Business Process Library Q Business Process Management

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Connection object

image:connecting-objects.png

Message Flow is one of connection objects and represents the flows of messages sent and received between two business participants (Participants).

Contents

Overview

Flow object

Image:Objectoo.png

Message Flow represents flows of information or messages that sent and received between two business participants (humans, departments, systems, etc.). In BPMN, Pools are used to represent such two business participants. Message Flow connects to either of the followings.

  • Boundary of Pool
  • Flow Objects in Pool

However, note that it can not connect Flow Objects in the same Pool.

A dotted arrow is used to represent Message Flow. At the source of an arrow, an outline circle is placed, and the head of the arrow is drawn as an outline triangle.

  • Sender of Message
    Pool that is connected to the source of the Message Flow, or a subject of the Pool that contains Flow Object that connects to the source of the Message Flow
  • Recipient of Message
    Pool that is pointed by the head of the arrow, or a subject of the Pool that contains Flow Object that is pointed by the head of the arrow

"Message contents" that are to be written above Message Flow, which also can be omitted, should be expressed in a succinct manner. E.g. "Approval," "Application," "Response," "Completion Report," "Deadline Notice," etc.

Usage

Usage
Usage

Connection to Boundary of Pool

Message Flow can connect to the boundary of Pool even when the Pool does not contain the detail of the process in it ("Black box").

In the figure on the right, it corresponds to the message exchange between B and C.

Connection beyond Boundary of Pool

Message Flow can connect to Flow Object in Pool beyond the boundary of the Pool.

In a figure on the right, it corresponds to the message exchange between A and B1.

Message Flow can also connect to a boundary of an expanded Sub-Process.

  • If a connected Message Flow is an input Message Flow, it is equivalent to Message Flow connected to Start Event in the Sub-Process.
  • If a connected Message Flow is an output Message Flow, it is equivalent to Message Flow connected to End Event in the Sub-Process.

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Reference

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Questetra BPM Suite
Workflow Sample:Hints on Defining Workflows for Business Analysts and Managers.

Catetory
General nouns | Proper nouns | General-purpose business process | Core business process | Business process for support administration
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