Alex, can you create a JIRA (https://issues.apache.org/jira/browse/APEXCORE/ )?
On Tue, Sep 13, 2016 at 8:52 AM, McCullough, Alex < alex.mccullo...@capitalone.com> wrote: > I think it’s a little confusing too that the default value for the > optional attribute on the output ports is true, but there is a requirement > implemented by the validator that negates this unless you explicitly set it > to on all your output ports (to the default no less). > > > > > > Thanks, > > Alex > > > > *From: *Thomas Weise <t...@apache.org> > *Reply-To: *"users@apex.apache.org" <users@apex.apache.org> > *Date: *Tuesday, September 13, 2016 at 11:10 AM > *To: *"users@apex.apache.org" <users@apex.apache.org> > *Subject: *Re: Optional output ports. > > > > That's right, if there are multiple output ports, the validation demands > that at least one is connected. > > > > I actually think this validation is incorrect. It should be up to the > application developer to decide how the output of an operator is consumed. > > > > It is similar to the return value of a function, you don't force the user > to assign or use it? > > > > Thomas > > > > > > On Tue, Sep 13, 2016 at 7:29 AM, Munagala Ramanath <r...@datatorrent.com> > wrote: > > Yes, if you have ports at least one must be connected if there are no > annotations on them. > > > > The code is in LogicalPlan.validate() -- checkout the allPortsOptional > variable. > > > > Ram > > > > On Tue, Sep 13, 2016 at 3:17 AM, Tushar Gosavi <tus...@datatorrent.com> > wrote: > > Hi All, > > I have an input operator with one output port without any annotation. > When I launch the application using just this operator I get > ValidationException "At least one output port must be connected". By > default connecting output ports are optional, or is it mandatory to > connect at least one output port of an operator, if there are no > annotation on them. > > Regards. > - Tushar. > > > > > > ------------------------------ > > The information contained in this e-mail is confidential and/or > proprietary to Capital One and/or its affiliates and may only be used > solely in performance of work or services for Capital One. The information > transmitted herewith is intended only for use by the individual or entity > to which it is addressed. If the reader of this message is not the intended > recipient, you are hereby notified that any review, retransmission, > dissemination, distribution, copying or other use of, or taking of any > action in reliance upon this information is strictly prohibited. If you > have received this communication in error, please contact the sender and > delete the material from your computer. >
