The plugin interfaces
Action,
Expression,
PerformersPolicy,
and
RightsPolicy
inherit from the interface java.io.Serializable. That means that you must take
care to make your implementations serializable, in particular by marking all
non-serializable fields as transient. Remember that
Unified API objects are serializable, so that
it is alright to reference such objects from your plugin, for example when configuring
folders or groups.
If you want to add special code for restoring transient fields after read, you can do so in
a readObject method.
It is advisable to define a serial version UID for your class to be able to indicate the
compatibility of serialized versions appropriately. Note that you may make changes that
break serialization compatibility, but that you must invoke the tool cm
workflowconverter while the server is down after such changes.
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