avoid to perform actions that are in the presentation at the beginning of the workflow layer

Hi all

Is it possible to perform NO actions, that are defined on the presentation layer, at the start of a workflow?

On our supply workflow contains a step where we select the cluster to build the virtual machine. Once all the other objects required has been selected will be calculated automatically.

This means that in the next drop you now get a list of all the hosts that are members of the selected group. We do the same thing with the networking and all data warehouses that we use for a virtual machine.

All actions are mainly related to the 'list of preset of elements', "Data Binding" and "Default"

The problem is that when I start the workflow I have, of course, a lot of error messages in the log file because I did not choose a cluster at this stage. Also it takes a while until the presentation layer will be shown.

Can I do to avoid actions that are related to the presentation of the workflow? And make them run when I chose a cluster object?

Thank you very much!

The best practice is that the first line of your action must be one if (cluster == null) return null;

This will speed up the presentation a lot.

Another more complex way is to use a disclosure ognl expression, but they are difficult to maintain and may not give any gain on the action and returns null.

Tags: VMware

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