DI-antiPattern.pdf

Transcript

1. DEPENDENCY INJECTION ANTI-PATTERNS @SHINDYU
2. DEPENDENCY INJECTION ANTI-PATTERNS SELF-INTRODUCTION ▸ ৽ಊ ܟོ / @shindyu ▸ ϠϑΦΫ! iOS ▸ ٕज़ॻయ̑ͰςετຊΛॻ͖·ͨ͠ʂ
 https://booth.pm/ja/items/1040471
3. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION ▸ ґଘੑͷ஫ೖ
 ʰ͋ΔΦϒδΣΫτʹରͯ͠ґଘؔ܎ͷ͋ΔผͷΦϒδΣΫ τΛ֎෦͔Β౉͢͜ͱʱ ▸ ੹຿ͷ෼཭ ▸ ςετ͠΍͍͢
4. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
5. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
6. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
7. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
8. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
9. DEPENDENCY INJECTION ANTI-PATTERNS DEPENDENCY INJECTION PATTERNS ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context
10. DEPENDENCY INJECTION ANTI-PATTERNS ANTI-PATTERNS ▸ Control Freak ▸ Bastard Injection ▸ Service Locator
11. DEPENDENCY INJECTION ANTI-PATTERNS CONTROL FREAK ▸ DI͞Ε͍ͯͳ͍ঢ়ଶ ▸ StableͱVolatileΛݟۃΊͯDIύλʔϯΛ࢖͏
12. DEPENDENCY INJECTION ANTI-PATTERNS STABLE / VOLATILE ▸ Stable Dependency : ҆ఆͨ͠ґଘؔ܎ ▸ ex) ಺෦ͰͷΈར༻͢ΔϞδϡʔϧ ▸ Volatile Dependency : شൃੑͷ͋Δґଘؔ܎ ▸ ex) ཚ਺ɺ࣌ؒΛར༻͢ΔϞδϡʔϧɺ
 ɹ ฒߦ։ൃதͰFIX͍ͯ͠ͳ͍ґଘؔ܎
13. DEPENDENCY INJECTION ANTI-PATTERNS BASTARD INJECTION ▸ ConstructorͷύϥϝʔλʹσϑΥϧτ஋ͱͯ͠
 ֎෦ϞδϡʔϧΛࢦఆͯ͠͠·ͬͨঢ়ଶ
14. DEPENDENCY INJECTION ANTI-PATTERNS BASTARD INJECTION
15. DEPENDENCY INJECTION ANTI-PATTERNS BASTARD INJECTION
16. DEPENDENCY INJECTION ANTI-PATTERNS BASTARD INJECTION ▸ ςετ͸ॻ͖΍͍͢ ▸ ͕ɺ݁ہ͸֎෦Ϟδϡʔϧͷ࣮૷ʹґଘ͍ͯ͠ΔͷͰμϝ
17. DEPENDENCY INJECTION ANTI-PATTERNS BASTARD INJECTION ▸ ͜Ε͸͓ͦΒ͘Bastard InjectionͰ͸ͳ͍͕
 ґଘؔ܎͕ΦϓγϣφϧͳΒMethod Injection౳Ͱྑ͍
18. DEPENDENCY INJECTION ANTI-PATTERNS SERVICE LOCATOR
19. DEPENDENCY INJECTION ANTI-PATTERNS SERVICE LOCATOR
20. DEPENDENCY INJECTION ANTI-PATTERNS SERVICE LOCATOR ▸ ґଘؔ܎Λ҉໧తʹӅ͍ͯ͠Δ ▸ ServiceLocator΁ͷґଘ͕ൃੜ͍ͯ͠Δ ▸ ServiceLocatorܦ༝Ͱ࡞ΒΕͨ΋ͷ͔֬ೝ͢Δඞཁ͕͋Δ
21. DEPENDENCY INJECTION ANTI-PATTERNS SUMMARY ▸ Dependency Injection ▸ Constructor Injection ▸ Property Injection ▸ Method Injection ▸ Ambient Context ▸ Anti-Patterns ▸ Control Freak ▸ Bastard Injection ▸ Service Locator ͍ͨͩ͠ύλʔϯΛཧղͯ͠ΑΓྑ͍ίʔυΛʂ
22. DEPENDENCY INJECTION ANTI-PATTERNS REFERENCES ▸ http://ilya.puchka.me/dependency-injection-in-swift/ ▸ https://www.future-processing.pl/blog/introduction-to- dependency-injection/