Comunica Default Expression Evaluator Factory Actor

A expression evaluator factory actor that constructs a default expression evaluator.

This module is part of the Comunica framework, and should only be used by developers that want to build their own query engine.

Click here if you just want to query with Comunica.

Install

$ yarn add @comunica/actor-expression-evaluator-factory-default
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Configure

After installing, this package can be added to your engine's configuration as follows:

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-expression-evaluator-factory-default/^1.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:expression-evaluator-factory/actors#default",
      "@type": "ActorExpressionEvaluatorFactoryDefault"
    }
  ]
}
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Config Parameters

• mediatorQueryOperation: a MediatorQueryOperation.
• mediatorBindingsAggregatorFactory: a MediatorBindingsAggregatorFactory, required to evaluate aggregate expressions.
• mediatorFunctions: a MediatorFunctions, required to evaluate function expression