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https://issues.jboss.org/browse/TEIID-2290?page=com.atlassian.jira.plugin...
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Van Halbert closed TEIID-2290.
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Assignee: Van Halbert (was: Steven Hawkins)
Resolution: Rejected
This quick start will not considered at this time because of the complexity of
dependencies needed in AS7. However, if someone in the community wishes to pick this up,
please feel free.
Create a Rules (jbpm) quick start
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Key: TEIID-2290
URL:
https://issues.jboss.org/browse/TEIID-2290
Project: Teiid
Issue Type: Feature Request
Components: Build/Kits
Reporter: Van Halbert
Assignee: Van Halbert
Rules integration!
Calling rules from within virtual procedure or transformation:
Logical flow something like this:
For each row
convert row to array or other form that can be easily passed to
user-defined function (UDF)
custom UDF implementation accepts array/vararg params and converts
to pojo
UDF injects pojo to knowledge session
rules (potentially) modify pojo
UDF converts pojo back to array and returns to Teiid
procedure/transformation converts array back to record/row
modified values available to procedure/transformation logic
End
Assumptions:
1. UDF is not adding or removing columns/fields
2. UDF is not changing the datatypes of columns/fields
3. overhead of starting knowledge session for each record/row is
prohibitive. Need a stateful/persistent knowledge session. This may
mean a rules service of some kind, preferably in-process.
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