3. • • seasar, java-ja
18
•
• 38
• Scala Advent
Calendar
• Java 2010/12/31
!
• S2Chronos,
S2Config
• @j5ik2o

4. DDD

7. •
•
•

9. domain =

10. •
•
•

12. •
•
•
http://www.flickr.com/photos/yoshimov/228695466/

14. • UI
•
•
•
http://www.flickr.com/photos/mithril/3588952396/

15. UI
•
•
•
• Web Action,
Page, JSP, JS
http://www.flickr.com/photos/ph0t0s/169353882/

16. •
•
•
http://www.flickr.com/photos/jordanleepics/359596349/

17. •
•
• http://www.flickr.com/photos/lwr/2405124325/

18. •
•
http://www.flickr.com/photos/96528863@N00/3257210887/

19. DDD

20. • SQL
Schema Generator
•
• ( )
• ( )
• (SQL )

23. •
• Entity, ValueObject, Service
•
•
•
•

24. Entity

25. •
•
•
•
• (Mutable)
(Immutable)

26. public static void main(String[] args) {
MString firstName = new MString("Junichi");
MString lastName = new MString("Kato");
MString fullName = getFullName(firstName, lastName);
System.out.println("fullName = "+fullName);
System.out.println("firstName = "+firstName);
}
private static MString getFullName(MString firstName, MString lastName){
MString result = firstName;
result.set(firstName + lastName); //
return result;
}

27. public static void main(String[] args) {
String firstName = "Junichi";
String lastName = "Kato";
String fullName = getFullName(firstName, lastName);
System.out.println("fullName = "+fullName);
System.out.println("firstName = "+firstName);
}
private static String getFullName(String firstName, String lastName){
String result = firstName.concat(flastName); //
return result;
}

28. (E)
ID ( )

29. • Entity
• DataSource
• ActionsImpl

30. •
• ( )
•

31. ValueObject

32. •
•
• VO = String, BigDecimal
•
• Immutable

33. (E)
ID ( )
(VO)
(VO)
(VO)

34. • ValueObject
• EchoActionImpl
• SqlActionImpl
• ActionContext

35. Immutable
• • final class
• Collection Map
•
final clone
• private
getter

36. •
Entity
• VO Entity
•
Collection<VO>
VO

37. Service

38. • Entity VO
Service
•

39. • DataSourceConnectServiceImpl

40. • Service
• Service

42. • Factory, Repository, Aggregate
•
• → →
•
Factory
•
Repository
• Aggregate

43. Factory

44. •
•

45. • ActionsFactoryImpl
• ActionFactoryImpl

46. •
• DI
• VO Factory Builder
Address address = new Address.Builder(Pref.TOKYO).withCity(“
”).withAddress(” 5-6-12”).withBuildingName(“
7F”).build();
• Scala
class List(...) { }
object List{ def apply(...){ new List(...) } }
val list = List(1,2,3)

47. Repository

48. • Entity
• Entity
DB
•

49. • ActionsRepositoryInProperties
• DataSourceRepositoryInProperties

50. •
Dxo(Domain eXchange Object)
•
• Dxo DSL
• Scala DSL ( Д )
• Java Dxo
• jiemamy object-manipulator

51. •
• Java EE /DDD
• Quickly
•
•
basicunits