Get specific data from Value stream

[Velkumar]

Hi,

I have created a thing with 4 property S1 , S2, S3 & TC from hardware device. Am logging the data to my value stream. Now I have to extract particular data using timestamp.

For Ex: S1 S2 S3 and TC are Count of a product per day. In mashup when I select date using widget, Count for that particular date should be displayed in using ValueDisplay/ LED widget. Help me with this.

Regards,

Vel

[ttielebein]

If you look under "Snippets" in the Services Editor, you can find one called "Create query for Stream". Select the stream name, and then add a timestamp filter. Pass the timestamp in as a parameter, import this service into a mashup, and bind everything as needed. Hope this helps!

[nagrawal-2]

Hi Tori,

I was trying to implement similar but I can't find my ValueStream in stream name list. What else I should do to achieve the same ?

Regards,

Neety

[rnayak-2]

valuestream and stream are 2 different entity types.. while valuestream stores timeseries data, stream gives you capability to create your own data structure...

for your case all you have to do is look at the basetype of your defined property (ex:NUMBER, STRING etc) and then use the corresponding Queryservice available on your Thing (or ThingTemplate) depending on what your mashup needs... for instance if the basetype is Number then there is a service called QueryNumberPropertyHistory... you just have to pass property name and timestamp and it will return the required values...

[nagrawal-2]

Thanks, this worked for me

[ttielebein]

You may want to consider marking the previous answer as correct if it worked for you so that others within the community can more easily find the answer to this question. Glad you got it worked out!

[Velkumar]

Hi Tori,

I tried to do that, the problem in that snippet I need to select thing but I cant find my thing.

[ttielebein]

Are you able to find the thing using the spotlight search field?

[rnayak-2]

do you still need help with this or the answer I gave above in the thread solves your problem ?