private static boolean isBindingCompatible( Tuple tuple, VarBindingDef binding)
    {
    VarValueDef currentValue = tuple.getBinding( binding.getVarDef());
    return (currentValue == null || currentValue.equals( binding.getValueDef()));
    }
private static boolean isBindingCompatible ( Tuple tuple , VarBindingDef binding ) { VarValueDef currentValue = tuple . getBinding ( binding . getVarDef ( ) ) ; return ( currentValue == null || currentValue . equals ( binding . getValueDef ( ) ) ) ; }
Returns true if the given binding can be added to the give tuple.