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From David Yan <da...@datatorrent.com>
Subject Re: Get ApplicationId from inside Application
Date Wed, 25 May 2016 19:16:58 GMT
Right. If you want to change an operator property according to the app id,
you can do it in the setup method in the operator, using the operator
context.

David

On Wed, May 25, 2016 at 11:26 AM, Munagala Ramanath <ram@datatorrent.com>
wrote:

> You can't do it in populateDAG since the id is not known when that function
> runs.
>
> You need to do it in the operator as suggested by Gaurav:
>
> String appid = Context.OperatorContext.getValue(Context.DAGContext.
> APPLICATION_ID);
>
> Ram
>
> On Wed, May 25, 2016 at 11:00 AM, Ganelin, Ilya <
> Ilya.Ganelin@capitalone.com
> > wrote:
>
> > Hi guys - when I try to retrieve the application id with:
> > ("{ApplicationId=" + dag.getValue(Context.DAGContext.APPLICATION_ID) +
> > "}\n”) the applicationId is reported as null.
> >
> >
> >
> > I’m trying to run this inside of the “populateDAG” function.
> >
> > Am I doing something wrong?
> >
> > On 5/19/16, 11:20 AM, "Gaurav Gupta" <gaurav.gopi123@gmail.com> wrote:
> >
> > >In an operator you can get it using
> > >
> > >String appid = Context.OperatorContext.getValue(Context.DAGContext.
> > >APPLICATION_ID);
> > >
> > >On Thu, May 19, 2016 at 11:04 AM, David Yan <david@datatorrent.com>
> > wrote:
> > >
> > >> Specifically, you can try:
> > >>
> > >>   String appid = dag.getValue(DAGContext.APPLICATION_ID);
> > >>
> > >> David
> > >>
> > >> On Thu, May 19, 2016 at 10:12 AM, Sandesh Hegde <
> > sandesh@datatorrent.com>
> > >> wrote:
> > >>
> > >> > Yes, use the conf object passed to StreamingApplication.
> > >> >
> > >> > On Thu, May 19, 2016, 10:09 AM Ganelin, Ilya <
> > >> Ilya.Ganelin@capitalone.com>
> > >> > wrote:
> > >> >
> > >> > > Hi all – is it possible to retrieve the Apex application ID:
> > >> > > e.g.application_1463594017097_0024 within the Apex program? For
> > example
> > >> > > from the DAG object or some other object?
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