RE: problem with adding to Map collection

[Arend Ligtenberg]

Thank you people. Stting the appropriate compare function does the job. 

Feeling more and more happy using SWARM. But still need a lot of studying to do

Arend




On dinsdag 10 augustus 1999 16:39, address@hidden [SMTP:address@hidden wrote:
> Welcome to swarm!
> 
> Here is an example of Map usage in my new collection of examples:
> 
> http://lark.cc.ukans.edu/~pauljohn/SwarmFaq/WorkingExampleCode/MapOfMapsOfLists.txt
> 
> I think the problem with your example is that the Map is using integers
> as the "key" values, but you don't set the compare function to tell the
> Map you are using integers and you don't cast your integers as (id) when
> you use them.
> 
> If you look at the gridTurtle example in swarmdocs, you will see that if
> your key is an object, then there is no need to worry about those
> details. But if you use an int, you have to.
> 
> Marcus's example I refer to above shows also  the setCompareFunction
> usage.
> 
> pj
> 
> Ach.
> > 
> > Question:
> > - What am I doing wrong here?
> > - Is this a good solution anyway?
> > 
> > ...
> > ...
> >   //Reading functionValues into List
> >   // and next List into Map
> >   functionCollection = [Map create: [self getZone]];
> >   for (functcount=0; functcount < ([readFunction 
> > getNrOfRelations]);functcount++){
> >         [readFunction readRelation];
> >         passor = [readFunction getPassor];
> >         actor = [readFunction getActor];
> >         radius = [readFunction getRadius];
> >         printf("Passor: %d, Actor: %d, Neigborhood %d\n", passor, actor, 
> > radius);
> >         functionValueList = [List create: [self getZone]];
> >         for (functvaluecount=0; functvaluecount < radius; 
> > functvaluecount++){
> >                 functvalue = [readFunction readFunctions];
> >                 [functionValueList addLast: functvalue];
> >         }
> > 
> >         printf("nr of elements in list: %d\n",[functionValueList getCount]);
> >         [functionCollection at: functcount  insert: functionValueList];
> > }
> > 
> >         //debuging stuff
> >         printf("the number of elements in the 
> > functionCollection%d\n",[functionCollection getCount]);
> >         printf("And here the values of each list stored in the Map 
> > collection object\n");
> >         indexje = [functionCollection begin: [self getZone]];
> >         for (theSet = [indexje next]; [indexje getLoc] == Member; theSet = 
> > [indexje next] ){
> >                 index = [theSet begin: [self getZone]];
> >                 for (fromMap = [index next]; [index getLoc] == Member; 
> > fromMap = [index next]){
> >                         printf("value: %d\n",fromMap);
> >                 }
> >         [index drop];
> >         }
> >         [indexje drop];
> >         // end debuging stuff
> > 
> > Arend Ligtenberg
> > Wageningen University and Research Centre
> > Centre for Geo-information
> > Laboratory Geo-Information Science and Remote Sensing
> > Po Box 339
> > 6700 AH Wageningen
> > tel: ++31 317 474640
> > www.gis.wau.nl/girs
> > 
> >                   ==================================
> >    Swarm-Support is for discussion of the technical details of the day
> >    to day usage of Swarm.  For list administration needs (esp.
> >    [un]subscribing), please send a message to <address@hidden>
> >    with "help" in the body of the message.
> 
> -- 
> Paul E. Johnson                               email: address@hidden
> Dept. of Political Science                    
> http://lark.cc.ukans.edu/~pauljohn
> University of Kansas                          Office: (785) 864-9086
> Lawrence, Kansas 66045                        FAX: (785) 864-5700
> 
>                   ==================================
>    Swarm-Support is for discussion of the technical details of the day
>    to day usage of Swarm.  For list administration needs (esp.
>    [un]subscribing), please send a message to <address@hidden>
>    with "help" in the body of the message.
> 
> 

                  ==================================
   Swarm-Support is for discussion of the technical details of the day
   to day usage of Swarm.  For list administration needs (esp.
   [un]subscribing), please send a message to <address@hidden>
   with "help" in the body of the message.