@comunica/mediator-combine-pipeline

Comunica Mediator Sequential

A comunica mediator that goes over all actors in sequence and forwards I/O. This requires the action input and the actor output to be of the same type.

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/mediator-sequential

Configure

After installing, this mediator can be instantiated as follows:

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/mediator-combine-pipeline/^1.0.0/components/context.jsonld"  
  ],
  "actors": [
    ...
    {
      "@type": "SomeActor",
      "someMediator": {
        "@id": "config-sets:sparql-init.json#mediatorOptimizeQueryOperation",
        "@type": "MediatorCombinePipeline",
        "cc:Mediator/bus": { "@id": "cboqo:Bus/OptimizeQueryOperation" }
      }
    }
  ]
}

Config Parameters

• cc:Mediator/bus: Identifier of the bus to mediate over.

Changelog

v1.18.0 - 2020-11-02

Fixed

• Fix eager accept header boundary bug, Closes #534
• Fix incorrect return type for bindings(), Closes #742
• Add missing query result interface exports

Added

• Add Microdata to RDF parser
• Add actor whitelist to LoggerPretty

Changed

• Use fixed hashing functions
• Update sparqlee to achieve smaller bundle sizes
• Bump sparqlee with improved XPath and Unicode support
• Allow quad streams on followed links to be transformed
• Allow hypermedia links to define custom context entries
• Allow JSON-LD strict mode to be enabled via context
• Allow custom JSON-LD document loader to be passed via context

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