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Re: Jump to end state from Node
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created by <a href="http://community.jboss.org/people/mputz">Martin Weiler</a> in <i>jBPM Development</i> - <a href="http://community.jboss.org/message/605784#605784">View the full discussion</a>
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<div class="jive-rendered-content"><p>Using token.setNode(..) should work, what exactly did not work 'as expected'?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I would, however, not recommend to use it because of the following two caveats:</p><ul><li>the process execution logging becomes inconsistent, which might be relevant if audit data of the executed process instances needs to be captured</li><li>it is not visually clear just from looking at the process that the process execution can 'jump' at certain points.</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>A different approach for your requirement would be to introduce super-states. This concept is basically just a group over several nodes, but with the added benefit that you can add additional outgoing transitions from the super-state. These can be called from any node inside the super-state.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. FastForward w/o super-state:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">start -> node1 -> node2 -> node3 -> node4 -> end
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>With this process definition, if you want to move from node1 directly to node4, you could only use Token.setNode() with the above mentioned caveats.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2. FastForward w/ super-state:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">           ___super-state1___
          |                  |
start  -> | node1 -> node2 ->| node3
          |__________________|   |
                   |             v 
                   `---------> node4 -> end
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here, you can just call the leaving transition of the super-state to node4 from any of the nodes within the super-states. This has the advantage that the logs are created properly, thus it does not break auditing, and that additional events are triggered, which could be used to set/re-set any data or variables.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HTH,</p><p>Martin</p></div>
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