Custom serialization of process variables

[Tamas_Horvath]

Can you please help me if it is possible to have custom serialization of process-variables? E.g. I’d like to have some process-variable fields automatically injected from an external (order)table - like:

1. we have an external master-order-table that come from higher level - orders (JSON) are identified with order-id
2. I’d like to use the master-order-table injected in camunda (e.g. camunda receives the master-order-id) - but I’d like to modify and re-re-serialize them back to the master-order-table automatically after a node executed that dealt with such data

Can such achieved? What I’ll lose with this?

[thorben]

Maybe this can be achieved, you’ll have to try it out yourself. As a starting point, you can have a look at this project: https://github.com/ThorbenLindhauer/camunda-variable-serializers. I implemented a variable type that stores IDs to other process instances, but where the API resolves this to the respective ProcessInstance object, which sounds similar to what you want to achieve.

• Usage example: https://github.com/ThorbenLindhauer/camunda-variable-serializers/blob/master/src/test/java/org/camunda/bpm/unittest/ProcessInstanceVariablesTest.java
• Serializer implementation: https://github.com/ThorbenLindhauer/camunda-variable-serializers/blob/master/src/main/java/org/camunda/bpm/variables/processinstance/ProcessInstanceVariableSerializer.java

[Tamas_Horvath]

Hi, thank you for the quick answer - still not yet had time (and skill) to verify, but going to check.