Differences

This shows you the differences between two versions of the page.

--- en:rule:single_process [2024-08-27 17:13] – [Notes] Anatoly Belaychuk
+++ en:rule:single_process [2024-08-28 21:00] (current) – Anatoly Belaychuk
@@ Line 1: / Line 1: @@
-====== One diagram should contain no more than one expanded pool ======
+====== Don't place more than one expanded pool at one diagram ======
 {{tag>process}}
@@ Line 7: / Line 7: @@
 ===== ✔ How to =====
-Diagram 1
+Diagram 1:
 <bpmnio type="bpmn">
@@ Line 95: / Line 95: @@
 </bpmnio>
-Diagram 2
+Diagram 2:
 <bpmnio type="bpmn">
@@ Line 183: / Line 183: @@
 </bpmnio>
+To show bird's eye perspective of several collaborating processes, use "black box" pools only and then expand each pool on a separate diagram:
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 ===== ✘ How NOT to =====
@@ Line 330: / Line 333: @@
   * Just as subprocesses should be placed at separate pages (diagrams), each process should be placed at a separate diagram when modeling collaboration. Communcating processes should be depicted as black boxes.
   * If processes are connected by several message and/or data flows, they should be identified by names. Make sure that the same messages have the same labels.
+  * Although BPMN spec allows dataflows connected to black box pools ([[#how to]], diagram below), not all BPMN modelers support this.
+===== Exceptions =====
+  * It may be handy to depict several expanded processes on a single diagram for training/explanatory purposes but working models should follow the rule "one diagram - one process".
 ===== See also =====