How can I increment a custom field value in a post function?

Eric Kaiser1

Hi there,

I have a numerical custom field, and I'm trying to increment its value through a workflow post function using the Script Runner plugin.

I know this has been asked and answered numerous times before, but I have yet to find a piece of code that actually works. I know very little about Groovy, so I've basically resorted to copy and paste.

This is what I currently have, which does nothing at all:

def tgtField = customFieldManager.getCustomFieldObjects(issue).find {it.name == "Iterations"} // <-- that's what the field is called
def changeHolder = new DefaultIssueChangeHolder();
tgtField.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(tgtField), issue.getCustomFieldValue(tgtField) + 1),changeHolder);

What am I doing wrong, and more importantly, what should I do instead? Any help is greatly appreciated.

Ramiro P

Maybe it can't be read inside the function:

tgtField.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(tgtField), issue.getCustomFieldValue(tgtField) + 1),changeHolder);

Have you tried changing the value before like this:

def tgtField = customFieldManager.getCustomFieldObjects(issue).find {it.name == "Iterations"}
def changeHolder = new DefaultIssueChangeHolder();
def old_value = issue.getCustomFieldValue(tgtField)
def new_value = old_value + 1
tgtField.updateValue(null, issue, new ModifiedValue(old_value, new_value),changeHolder);