NOt able to update business parameter value in albpm6.0.5

Question

My code snippet is :
String now = (String) Time.now();
processCorrelationArg = now;
BusinessParameter.updateValue(name : "CEO_PROCESS_SERVICE_LAST_RUN", value : now);
if I try to access this business param in other activity it won't receive updated value.
Please Help.

Answer 1

I'm not sure about your use case, but you might want to consider not using a business parameter for this. I'm a big fan of business parameters, but if I'm trying to expose a variable globally that all processes can read or update (guessing this is what you are doing) you might instead consider using a ServerSession value. It's done like this:
// this gets the value currently stored that could have been updated by any process
whenItWasLastRun as String
whenItWasLastRun = ServerSession.retrieveValueFrom(name : "ceoProcessLastRun")To set the value, do this:
myDate as Time
myDate = 'now'
myTimeString as String
myTimeString = myDate.format("dd MMM yyyy")
// set the value so it can be read by any process
putValueIn ServerSession
        using name = "ceoProcessLastRun",
              value = myTimeString In answer to your question though, here's logic that updates a business parameter. The input and display statements below are just in there so you can see something interactively happening when you are testing. Don't use the display or input statements in production.
object as Object
object = BusinessParameter.getValue(name : "CREDIT_SCORE")
newVal as String
newVal = String(object)
input "Credit score is: " : newVal
object = Object(newVal)
updateValue BusinessParameter
    using name = "CREDIT_SCORE",
          value = object
object = BusinessParameter.getValue(name : "CREDIT_SCORE")
display "Credit score is: " + String(object)Dan