Realm advanced topics and demo

Transcript

1. Part 3:
 Advanced topics and demo Leonardo YongUk Kim (lk@realm.io)

2. • MVCC (RMD) • Zero Copy (RMD) • Event Handling

   (RMD + RMP) • RMP Demo (RMP)

3. MVCC: Multi Version Concurrency Control

4. ݒ਋ ௾ B+ ౟ܻ৬ MVCC • ݒ਋ ௾ B+ ౟ܻܳ

   ஸۢ ӝળਵ۽ ҳࢿ. • ߸҃ ࢎ೦ਸ MVCC(Multi Version Concurrency Control)۽ ҙܻ.

5. ݒ਋ ௾ B+ ౟ܻ … ప੉࠶ ܖ౟ ஸۢਵ۽ࠗఠ ؘ੉ఠ

6. ਫ਼Ӭ݅ਃ? ৵ ஸۢࠗఠભ? … ప੉࠶ ܖ౟ ஸۢਵ۽ࠗఠ ؘ੉ఠ

7. ੋؙझ ੉ܴ ੉ݫੌ ੹ചߣഐ 1 ٣஠೐ܻয় d@realm.io 1004 2 ੐਷઱

   da@realm.io 1005 3 ѱ੉எ g@realm.io 1006 4 ш޹਋ 1@realm.io 1007

8. ੋؙझ ੉ܴ ੉ݫੌ ੹ചߣഐ 1 ٣஠೐ܻয় d@realm.io 1004 2 ੐਷઱

   da@realm.io 1005 3 ѱ੉எ g@realm.io 1006 4 ш޹਋ 1@realm.io 1007 ੉ܴਵ۽ ઑഥ೮णפ׮.

9. ੋؙझ ੉ܴ ੉ݫੌ ੹ചߣഐ 1 ٣஠೐ܻয় d@realm.io 1004 2 ੐਷઱

   da@realm.io 1005 3 ѱ੉எ g@realm.io 1006 4 ш޹਋ 1@realm.io 1007 ੹ా੸ੋ ؘ੉ఋ߬੉झח ೠ઴ ঀ ੷੢೤פ׮. -> நए ޷झ

10. ੋؙझ ੉ܴ ੉ݫੌ ੹ചߣഐ 1 ٣஠೐ܻয় d@realm.io 1004 2 ੐਷઱

    da@realm.io 1005 3 ѱ੉எ g@realm.io 1006 4 ш޹਋ 1@realm.io 1007 ೠ઴ ঀ ੷੢ೞݶ ਊ۝੉ ݏ૑ ঋইࢲ ಁ٬ب ֍যঠ ೤פ׮.

11. ੋؙझ ੉ܴ ੉ݫੌ ੹ചߣഐ 1 ٣஠೐ܻয় d@realm.io 1004 2 ੐਷઱

    da@realm.io 1005 3 ѱ੉எ g@realm.io 1006 4 ш޹਋ 1@realm.io 1007 ೠ઴ঀ ੷੢ೞݶ நए൤౟ਯ੉ ֫Ҋ ಁ٬੉ ೙ਃহযਃ.

12. ׮઺ߡ੹ زदઁয(MVCC) A B C D F G E H

    I ߡ੹ 1 Root

13. ॳӝ ౟ے੥࣌਷ ࢜ झշࢫਸ ٟ݅פ׮. A B C D F

    G E H I E’ H’ C’ A’ Root ߡ੹ 2

14. ॳӝ ઺ীب ੍ӝо оמ೤פ׮. A B C D F G

    E H I E’ H’ C’ A’ ߡ੹ 2 ॳӝ઺ ߡ੹ 1 ੍ӝ ઺

15. ੍ӝח ߓఋ੸੉૑ ঋणפ׮. A B C D F G E

    H I E’ H’ C’ A’ ߡ੹ 2 ॳӝ઺ ਬ੷ 2: ߡ੹ 1 ੍ӝ ઺ ਬ੷ 1: ߡ੹ 1 ੍ӝ ઺

16. উ੹೤פ׮ A B C D F G E H I

    E’ C’ A’ Root ߡ੹ 1 ੘ࢿ ઺ ೐ܻૉ ߊࢤ ߡ੹ 1਷ উ੹ ನੋఠب ৈ੹൤ ߡ੹ 1ਵ۽

17. пӝ ׮ܲ झۨ٘ ۽ஸਸ о૘פ׮. A B C D F

    G E H I E’ H’ C’ A’ ਬ੷ 3:ߡ੹ 2 ॳӝ઺ ਬ੷ 2: ߡ੹ 1 ੍ӝ ઺ ਬ੷ 1: ߡ੹ 1 ੍ӝ ઺ झۨ٘ ۽ஸ 1: ߡ੹ 1 झۨ٘ ۽ஸ 2: ߡ੹ 1 झۨ٘ ۽ஸ 3: ߡ੹ 1 -> 2

18. ഒۆझ۞਎ ࣻ ੓ח झۨ٘ ۽ஸ • ߓఋ੸੉૑ ঋѱ ബਯ੸ਵ۽ ੍ӝ,

    ॳӝܳ ೞӝ ਤ೧
 ݫఋ ؘ੉ఠܳ झۨ٘ ױਤ۽ ੷੢.
 • ݫݽܻ ݗਵ۽ োѾػ ؘ੉ఠח ݣ౭ झۨ٘۽ ҕਬغҊ ੓਺.
 • ׮݅ झۨ٘ ۽ஸ۽ ৌܽ Realm, RealmList, RealmResults, RealmObject ё୓ܳ ׮ܲ झۨ٘۽ ੹׳ೡ ࣻ হ਺.
 • ׮ܲ झۨ٘ীࢲ ௪ܻܳ ೞݶ ݣ౭ झۨ٘ ੗ܐ ҕਬ ؋ী ߄۽ ੍਺.

19. Zero copy

20. җѢ ಕ੉झ࠘ জ੄ ޙઁ੼ • JSON ੋ௏٬җ ٣௏٬ী ݆਷ ܻࣗझܳ

    ೲ࠺.
 • ࢎਊغ૑ ঋ਷ ؘ੉ఠب ٣௏٬ਸ ೧ࢲ Java ё୓ী ׸ওযঠ ೣ.
 • ೧Ѿ଼: ҳӖ੄ FlatBuffersܳ ॳ੗.

21. ੹ా੸ੋ ࣻച (Hydrate) • ؘ੉ఠ߬੉झীࢲ ੗ܐܳ ޙ੗ৌ੉ա ӝఋ ੋ௏٬ ػ

    ഋక۽ оઉ২פ׮.
 • ౵य ഑਷ ٣௏٬ਸ ೧ࢲ оઉৡ ؘ੉ఠܳ ކٶ Java ё୓ী ׸ইસפ׮.

22. CPU৬ ݫݽܻܳ խ࠺ೞח ࣻച • ؘ੉ఠ߬੉झীࢲ ੗ܐܳ ޙ੗ৌ੉ա ӝఋ ੋ௏٬ػ

    ഋక۽ оઉ২פ׮. • ॳ૑ب ঋ਷ ؘ੉ఠب ׮ оઉয়Ҋ ߸ജө૑ Ѣଢ଼যਃ.
 • ౵य ഑਷ ٣௏٬ਸ ೧ࢲ оઉৡ ؘ੉ఠܳ ކٶ Java ё୓੄ ೙٘ ׸ই સפ׮. • ॳ૑ب ঋਸ ؘ੉ఠܳ ੹ࠗ ׮द ߸ജೞҊ ކٶ ೙٘ী ׸ওযਃ.

23. FlatBuffers • Facebook জীࢲ FlatBuffers (Google)ਸ بੑೞৈ ਬݺ೧૗.

24. Zero copy public long id() { int o = __offset(4);

    return o != 0 ? bb.getLong(o + bb_pos) : 0; }
 public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; } 
 ByteBuffer bb = ByteBuffer.wrap(bytes);
 MyObject obj = MyObject.getRootAsMyObject(bb);
 long id = obj.id();
 String name = obj.name();


25. • Realmب Zero copy അ੤ rowী ؀ೠ ੿ࠁ ஸۢҗ ۽਋੄

    ੋؙझী null ഑਷ ޙ੗ৌਸ ੷੢ पઁ ؘ੉ఠо ׸ӟ ప੉࠶ ۽਋৬ ஸۢਸ ੉ਊ೧ࢲ झ౟݂ਸ о૑Ҋ ১

26. • RealmProxyObject name setName getName RealmObject realmGet$name realmSet$name RealmProxyObject •

    Annotation Processing Tool੉ ੉ ੘সਸ ؀न೧સפ׮.

27. Event Handling

28. ؘ੉ఠ੄ ൒ܴ݅ ࢤпೞۄ. 1. ௿ۄ੉঱౟ب ੉߮౟ ӝ߈੄ ೐۽Ӓې߁. 2. ࢲߡ

    ࢎ੉٘(RMP)ب ੉߮౟ ӝ߈੄ ೐۽Ӓې߁. ௿ۄ੉঱౟
 ؘ੉ఠ ߸҃ ࢲߡ ࢎ੉٘
 ؘ੉ఠ ߸҃ ࢲߡ
 ೩ٜ۞ ഐ୹ ௿ۄ੉঱౟
 ೩ٜ۞ ഐ୹

29. ௿ۄ੉঱౟
 ؘ੉ఠ ߸҃ ࢲߡ ࢎ੉٘
 ؘ੉ఠ ߸҃ ࢲߡ
 ೩ٜ۞ ഐ୹

    ௿ۄ੉঱౟
 ೩ٜ۞ ഐ୹

30. ௿ۄ੉঱౟
 ؘ੉ఠ ߸҃ ࢲߡ ࢎ੉٘
 ؘ੉ఠ ߸҃ ࢲߡ
 ೩ٜ۞ ഐ୹

    ௿ۄ੉঱౟
 ೩ٜ۞ ഐ୹

31. Good bye REST!

32. RMP Demo

33. None

34. Code

35. জ ࣗѐ
 (Scanner)

36. ࢎ૓੉ա ଼ਸ झப೧ࢲ

37. IBM Watson ࢲ࠺झܳ ج۰ࢲ…

38. ೧ࢳػ Ѿҗܳ ߈ജ೤פ׮.

39. None

40. ࢎਊ੗о ࢎ૓ਸ ନणפ׮.

41. ۽ஸ DBী زӝചؾפ׮.

42. ۽ஸ DB৬ ࢲߡо زӝച

43. ࢲߡ੄ ੉߮౟ ೩ٜ۞о ৌ݀פ׮

44. ੉߮౟ ೩ٜ۞о ৲टী ੉޷૑ܳ ੹׳೤פ׮.

45. ৲ट੉ ੉޷૑ܳ ࠙ࢳ೤פ׮ -_-b

46. ୊ܻ Ѿҗо ੉߮౟ ೩ٜ۞ীѱ ܻఢ

47. ੉߮౟ ೩ٜ۞о DBܳ সؘ੉౟ ೤פ׮

48. ࢲߡ৬ ۽ஸ DBо زӝച

49. ௿ۄ੉঱౟੄ ߸҃ ܻझց ഐ୹غҊ UIܳ јन೤פ׮

50. Scanner জ ੷੢ࣗ https://github.com/realm-demos/realm-scanner name@realm.io

51. ݽ؛ Scanner, Swift

52. None

53. nullਸ ೲਊೞ૑ ঋणפ׮.

54. ?۽ ՘աח ఋੑ਷ null ೲਊ

55. ݽ؛ Scanner, Java

56. None

57. RealmObject ё୓ܳ ࢚ࣘ.

58. nullਸ ೲਊೞ૑ ঋח ೙٘.

59. ಴ળ getters/setters ೙ࣻח ইתפ׮.

60. ੋૐ (Java)

61. None

62. ই੉٣, ಁझਕ٘ܳ ੹׳೧ࢲ SyncCredetialsܳ ٟ݅פ׮.

63. ۽Ӓੋ

64. ੋૐ ࢲߡ ҃۽

65. ࢿҕ

66. Realm ࢸ੿

67. ؘ੉ఠ ߬੉झ੄ ҃۽

68. Realm ੋझఢझ

69. Realm ੋझఢझܳ ੜ ײ਻द׮.
 (ۨಌ۠झ ஠਍౟)

70. ੋૐ (Swift)

71. ۽Ӓੋਸ ೤פ׮.

72. Realm ࢸ੿

73. Realm ੋझఢझ

74. ׮নೠ ੋૐ (Java)

75. None

76. ׮নೠ ੋૐ (Swift)

77. None

78. ॳӝ

79. None

80. ॳӝী݅ ౟ے੥࣌ ࢤࢿ

81. ݽ؛ਸ ੉ਊೞৈ ੋझఢझ ࢤࢿ

82. Scan ੋझఢझ੄ ࢚క ࣻ੿

83. ߸҃ ҙܻܳ ਤೠ ੉߮౟ ܻझց ١۾ ࢲߡա জ੄ ׮ܲ ࠗ࠙ীࢲ

    ؘ੉ఠо ߸҃غ঻ਸ ٸ ܻझցܳ ഐ୹. (iOS੄ ҃਋ীח Key-Value Observationب ૑ਗ.)

84. ੍ӝ

85. ё୓ оઉয়ӝ

86. ೙ఠ݂җ ੿۳

87. ߸҃ ঌܿ (Java)

88. ߸҃ػ ё୓о ੋ੗۽ ੹׳ؽ.

89. ߸҃ ঌܿ (Swift)

90. iOS੄ ಴ળ Key-Value Observation

91. ߸҃ ঌܿ (ࢲߡ)

92. None

93. ࢲߡ ੉߮౟ ೩ٜ۞ܳ ٜ݅ ٸח ؀ѐ ష௾ਸ ੉ਊ೧ࢲ ۽Ӓੋ.

94. ߑӘ ݅ٚ admin_user৬ NOTIFIER_PATH ҃۽, ࢚ױ੄ ௒ߔਵ۽ ܻझցܳ ١۾.

95. change_event੄ ׮নೠ ࣘࢿਸ ੉ਊ.

96. Realm ੋझఢझ

97. ੌ۲੄ ؀࢚ ё୓.

98. ੋؙझо ୶о, ࢏ઁ, ߸҃ ૘೤ਵ۽
 ࣁ޻ೞѱ ੹׳. Fine-grained notifications.

99. Thank you kr@realm.io realm.io/kr name@realm.io