The Object Repository - Pulling Objects out of the Ecosystem

•

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ESUG

IWST16

Logiciels

The
Object
Repository

Boris
Spasojević,
Mohammad
Ghafari,
Oscar
Nierstrasz

Software
Composition
Group

University
of
Bern

IDEA:
Objects
on
demand!

Object

Repository

Documentation

Browser

Playground

Random
Test

Engine

Debugger

Your
tool!

Object

Miner

The
miner
from
the
outside

Object

Repository

Object

Miner
141

projects

13,909

classes

source

code

snippets

The
miner
from
the
inside

PomodoroMorph>>progressBar
progressBar ifNil: [
progressBar := ProgressBarMorph new
].
ˆ progressBar

0
1
2
3
4
5
6
7
8
9
MethodNode

SequenceNode

ReturnNode

MessageNode

BlockNode

SequenceNode

AssighnmentNode

MessageNode

VariableNode

VariableNode

^ progressBar
progressBar ifNil: [
progressBar :=
ProgressBarMorph new
].
ProgressBarMorph new
ProgressBarMorph

1,525,914

154,904

[~10%]

Does
not

compile

[>82%]

do: #asString; asSet
Object

Repository

Snippets:92,460

[~60%]

Classes:
10,917

[~78%]

Multiple

snippets

20%

Single

snippet

80%

Classes

Multiple

snippets

20%

Literal

56%

Trivial

22%

Single

2%

Classes

0

2000

4000

6000

8000

10000

12000

14000

16000

18000

#
of
snippets

Summary

Object

Repository

0
1
2
3
5
6
8
9
Works
for
80%

of
classes

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The Object Repository - Pulling Objects out of the Ecosystem

1. The Object Repository Boris Spasojević, Mohammad Ghafari, Oscar Nierstrasz Software Composition Group University of Bern

2. IDEA: Objects on demand! Object Repository Documentation Browser Playground Random Test Engine Debugger Your tool! Object Miner

3. The miner from the outside Object Repository Object Miner 141 projects 13,909 classes source code snippets

4. The miner from the inside PomodoroMorph>>progressBar progressBar ifNil: [ progressBar := ProgressBarMorph new ]. ˆ progressBar

5. 0 1 2 3 4 5 6 7 8 9 MethodNode SequenceNode ReturnNode MessageNode BlockNode SequenceNode AssighnmentNode MessageNode VariableNode VariableNode ^ progressBar progressBar ifNil: [ progressBar := ProgressBarMorph new ]. ProgressBarMorph new ProgressBarMorph

6. 1,525,914 154,904 [~10%] Does not compile [>82%]

7. do: #asString; asSet Object Repository Snippets:92,460 [~60%] Classes: 10,917 [~78%]

8. Multiple snippets 20% Single snippet 80% Classes

9. Multiple snippets 20% Literal 56% Trivial 22% Single 2% Classes

10. 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 # of snippets

11. Summary Object Repository 0 1 2 3 5 6 8 9 Works for 80% of classes