Enhancing agile development through software assessment
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enhancing agile development
www.tudorgirba.com
with software assessment
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moosetechnology.org
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feedback is key
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feedback is key
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forward engineering
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forward engineering
actual development}
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forward engineering
actual development}
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reve
rse e
ngin
eerin
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assessment
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assessment is a discipline
assessment should be continuous
assessment should be contextual
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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{
McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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Lanza, Marinescu 2006
A God Class centralizes too much intelligence
ATFD > FEW
Class uses directly more than a
few attributes of other classes
WMC ! VERY HIGH
Functional complexity of the
class is very high
TCC < ONE THIRD
Class cohesion is low
AND GodClass
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{
McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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A picture tells
a thousand words
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Not all pictures tell a
thousand words
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Lanza, Ducasse 2003
System Complexity shows class hierarchies
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Class Blueprint shows class internals
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eDSM shows dependencies
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Duplications shown side by side
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}
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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}
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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}
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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moosetechnology.org
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Lanza, Ducasse 2003
What is this made of?
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What is this made of?
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package 1
package 2
...
Class A
Class B
...
method M
method N
...
source code
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McCabe = 21
LOC = 75
3,000
NOM = 102classes select: #isGod ...
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reve
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assessment
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feedback is key
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feedback is key
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assessment is a discipline
assessment should be continuous
assessment should be contextual
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assessment is a discipline
assessment must be continuous
assessment must be contextual
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Tudor Gîrbawww.tudorgirba.com
creativecommons.org/licenses/by/3.0/