BetaConstraints binder = utils.createBetaNodeConstraint( context, context.getBetaconstraints(), false );
// indexing for the results should be always disabled
BetaConstraints resultBinder = utils.createBetaNodeConstraint( context, resultBetaConstraints, true );
context.setTupleSource( (TupleSource) utils.attachNode( context,
new CollectNode( context.getNextId(),
context.getTupleSource(),
context.getObjectSource(),
(AlphaNodeFieldConstraint[]) resultAlphaConstraints.toArray( new AlphaNodeFieldConstraint[resultAlphaConstraints.size()] ),
binder, // source binder
resultBinder,