public InSpacePredicate(Object... values){
  _inValues=new HashSet<Object>();
  for (  Object value : values) {
    _inValues.add(value);
  }
}

public InSpacePredicate ( Object ... values ) { _inValues = new HashSet < Object > ( ) ; for ( Object value : values ) { _inValues . add ( value ) ; } }
creates an in predicate using the specified values .
