@comunica/actor-http-retry

Comunica Retry HTTP Actor

An HTTP actor that performs simple request retries.

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-http-retry

Configure

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

{
  "@context": [
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-http-retry/^3.0.0/components/context.jsonld"
  ],
  "actors": [
    {
      "@id": "urn:comunica:default:http/actors#retry",
      "@type": "ActorHttpRetry"
    }
  ]
}

Context Parameters

• KeysHttp.httpRetryCount: The number of retries, added on top of the initial attempt.
• KeysHttp.httpRetryDelayFallback: The fallback retry delay in milliseconds, if a server does not send a Retry-After header.
• KeysHttp.httpRetryDelayLimit: The optional upper limit of the retry delay in milliseconds. If a server requests a delay larger than this, the engine will consider it unavailable.

Changelog

v4.0.2 - 2024-10-16

Changed

• Document that algebra inputs should not contain blank nodes, Closes #1234

Fixed

• Fix some zero-or-more path queries producing empty results, Closes #1449

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