Component /dat/lib/communication/subscriber

subscriber provides a mechanism for components to receive incoming XML requests from remote clients and respond to them. The subscriber component works in conjunction with the publisher component. 

Pins

Ports

• input The incoming XML from the publisher is received at this port and output to the other components connected to the port
• output any XML received on this port is sent as a reply to the remote client
• error Any errors generated are sent to this port

Properties

• role the data provided by the external client as information on which particular subscriber a publisher should forward the XML to.
• tag the root tag of the XML document. This in addition to the role is used by the publisher to resolve which subscriber to forward the XML to.
• xsl the name of an XSL file to add to the returned XML. The transformation is not performed by the subscriber or publisher, this just places the appropriate tag in the returned XML.