Realm advanced topics and demo

Realm advanced topics and demo
Realm World Tour Seoul June 8th 2017

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
34. Code
35. জ ࣗѐ
 (Scanner)
36. ࢎ૓੉ա ଼ਸ झப೧ࢲ
37. IBM Watson ࢲ࠺झܳ ج۰ࢲ…
38. ೧ࢳػ Ѿҗܳ ߈ജ೤פ׮.
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
53. nullਸ ೲਊೞ૑ ঋणפ׮.
54. ?۽ ՘աח ఋੑ਷ null ೲਊ
55. ݽ؛ Scanner, Java
57. RealmObject ё୓ܳ ࢚ࣘ.
58. nullਸ ೲਊೞ૑ ঋח ೙٘.
59. ಴ળ getters/setters ೙ࣻח ইתפ׮.
60. ੋૐ (Java)
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)
76. ׮নೠ ੋૐ (Swift)
78. ॳӝ
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)
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