| Null Pointer Exception when invoking .asOrderedSet in EOL query [message #490339] |
Thu, 08 October 2009 08:06  |
Eclipse User |
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Hello Dimitris,
The query in EOL File is:
operation InitialisationDataSet getTimeslotsNot TransmittableTo(other:InitialisationDataSet) : OrderedSet(TimeslotBlock) {
var myTxBs: OrderedSet(TimeslotBlock) := self.getTimeslotBlocks().select(b|b.isExplicitTransmit());
var allTransmittableBs: OrderedSet(TimeslotBlock) := self.getAllTimeslotsTransmittableTo(other);
myTxBs.println();
allTransmittableBs.println();
return myTxBs.reject(b|allTransmittableBs.includes(b));
}
The statement to execute query using EOL is:
timeslots := ids1.getTimeslotsNotTransmittableTo(ids2).asOrderedSet();
timeslots.println();
The above statement gives the required output. But when executed in Java it throws null pointer exception.
The code in Java is:
EolOperation getAllTimeslotsNotTransmittableTo = module.getOperations().getOperation("getAllTimeslotsNotTransmittableTo ");
List idsList = new ArrayList();
idsList.add(ids2);
EolOrderedSet timeSlots = (EolOrderedSet) getAllTimeslotNotTransmittableTo.execute(ids1, idsList, module.getContext());
The above line gives null pointer exception.
Thanks,
Sajit
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