<s>
Call	B-Application
super	I-Application
is	O
a	O
code	O
smell	O
or	O
anti-pattern	O
of	O
some	O
object-oriented	B-Language
programming	I-Language
languages	I-Language
.	O
</s>
<s>
Call	B-Application
super	I-Application
is	O
a	O
design	O
pattern	O
in	O
which	O
a	O
particular	O
class	O
stipulates	O
that	O
in	O
a	O
derived	O
subclass	O
,	O
the	O
user	O
is	O
required	O
to	O
override	B-Language
a	O
method	O
and	O
call	O
back	O
the	O
overridden	O
function	O
itself	O
at	O
a	O
particular	O
point	O
.	O
</s>
<s>
The	O
overridden	O
method	O
may	O
be	O
intentionally	O
incomplete	O
,	O
and	O
reliant	O
on	O
the	O
overriding	B-Language
method	O
to	O
augment	O
its	O
functionality	O
in	O
a	O
prescribed	O
manner	O
.	O
</s>
<s>
In	O
object-oriented	B-Language
programming	I-Language
,	O
users	O
can	O
inherit	B-Language
the	O
properties	O
and	O
behaviour	O
of	O
a	O
superclass	O
in	O
subclasses	O
.	O
</s>
<s>
A	O
subclass	O
can	O
override	B-Language
methods	O
of	O
its	O
superclass	O
,	O
substituting	O
its	O
own	O
implementation	O
of	O
the	O
method	O
for	O
the	O
superclass	O
's	O
implementation	O
.	O
</s>
<s>
Sometimes	O
the	O
overriding	B-Language
method	O
will	O
completely	O
replace	O
the	O
corresponding	O
functionality	O
in	O
the	O
superclass	O
,	O
while	O
in	O
other	O
cases	O
the	O
superclass	O
's	O
method	O
must	O
still	O
be	O
called	O
from	O
the	O
overriding	B-Language
method	O
.	O
</s>
<s>
Therefore	O
,	O
most	O
programming	O
languages	O
require	O
that	O
an	O
overriding	B-Language
method	O
must	O
explicitly	O
call	O
the	O
overridden	O
method	O
on	O
the	O
superclass	O
for	O
it	O
to	O
be	O
executed	O
.	O
</s>
<s>
The	O
call	B-Application
super	I-Application
anti-pattern	O
relies	O
on	O
the	O
users	O
of	O
an	O
interface	O
or	O
framework	O
to	O
derive	O
a	O
subclass	O
from	O
a	O
particular	O
class	O
,	O
override	B-Language
a	O
certain	O
method	O
and	O
require	O
the	O
overridden	O
method	O
to	O
call	O
the	O
original	O
method	O
from	O
the	O
overriding	B-Language
method	O
:	O
</s>
<s>
One	O
language	O
that	O
does	O
have	O
this	O
feature	O
,	O
in	O
a	O
quite	O
radical	O
fashion	O
,	O
is	O
BETA	B-Language
.	O
</s>
<s>
The	O
feature	O
is	O
found	O
in	O
a	O
limited	O
way	O
in	O
for	O
instance	O
Java	B-Language
and	O
C++	B-Language
,	O
where	O
a	O
child	O
class	O
constructor	O
always	O
calls	O
the	O
parent	O
class	O
constructor	O
.	O
</s>
<s>
Languages	O
that	O
support	O
before	O
and	O
after	O
methods	O
,	O
such	O
as	O
Common	B-Language
Lisp	I-Language
(	O
specifically	O
the	O
Common	B-Application
Lisp	I-Application
Object	I-Application
System	I-Application
)	O
,	O
provide	O
a	O
different	O
way	O
to	O
avoid	O
this	O
anti-pattern	O
.	O
</s>
<s>
The	O
subclass	O
's	O
programmer	O
can	O
,	O
instead	O
of	O
overriding	B-Language
the	O
superclass	O
's	O
method	O
,	O
supply	O
an	O
additional	O
method	O
which	O
will	O
be	O
executed	O
before	O
or	O
after	O
the	O
superclass	O
's	O
method	O
.	O
</s>
<s>
A	O
framework	O
that	O
uses	O
the	O
call	B-Application
super	I-Application
anti-pattern	O
may	O
provide	O
the	O
following	O
abstract	O
class	O
(	O
in	O
C#	B-Application
)	O
:	O
</s>
<s>
An	O
implementation	O
would	O
override	B-Language
this	O
class	O
like	O
this	O
:	O
</s>
