An example of doing *exactly* that is shown here: http://docs.datatorrent.com/application_packages/ in the section entitled "Operator properties"
Ram On Thu, May 12, 2016 at 5:44 PM, Bhupesh Chawda <[email protected]> wrote: > AFAIK, there is no clean way to set a List property from an XML file. > > ~Bhupesh > > On Thu, May 12, 2016 at 5:41 PM, Munagala Ramanath <[email protected]> > wrote: > > > What was the concern about "configuring the List elements from the XML > > property file" > > and what issue might it create ? > > > > Ram > > > > On Thu, May 12, 2016 at 5:38 PM, Bhupesh Chawda <[email protected] > > > > wrote: > > > > > Hi All, > > > > > > I'll reopen the pull request again after addressing review comments. > > > > > > - There was a concern from Thomas regarding configuring the List > > > elements from the XML property file. I think this might create an > > > issue. I > > > propose that in that case we create String getters and setters > instead > > > of > > > list. The signatures will stay the same but we'll change the type of > > the > > > fields to String to make them consistent: > > > - String topics > > > - public String getTopics() > > > - public void setTopics(String topics) > > > - I'll rename the branch name as suggested by Gaurav on the pull > > > request. > > > > > > Thanks. > > > > > > ~Bhupesh > > > > > > On Wed, May 11, 2016 at 8:43 AM, Munagala Ramanath < > [email protected]> > > > wrote: > > > > > > > Yes, making the accessor types match the field will avoid confusion, > so > > > +1. > > > > > > > > We can add accessors like getTopicItem() and setTopicItem() for the > > > > individual > > > > elements if necessary. > > > > > > > > Ram > > > > > > > > On Wed, May 11, 2016 at 12:08 AM, Bhupesh Chawda < > > > [email protected]> > > > > wrote: > > > > > > > > > Hi All, > > > > > > > > > > The fields in Kafka Input Operator in Malhar kafka project are of > > type > > > > > String array. However the getters and setters are not consistent > and > > > > have a > > > > > return type and parameters of String type respectively. > > > > > This may cause issues in down stream systems and hence must be > > fixed. I > > > > > have created a JIRA to track this - > > > > > https://issues.apache.org/jira/browse/APEXMALHAR-2084 > > > > > > > > > > I am proposing that the types of these fields be made List<String> > > > > instead > > > > > of String[ ]. Additionally also make the getters and setters accept > > > > > parameters and return data of the same type. > > > > > > > > > > Please let me know your thoughts on the same. > > > > > > > > > > Thanks > > > > > ~Bhupesh > > > > > > > > > > > > > > >
