Using Atlassian UAL and ActiveObjects for Rapid Plugin Development - AtlasCamp 2011

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The Atlassian Platform is full of great technologies to make your life easier. Learn how to leverage UAL and ActiveObjects as well as FishEye/Crucible's public SPI, in order to develop awesome plugins such as the new FishEye/Crucible to Bamboo integration plugin. Jason Hinch, FishEye & Crucible Developer

Technology

Rapid Development with
ActiveObjects

Jason Hinch
Developer, Atlassian

2

About Me
• FishEye/Crucible front-end team
• Java, Python and JavaScript

• 18 months at Atlassian
• Previously:
• Conﬂuence Plugins
• Perl Development

3

Agenda
• Why ActiveObjects?
• What is ActiveObjects?
• Getting Started
• Deﬁning an Entity
• CRUD with ActiveObjects
• Upgrade tasks
• Testing 4

The Idea
• Bamboo data and actions
from FishEye/Crucible
• Commit Graph
• Changeset
• Review
• Triggering Builds

5

The First Problem
• Fetching data from Bamboo
• Dependency on External System
• Large amount of data, fast
• Cache data in FishEye
• Storage
• Backup & Restore
7

Previous Solutions
• In Memory Cache
• Flat Files (Java/XML/JSON serialisation)
• SAL property sets
• Plugin managed database

8

ActiveObjects - What?
• Can refer to two different projects
• ActiveObjects Library
• Atlassian ActiveObjects Framework

10

ActiveObjects Library
• Lightweight ORM
• Annotation based DDL
• Create/Read/Update/Delete (CRUD)
• Upgrades

• Built on JDK Technologies
• Java Dynamic Proxies
• JDBC
11

ActiveObjects Framework
• Superset of ActiveObjects Library
• Plugin data in the application database
• Adds support for Atlassian application lifecycle
• Backup/Restore
• SAL Transactions
• Plugin lifecycle

12

AO Library vs Framework
• ActiveObjects Library
• net.java.ao*
• http://java.net/projects/activeobjects/pages/Home

• ActiveObjects Framework
• com.atlassian.activeobjects*
• https://studio.atlassian.com/wiki/display/AO

13

Supported Products
• FishEye 2.7.0 and above

• Crucible 2.7.0 and above

• JIRA 4.4 and above

14

ActiveObjects Philosophy
• Implements Active Record Pattern
• Class/Interface maps to a table
• Object instance maps to a row in the table
• Ruby on Rails, Django, CakePHP use this pattern

15

Deﬁning an Entity

• Interface
• Extends RawEntity (or subclass)

20

The Second Problem
• Change Model between versions
• Data Migration
• Upgrades already run

32

Upgrade Tasks
• Versioned
• Schema Migrations
• Data population / manipulation

33

Adding / Deleting
• Entity
• Add / Remove from ao.migrate call

• Field
• Add / Remove from Entity deﬁnition

37

Third First Problem
• Test the code
• Multiple Databases
• More Power & Trust -> More Responsibility

43

Targeting a Database
• May have speciﬁc requirements

• Target all supported Databases

• Set database via a Java property
• -Dao.test.database=oracle

47

Takeaways
• Set up ActiveObjects in your plugin
• Build & evolve complex data structures
• Unit test it against speciﬁc databases

48

Contact Me
• http://answers.atlassian.com
• Tag with active-objects

• Twitter: @j_hinch
• https://studio.atlassian.com/browse/AO

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Atlassian

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Using Atlassian UAL and ActiveObjects for Rapid Plugin Development - AtlasCamp 2011

2. Rapid Development with ActiveObjects Jason Hinch Developer, Atlassian 2

3. About Me • FishEye/Crucible front-end team • Java, Python and JavaScript • 18 months at Atlassian • Previously: • Conﬂuence Plugins • Perl Development 3

4. Agenda • Why ActiveObjects? • What is ActiveObjects? • Getting Started • Deﬁning an Entity • CRUD with ActiveObjects • Upgrade tasks • Testing 4

5. The Idea • Bamboo data and actions from FishEye/Crucible • Commit Graph • Changeset • Review • Triggering Builds 5

6. Quick Demo 6

7. The First Problem • Fetching data from Bamboo • Dependency on External System • Large amount of data, fast • Cache data in FishEye • Storage • Backup & Restore 7

8. Previous Solutions • In Memory Cache • Flat Files (Java/XML/JSON serialisation) • SAL property sets • Plugin managed database 8

9. ActiveObjects 9

10. ActiveObjects - What? • Can refer to two different projects • ActiveObjects Library • Atlassian ActiveObjects Framework 10

11. ActiveObjects Library • Lightweight ORM • Annotation based DDL • Create/Read/Update/Delete (CRUD) • Upgrades • Built on JDK Technologies • Java Dynamic Proxies • JDBC 11

12. ActiveObjects Framework • Superset of ActiveObjects Library • Plugin data in the application database • Adds support for Atlassian application lifecycle • Backup/Restore • SAL Transactions • Plugin lifecycle 12

13. AO Library vs Framework • ActiveObjects Library • net.java.ao* • http://java.net/projects/activeobjects/pages/Home • ActiveObjects Framework • com.atlassian.activeobjects* • https://studio.atlassian.com/wiki/display/AO 13

14. Supported Products • FishEye 2.7.0 and above • Crucible 2.7.0 and above • JIRA 4.4 and above 14

15. ActiveObjects Philosophy • Implements Active Record Pattern • Class/Interface maps to a table • Object instance maps to a row in the table • Ruby on Rails, Django, CakePHP use this pattern 15

16. Getting Started 16

17. pom.xml 17

18. atlassian-plugin.xml 18

19. Deﬁning an Entity 19

20. Deﬁning an Entity • Interface • Extends RawEntity (or subclass) 20

21. Entity interface 21

22. RawEntity interface 22

23. Entity -> SQL Table 23

24. Entity -> SQL Table 24

25. CRUD Create Read Update Delete 25

26. Create 26

27. Read 27

28. Read 28

29. Update 29

30. Delete 30

31. Transactions 31

32. The Second Problem • Change Model between versions • Data Migration • Upgrades already run 32

33. Upgrade Tasks • Versioned • Schema Migrations • Data population / manipulation 33

34. atlassian-plugin.xml 34

35. ActiveObjectsUpgradeTask 35

36. Importing Data 36

37. Adding / Deleting • Entity • Add / Remove from ao.migrate call • Field • Add / Remove from Entity deﬁnition 37

38. Renaming 38

39. Renaming 39

40. Renaming 40

41. Renaming 41

42. Renaming 42

43. Third First Problem • Test the code • Multiple Databases • More Power & Trust -> More Responsibility 43

44. pom.xml 44

45. ActiveObjectsJUnitRunner 45

46. Initialising Data 46

47. Targeting a Database • May have speciﬁc requirements • Target all supported Databases • Set database via a Java property • -Dao.test.database=oracle 47

48. Takeaways • Set up ActiveObjects in your plugin • Build & evolve complex data structures • Unit test it against speciﬁc databases 48

49. Contact Me • http://answers.atlassian.com • Tag with active-objects • Twitter: @j_hinch • https://studio.atlassian.com/browse/AO 49

50. Thank you!

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