Process driven messaging service: Difference between revisions

Revision as of 14:21, 22 January 2014

Revision as of 14:24, 22 January 2014

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7 External links

=== 1 PDMS structure ===

A process driven messaging service is a service were jobs and triggers can be put together to create a work flow for a message. The work flow can be seen as a process.

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A workflow will execute when a trigger gets triggered. That trigger will cause one or more jobs to be executed. The jobs can in turn execute more jobs. When all jobs have been executed the workflow will still be active, but nothing happens until it is triggered again.

==== 1.1 Workflows ====

A workflow iin PDMS is used to wrap triggers and/or jobs together to accomplish a flow of actions and events that can be invoked over and over again without repeating all configuration. What also should note that a workflow is a container. It can apart from triggers and jobs contain groups or, artifacts. These items that the workflow can contain are then available to all triggers and jobs within the workflow.

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==== 1.2 JOBS ====

A job is an activity in a workflow. It represents something that a system do with the data, an activity in the system ___domain.

==== 1.3 TRIGGERS ====

A trigger represents something that has happened and causes jobs to execute. In a way we can think of it as what starts/executes a workflow.

==== 1.4 PROCESSES ====

A process starts at some point in the system. For example when a trigger executes an instance of a workflow.