Not sure what you mean - you mean retrieve an attribute from a Feature by name? If so, yup. Otherwise, it has whatever java reflection provides.
Paul Austin wrote: > Martin, > > Does JUMP currently have any introspection code to get a property from > an object by a name, something like commons-beanutils. If it does I can > use introspection to see if the FeatureSchema has a "name" property if > it does use that rather than requiring it on the FeatureSchema class. > > BTW I think that FeatureSchema should be an interface not a class. > > Paul > > Martin Davis wrote: > >> Good questions, Michael, especially the one about having different >> schemas with the same name. I suspect Paul's code would work fine in >> this case, but it is an important philosophical point which should be >> thought out fully before going far down this road. >> >> Michaël Michaud wrote: >> >> >>> Hi Paul and Larry, >>> >>> Just few questions I wonder about naming schemas : >>> - What really needs to be named, FeatureSchema or FeatureCollection ? >>> - Will it be possible to have two different names for identical schemas >>> (it should) ? >>> - Will it be possible to have two different schemas with identical name >>> (it should not, but may be the responsability can be let to the user to >>> keep it simple) ? >>> These are just questions to wonder before changing, but at the moment, I >>> can't see any drawback with a free attribute name on FeatureSchema as >>> proposed by Paul. >>> >>> Michaël >>> >>> Larry Becker a écrit : >>> >>> >>> >>> >>>> Hi Paul, >>>> >>>> Just a few questions regarding the FeatureSchema Name, since I'm >>>> unable to come up with the use case myself. I can see that it is >>>> simpler to look at the Name than to compare all of the attributeNames >>>> individually, but I would hate to make that assumption and then find >>>> that the user has deleted an attribute I was depending on. Also, >>>> would the FeatureSchema Name be persisted in the Task (.jmp) file, and >>>> if so how does that affect compatibility? >>>> >>>> thanks, >>>> Larry Becker >>>> >>>> On 6/9/07, Stefan Steiniger <[EMAIL PROTECTED]> wrote: >>>> >>>> >>>> >>>> >>>> >>>>> hei Paul, >>>>> >>>>> mhm.. if you write the function (that also supports empty names) >>>>> this should be possible to include if Michael and Larry agree >>>>> >>>>> stefan >>>>> >>>>> btw. although you are following specific interests, and changes to the >>>>> core need to be discussed it is open to you to join the jpp-team >>>>> >>>>> Paul Austin schrieb: >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> Martin, >>>>>> >>>>>> If the FeatureSchema class could be extended to have a name property, >>>>>> with a getName (and maybe a setName) with a default constructor and a >>>>>> constructor that takes the name as an argument then that would be great. >>>>>> As we have default constructor existing code won't break as the name is >>>>>> optional. >>>>>> >>>>>> The advantage of having the name is that if you were doing some >>>>>> processing of features and don't have reference to the layer you can >>>>>> find out what type of feature it is and do different processing >>>>>> accordingly. >>>>>> >>>>>> Paul >>>>>> >>>>>> Martin Davis wrote: >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> BTW, the idea of having hum-readable names for FeatureSchemas is a nice >>>>>>> one. I'd definitely support adding that functionality, even if it isn't >>>>>>> exposed right now. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> ------------------------------------------------------------------------- >>>>>> This SF.net email is sponsored by DB2 Express >>>>>> Download DB2 Express C - the FREE version of DB2 express and take >>>>>> control of your XML. No limits. Just data. Click to get it now. >>>>>> http://sourceforge.net/powerbar/db2/ >>>>>> _______________________________________________ >>>>>> Jump-pilot-devel mailing list >>>>>> Jump-pilot-devel@lists.sourceforge.net >>>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> ------------------------------------------------------------------------- >>>>> This SF.net email is sponsored by DB2 Express >>>>> Download DB2 Express C - the FREE version of DB2 express and take >>>>> control of your XML. No limits. Just data. Click to get it now. >>>>> http://sourceforge.net/powerbar/db2/ >>>>> _______________________________________________ >>>>> Jump-pilot-devel mailing list >>>>> Jump-pilot-devel@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> >>>> >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by DB2 Express >>> Download DB2 Express C - the FREE version of DB2 express and take >>> control of your XML. No limits. Just data. Click to get it now. >>> http://sourceforge.net/powerbar/db2/ >>> _______________________________________________ >>> Jump-pilot-devel mailing list >>> Jump-pilot-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>> >>> >>> >>> >> >> > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > -- Martin Davis Senior Technical Architect Refractions Research, Inc. (250) 383-3022 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
