LDIO AMQP Out

Ldio:AmqpOut

The LDIO AMQP Out sends messages to an AMQP 1.0 queue. The content-type configured in the rdf-writer.content-type is added as a header to the message with key “contentType”.

Config

Property	Description	Required	Default	Supported values	Example
remote-url	URI to AMQP queue	Yes	N/A	In line with amqp[s]://hostname:port[?option=value[&option2=value...]] or amqpws[s]://hostname:port[/path][?option=value[&option2=value...]]	amqp://server:61616
queue	Name of the queue	Yes	N/A	String	quickstart-events
username	Username used in authentication	Yes	N/A	String	client
password	Password used in the authentication	Yes	N/A	String	secret

RDF Writer Properties

Property	Description	Required	Default	Supported values	Example
rdf-writer.content-type	Target content type.	No	text/turtle	Any type supported by Apache Jena	application/ld+json
rdf-writer.frame	Additional JSON-LD Frame to format the outputted JSON-LD Object.	No	N/A	Any valid JSON Object that describes a JSON-LD Frame	See https://www.w3.org/TR/json-ld11-framing/#sample-library-frame

Example RDF Writer config

Format as N-Quads:

      config:
        rdf-writer:
          content-type: application/n-quads

Format as JSON-LD with given frame:

      config:
        rdf-writer:
          content-type: application/ld+json
          frame: |
            {
              "@context": {"@vocab": "http://example.org/"},
              "@type": "Library",
              "contains": {
                "@type": "Book",
                "contains": {
                  "@type": "Chapter"
                }
              }
            }

Example

      outputs:
        - name: Ldio:AmqpOut
          config:
            remote-url: amqp://localhost:61616
            username: artemis
            password: artemis
            queue: example
            rdf-writer:
              content-type: application/n-quads