No worries - quite a lot of functions to understand fully. That's why we have the community! :)
Cheers -Mark > On May 3, 2016, at 8:28 AM, Devin Fisher <[email protected]> > wrote: > > Yes, that is perfect. I guess I did not read them all carefully enough. > Thanks. > > Devin > > On Tue, May 3, 2016 at 1:22 PM, Mark Payne <[email protected] > <mailto:[email protected]>> wrote: > Hi Devin, > > I think the 'replaceNull' function is what you are looking for. For example: > > ${ greeting:replaceNull('hello'):length():gt(5) } > > You can find the documentation for this function at > http://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#replacenull > > <http://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#replacenull> > > Thanks > -Mark > > >> On May 3, 2016, at 6:27 AM, Devin Fisher <[email protected] >> <mailto:[email protected]>> wrote: >> >> I'm looking for the ability similar to the 'getOrDefault'[1] in the Java Map >> class. I would like to access an attribute if the flow file has it but be >> able to define a default if it don't. I've looked over the doc and can't >> find a way to do it and wanted to see if someone else has done it. >> >> Devin >> >> [1] >> https://docs.oracle.com/javase/8/docs/api/java/util/Map.html#getOrDefault-java.lang.Object-V- >> >> <https://docs.oracle.com/javase/8/docs/api/java/util/Map.html#getOrDefault-java.lang.Object-V-> >
