--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Resources/ImplementationNotes/JobsEngineStates.dot	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,28 @@
+// dot -Tpdf JobsEngineStates.dot -o JobsEngineStates.pdf
+
+digraph G
+{
+  rankdir="LR";
+  init [shape=point];
+  failure, success [shape=doublecircle];
+
+  // Internal transitions
+  init -> pending;
+  pending -> running;
+  running -> success;
+  running -> failure;
+  running -> retry;
+  retry -> pending [label="timeout"];
+
+  // External actions
+  failure -> pending  [label="Resubmit()" fontcolor="red"];
+  paused -> pending  [label="Resume()" fontcolor="red"];
+  pending -> paused  [label="Pause()" fontcolor="red"];
+  retry -> paused  [label="Pause()" fontcolor="red"];
+  running -> paused  [label="Pause()" fontcolor="red"];
+
+  paused -> failure  [label="Cancel()" fontcolor="red"];
+  pending -> failure  [label="Cancel()" fontcolor="red"];
+  retry -> failure  [label="Cancel()" fontcolor="red"];
+  running -> failure  [label="Cancel()" fontcolor="red"];
+}