<s>
JRipples	B-Language
is	O
a	O
change	O
impact	O
analysis	O
tool	O
for	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
It	O
is	O
an	O
open	O
source	O
Eclipse	B-Application
plug-in	B-Application
.	O
</s>
<s>
During	O
a	O
change	O
,	O
JRipples	B-Language
can	O
be	O
run	O
to	O
assist	O
the	O
developer	O
in	O
identifying	O
the	O
impact	O
of	O
the	O
change	O
.	O
</s>
<s>
JRipples	B-Language
was	O
developed	O
by	O
Maksym	O
Petrenko	O
starting	O
2005	O
.	O
</s>
<s>
JRipples	B-Language
integrates	O
into	O
the	O
Eclipse	B-Application
menu	O
toolbar	O
.	O
</s>
<s>
To	O
start	O
an	O
analysis	O
the	O
user	O
selects	O
JRipples	B-Language
->	O
Start	O
Analysis	O
.	O
</s>
<s>
After	O
the	O
analysis	O
a	O
JRipples	B-Language
Hierarchical	O
View	O
will	O
appear	O
.	O
</s>
<s>
After	O
selecting	O
"	O
Propagating	O
"	O
from	O
the	O
right	O
click	O
menu	O
,	O
JRipples	B-Language
identified	O
four	O
more	O
classes	O
which	O
the	O
change	O
may	O
have	O
propagated	O
to	O
,	O
and	O
marked	O
them	O
"	O
Next	O
"	O
.	O
</s>
<s>
JRipples	B-Language
includes	O
two	O
features	O
to	O
make	O
a	O
developer	O
's	O
search	O
more	O
direct	O
:	O
Lucene	B-Language
and	O
GREP	B-Application
analysis	O
.	O
</s>
<s>
To	O
use	O
these	O
tools	O
,	O
the	O
developer	O
only	O
has	O
to	O
right-click	O
in	O
the	O
JRipples	B-Language
Hierarchical	O
View	O
and	O
select	O
either	O
tool	O
in	O
the	O
pop-up	O
menu	O
.	O
</s>
<s>
The	O
GREP	B-Application
tool	O
may	O
be	O
used	O
like	O
a	O
customary	O
GREP	B-Application
tool	O
,	O
however	O
JRipples	B-Language
will	O
rank	O
each	O
class	O
based	O
on	O
the	O
number	O
of	O
hits	O
from	O
the	O
GREP	B-Application
.	O
</s>
<s>
The	O
Lucene	B-Language
tool	O
is	O
more	O
intelligent	O
.	O
</s>
<s>
The	O
first	O
time	O
a	O
developer	O
uses	O
the	O
Lucene	B-Language
tool	O
,	O
the	O
project	O
will	O
need	O
to	O
be	O
indexed	O
,	O
which	O
may	O
take	O
a	O
significant	O
amount	O
of	O
time	O
if	O
the	O
project	O
is	O
large	O
.	O
</s>
<s>
Version	O
3.2.0	O
has	O
a	O
known	O
bug	O
,	O
it	O
has	O
a	O
fatal	O
error	O
when	O
run	O
on	O
Eclipse	B-Application
IDE	I-Application
for	O
Java	B-Language
EE	O
for	O
Web	O
Developers	O
,	O
Build	O
id	O
:	O
20090920-1017	O
.	O
</s>
<s>
It	O
will	O
however	O
,	O
work	O
with	O
the	O
standard	O
Java	B-Language
Developers	O
version	O
along	O
with	O
many	O
older	O
versions	O
of	O
Eclipse	B-Application
.	O
</s>
