WLPI - Problem with AI Service Call in Task with AI Service start - Variables

Question

Within WLPI I cannot succesfully call an AI service with variables that have been
collected via an AI start. These variables have been collected ok as I have done
an XPath on the variable and succesfully stored them in a string Variable. So
a succesfully AI start is working. The issue is when I try to pass these values
I have collected in their respective string variables to the next task which I
will be executing an AI Service. I do this by setting a workflow variable and
using the schema for the AI service. In the XML structure screen, I have put the
string variable at the respective element. So on the left I have my element and
on the right I have inserted my value (i.e, $strLastName).
When I run the workflow, I do not see any inserts on the AI service I am calling.
However, when I hard code a value in the XML schema "HELLO " + strFirstName it
of course inserts Hello but not the value (i.e, strFirstName). So I know I have
the correct assignment of variable to be set etc. Also, without the hardcoding
it is inserting a blank row (i.e, value='').
Please, help with this issue.

Answer 1

Dear anonymous,
I have created an AI application view and a BPM workflow that demonstrates how to
populate an AI service call with strings extracted from an AI event response
document. This workflow also demonstrates concatination of literal strings with
string variables.
Here are some steps that you will need to follow to setup this AI application view
and workflow:
1. startweblogic from either the
'samples' or 'mydomain' found under WLI_HOME/applinteg/config. (Note, if you start
from 'mydomain', be sure to populate your database repository with the scripts in
WLI_HOME/repository/, WLI_HOME/processintegrator/ddl, and
WLI_HOME/applinteg/dev/dbms/src/sql.)
2. Open a web browser to http://<machine>:<port>/wlai
Examples:
from samples domain
http://localhost:7603/wlai
Login as system/system
from mydomain
http://localhost:7601/wlai
Login as admin/security
3. Create a folder named 'DBMS' and go into that folder
4. Create a folder in the 'DBMS' folder named 'DBMS_A' and go into that folder
5. Create an application view named 'db_av1'
6. Add an event that triggers on insert named 'insEvt'
7. Add a service named 'updTemp' that executes the following SQL...
UPDATE <db info>.CUSTOMER_TABLE SET CITY=[CITY VARCHAR]WHERE LASTNAME=[LASTNAME
VARCHAR]
(Note: Replace '<db info>' your database schema and/or catalog information)
8. Add a service named 'insSvc' that executes the following SQL...
INSERT INTO <db info>.CUSTOMER_TABLE (FIRSTNAME, LASTNAME, CITY, EMAIL) VALUES
([FIRSTNAME VARCHAR],[LASTNAME VARCHAR],[CITY VARCHAR],[EMAIL VARCHAR])
(Note: Replace '<db info>' your database schema and/or catalog information)
9. Add a service named 'listCustomers' that executes the following SQL...
SELECT * FROM <db info>.CUSTOMER_TABLE
(Note: Replace '<db info>' your database schema and/or catalog information)
10. Click 'Continue' deploy the the application view
11. In the Deploy Application View screen make sure to specify an event router with
the port corresponding to your domain. (e.g.
http://localhost:7603/DbmsEventRouter/EventRouter)
12. Bring up studio using 'studio_wlai.cmd/sh'
13. Import the attached workflow package 'TestXmlVar.jar'
14. Trigger the workflow my testing 'insSvc' from the Application View Summary web
page. Fill in the service parameters with a firstname, lastname, city, and email.
Press test to start the test.
15. List the contents of CUSTOMER_TABLE by testing the 'listCusomers' AI service or
by doing a select on that table in your database.
Results:
You should notice that the customer you inserted has a city name that is now in the
form "New "<city>" City".
Look at the Start node actions to see the population of the city and lastname string
variables. Look at the request cocument in the AddToCity task for the updTemp
service call by clicking edit on the request document variable. You will notice that
the LASTNAME field was populated with the strLastName variable and the CITY element
is populated with the strCity variable with "New " and " City" appended to both ends.
Hope this works for you,
Jim
anonymous wrote:
Within WLPI I cannot succesfully call an AI service with variables that have been
collected via an AI start. These variables have been collected ok as I have done
an XPath on the variable and succesfully stored them in a string Variable. So
a succesfully AI start is working. The issue is when I try to pass these values
I have collected in their respective string variables to the next task which I
will be executing an AI Service. I do this by setting a workflow variable and
using the schema for the AI service. In the XML structure screen, I have put the
string variable at the respective element. So on the left I have my element and
on the right I have inserted my value (i.e, $strLastName).
When I run the workflow, I do not see any inserts on the AI service I am calling.
However, when I hard code a value in the XML schema "HELLO " + strFirstName it
of course inserts Hello but not the value (i.e, strFirstName). So I know I have
the correct assignment of variable to be set etc. Also, without the hardcoding
it is inserting a blank row (i.e, value='').
Please, help with this issue.[att1.html]
[TestXmlVar.jar]
[jhinkey.vcf]