bindingsFactory: BindingsFactory

`Readonly`context

context: IActionContext

`Readonly`expr

expr: Expression

`Readonly`mediatorFunctionFactory

mediatorFunctionFactory: MediatorFunctionFactory

`Readonly`mediatorQueryOperation

mediatorQueryOperation: MediatorQueryOperation

Methods

evaluate

evaluate(mapping: Bindings): Promise<Term>
Evaluates the provided bindings in terms of the context the evaluator was created.
Parameters
- mapping: Bindings
  the RDF bindings to evaluate against.
Returns Promise<Term>
Implementation of IExpressionEvaluator.evaluate
- Defined in actor-expression-evaluator-factory-default/lib/ExpressionEvaluator.ts:22

evaluateAsEBV

evaluateAsEBV(mapping: Bindings): Promise<boolean>
Evaluates the provided bindings in terms of the context the evaluator was created, returning the effective boolean value.
Parameters
- mapping: Bindings
  the RDF bindings to evaluate against.
Returns Promise<boolean>
Implementation of IExpressionEvaluator.evaluateAsEBV
- Defined in actor-expression-evaluator-factory-default/lib/ExpressionEvaluator.ts:27

evaluateAsEvaluatorExpression

evaluateAsEvaluatorExpression(mapping: Bindings): Promise<TermExpression>
Parameters
- mapping: Bindings
Returns Promise<TermExpression>
Implementation of IExpressionEvaluator.evaluateAsEvaluatorExpression
- Defined in actor-expression-evaluator-factory-default/lib/ExpressionEvaluator.ts:32

evaluatorExpressionEvaluation

evaluatorExpressionEvaluation(
expr: Expression,
mapping: Bindings,
): Promise<TermExpression>
Parameters
- expr: Expression
- mapping: Bindings
Returns Promise<TermExpression>
Implementation of IExpressionEvaluator.evaluatorExpressionEvaluation
- Defined in actor-expression-evaluator-factory-default/lib/ExpressionEvaluator.ts:36