Daniella, I am curious about your architecture with Kafka and storm. Can you send the github link you used for that project?
I would like to be able to see your example. I use IntelliJ. Henry Sent from my iPad > On May 15, 2016, at 2:14 PM, Daniela S <[email protected]> wrote: > > Hi, > > thank you very much for your answers. But unfortunately I do not have a JSON > object yet, I only have a String, containing a JSON object. I receive the > Strings from Kafka but I do not know how to get the information out of the > String. > > example: {"timestamp": 1463335828342, "ID":570,"command":"START"} > > I would like to extract the three fields out of the String. Then I would like > to store it into Redis. > Afterwards I would like to pull all the stored (active) devices out of Redis > and to build a sum over all the devices every minute. For building the sum I > have to add another value for every device. I would like to use Redis as a > kind of cache. > > Regards, > Daniela > > Gesendet: Sonntag, 15. Mai 2016 um 20:06 Uhr > Von: "Henry Hottelet" <[email protected]> > An: [email protected] > Betreff: Re: Split Kafka JSON String > Try using intellij plug in that converts json to pojo classes > >> On May 15, 2016 2:04 PM, "Nathan Leung" <[email protected]> wrote: >> Easiest way is to map your job to a pojo and use Jackson or gson to convert >> the json. >> >>> On May 15, 2016 1:48 PM, "Daniela S" <[email protected]> wrote: >>> Hi >>> >>> I am receiving Strings of JSON from Kafka. I would like to split the string >>> to get each field from the JSON object to store it into Redis. >>> How can I split the string and assign the parts to variables? >>> >>> Thank you in advance. >>> >>> Regards, >>> Daniela
