"mputz" wrote : /**
| | * sets a variable. If a variable exists in the scope given by the
token, that
| | * variable is updated. Otherwise, the variable is created on the
root token
| | * (=process instance scope).
| | */
| | public void setVariable(String name, Object value, Token token) {
|
| In order to use setVariable on different tokens, the variables have to be
created first with createVariable, otherwise they will all end up being
referenced by the root token.
Create variable works indeed. It also works to update an already existing
variable. So my problem is solved, thank you!
However, IMHO, I find the behavior strange:
- Even though a token is explicitely provided, setVariable elects to ignore it.
Rather throw an exception stating the variable does not exist, but do not
ignore that parameter; there is a two-parameter method for a more "agile"
behavior.
- createVariable can be used to create and update a variable. However "create"
is much more specific about what is going to happen than "set", and I had not
expected it to update also.
Personally I find the following behavior more logical:
- createVariable: create only but not update, exception if variable exists
- updateVariable: update only, exception if not exist
- setVariable: create if not exist, otherwise update
Thanks!
Tom
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