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次世代MobileデータベースRealm
Kishikawa Katsumi
February 19, 2016
Programming
2
300
次世代MobileデータベースRealm
Developers Summit 2016
Kishikawa Katsumi
February 19, 2016
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Transcript
如⚅➿.PCJMFر٦ةك٦أ 3FBMN
IUUQTHJUIVCDPNLJTIJLBXBLBUTVNJ LJTIJLBXBLBUTVNJ IUUQCMPHLJTIJLBXBLBUTVNJDPN 3FBMN 5FDIOJDBM"EWJTPS 3FBMN*OD։
None
3FBMNהכ⡦ַ
ٌغ؎ٕرغ؎أ㼔欽ח倜׃ֻ⡲ر٦ةك٦أ 0CKFDUJWF$䎃剢։ +BWB䎃剢։ 4XJGU䎃剢։ ٌغ؎ٕ欽鷿ח剑黝⻉ׁגְ 鹼䒀ٗ٦س ئٗ؝ؾ٦ ط؎ذ؍ـ٥ؙٔٝ 3FBMNהכ⡦ַ
ؔ٦فٝا٦أ ぐ珏غ؎ٝر؍ؚٝ0CKDUJWF$4XJGU+BWBⰕ׆ ⰻ鿇أزٖ٦آؒٝآٝתזֻⰕ✮㹀 杝荈ؒٝآٝ42-JUF⢪גְזְ 3FBMNהכ⡦ַ
넝鸞ז⹛⡲ 农〾⻉垥彊鄲⪒ وٕثفٓحزؿؓ٦ي J04049"OESPJE +4JOCFUB /&5JODPNJOH 湫䠬涸דءٝفٕז"1* ♨㻝ז؟ه٦ز傈劤铂0, 3FBMNך暴ꞿ
None
3FBMNِ٦ؠ٦
3FBMNָ⢪גְ،فٔ 傈劤穗幥倜耀ꨵ㶨晛 1JOUFSFTU $BNFSBO "8" 薉⽃铂؟فٔ 4ZODCZ8BOUFEMZ $IBUXPSL (SPVQPO GFBUIFSGPS5XJUUFS
5XJUQBOF 'BMDPO1SP "QMPT J$PNJDT &JHIUCZ4BOTBO
넝鸞ז⹛⡲
*OTFSU6QEBUF .7$$،٦ؗذؙثٍ ط؎ذ؍ـ٥ؙٔٝ 2VFSZ ئٗ؝ؾ٦ 鹼䒀ٗ٦س 넝鸞ז⹛⡲
ػؿؓ٦وٝأ嫰鯰
傈劤Ⰻ㕂ך⡝䨽♰⟝嗚稊ׅ،فٔ
HJUIVCDPNLJTIJLBXBLBUTVNJ3FBMN$PSF%BUB1FSGPSNBODF
Realm CoreData શ݅औಘ 0.0004ඵ 8.01ඵ ෦Ұகݕࡧ 0.09ඵ 1.27ඵ ෦Ұகݕࡧʴιʔτ 0.09ඵ
2.23ඵ ♰⟝ך⡝䨽ر٦ةך嗚稊鸞䏝
Realm CoreData શ݅औಘ 12MB 65MB ෦Ұகݕࡧ 12MB 18MB ෦Ұகݕࡧʴιʔτ 12MB
20MB ♰⟝ך⡝䨽ر٦ةך嗚稊ًٌٔ嶊顤
农〾⻉堣腉
let key = NSMutableData(length: 64)! SecRandomCopyBytes(kSecRandomDefault, key.length, UnsafeMutablePointer<UInt8>(key.mutableBytes)) let config
= Realm.Configuration(encryptionKey: key) let realm = try! Realm(configuration: config) 农〾⻉堣腉
إٝءذ؍ـז䞔㜠ך⥂㶷 խ⦐➂䞔㜠ծ،ؕؐٝزز٦ؙٝזו 衼⡲埄זוד⥂隊ׁر٦ة 农〾⻉堣腉
وٕثفٓحزؿؓ٦ي
None
class Article: Object { dynamic var id: Int = 0
dynamic var title: String = "" dynamic var contents: String = "" dynamic var creationDate: NSDate = NSDate() dynamic var modificationDate: NSDate = NSDate() dynamic var deletionDate: NSDate? = nil dynamic var user: User? = nil let comments = List<Comment>() } ٌرٕذ٦ـٕ㹀纏 J04
public class Article extends RealmObject { @PrimaryKey private int id;
private String title; private String contents; private Date creationDate; private Date modificationDate; private Date deletionDate; private User user; private RealmList<Comment> user; } ٌرٕذ٦ـٕ㹀纏 "OESPJE
let realm = try! Realm() // RealmίωΫγϣϯ let article =
Article() article.title = titleTextfield.text article.contents = contentTextfield.text realm.write { // τϥϯβΫγϣϯ realm.add(article) } ر٦ةך⥂㶷 J04
Realm realm = Realm.getInstance(this); // RealmίωΫγϣϯ realm.beginTransaction(); // τϥϯβΫγϣϯ։࢝ Article
article = realm.createObject(Article.class); article.setText(titleTextfield.getText()); article.setContents(contentTextfield.getText()); realm.commitTransaction(); // τϥϯβΫγϣϯऴྃ ر٦ةך⥂㶷 "OESPJE
let realm = try! Realm() letɹarticles = realm .objects(Article) .filter("user
= %@", currentUser) .sorted("modificationDate", ascending: false) ؙؒٔ J04
Realm realm = Realm.getInstance(this); RealmResults<Article> result = realm .where(Article.class) .equalTo("user.id",
currentUser.getId()) .findAll() .sort("modificationDate", Sort.DESCENDING); ؙؒٔ "OESPJE
Storage Engine ObjectStore API Objective-C Binging Java Binging Swift Binging
C++ وٕثفٓحزؿؓ٦ي佄ִ ،٦ؗذؙثٍ
J04"OESPJE⚕倯ד3FBMNָ⢪גְ،فٔ "8" &JHIUCZ4BOTBO 㹺做،ٕغيגי J20/
ٌغ؎ٕرغ؎أפך剑黝⻉ ך➬穈
䗡䎿׃鹼䒀ٗ٦س
颩ְغ؎ٝر؍ؚٝ堣圓ח״䗡䎿׃鹼䒀ٗ٦س فٗػذ؍ח،ؙإأׅתדְַזر٦ة⥂䭯׃זְ 㣐ꆀךر٦ة侧⼧ծ侧涰♰⟝ד넝鸞ח満ًٌٔד⸬桦״ֻ䪔ִ 䗡䎿׃鹼䒀ٗ٦س
పఈͨ͠Ԇϩʔυ articles = realm.objects(Article).filter("user = %@", currentUser)
పఈͨ͠Ԇϩʔυ articles = realm.objects(Article) .filter("user = %@", currentUser)
పఈͨ͠Ԇϩʔυ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user =
%@", currentUser)
పఈͨ͠Ԇϩʔυ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user =
%@", currentUser) 3FTVMUT"SUJDMF 5BCMF"SUJDMF
పఈͨ͠Ԇϩʔυ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user =
%@", currentUser) 3FTVMUT"SUJDMF 5BCMF"SUJDMF 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS
పఈͨ͠Ԇϩʔυ let articles = allArticles.filter(“user = %@", currentUser) let count
= articles.count 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS $PVOU 7JFX
పఈͨ͠Ԇϩʔυ let count = articles.count let article = articles[0] 3FTVMUT"SUJDMF
5BCMF"SUJDMF 2VFSZVTFS $PVOU 7JFX "SUJDMF 3PX*OEFY 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS $PVOU 7JFX
పఈͨ͠Ԇϩʔυ let article = articles[0] let title = article.title "SUJDMF
3PX*OEFY 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS $PVOU 7JFX "SUJDMF 3PX*OEFY 5JUMF(FUUFS 3FBMN 4USJOH 5JUMF
ئٗ٥؝ؾ٦ ر٦ة♧ⴖ؝ؾ٦׃זְ
.FNPSZNBQQFEؿ؋؎ٕ ًٌٔהر؍أؙ♳דずׄؿؓ٦وحزךر٦ة ׅץגךؙؒٔכؔؿإحزך乼⡲ فٗػذ؍ך،ؙإأדⴱגر٦ة《䖤 ئٗ٥؝ؾ٦
3FBMN ך➭ך03. 㹋ꥷח،ؙإأׅ鿇ⴓ ֽر٦ة铣⳿ׅ ⟝侧ⴓך ؔـآؙؑز ָ⡲
.7$$"SDIJUFDUVSF .VMUJ7FSTJPO$PODVSSFODZ$POUSPM
.VMUJ7FSTJPO$PODVSSFODZ$POUSPM غ٦آّٝ㾶娖ח״زٓٝؠؙءّٝך盖椚 ぐزٓٝؠؙءّٝכծ֮儗挿ךأشحفءّحز 铣鴥כⴽך铣鴥ծ剅ֹ鴥ـٗحؙ׃זְ 剅ֹ鴥כ铣鴥ـٗحؙ׃זְ 剅ֹ鴥ה剅ֹ鴥כـٗحؙׅ .7$$"SDIJUFDUVSF
ꟼ鸬ך؝أزָ㸜ְ ط؎ذ؍ـ٥ؙٔٝ
3FBMNךر٦ة圓鸡כ䊬㣐ז# USFF 㼎ծ㼎㢳ךꟼ鸬荈搫ח邌植דֹ ه؎ٝة籬ּֽծ؝أزך넝ְ+PJOכ♶銲 6*ך鿪さחさׇגر٦ة圓鸡㹀纏׃װְׅ ꟼ鸬ך؝أزָ㸜ְ
ⵖꣲ✲갪חאְג
㛇劤涸ז俑㶵הغ؎زꂁծ傈➰ծ׃ג侧⦼㘗ך ꂁװ鳤剅湫䱸⥂㶷דֹזְ㔐鼘瘻ؔـآؙؑزדٓحفׅ 㼛勻涸חכ㢳圫זر٦ة㘗.BQ4FU 63- 㔿㹀鹌侧 FUD؟ه٦ز ٌرٕךⵖꣲ
䗳׆暴㹀ךؙٓأך؟ـؙٓأדזֽלזזְ 3FBMNؔـآؙؑزכ鹼䒀ٗ٦سך㹋植ךծفٗؗءה׃ג⹛⡲ׅ ךדծ鸐䌢ךؔـآؙؑزה殯ז㜥さָ֮ أٖحس馄ִג3FBMNؔـآؙؑز床ֿׅהָדֹזְ 3FBMNؔـآؙؑزךⵖꣲ
宕竲⻉ׁגְזְ⦼ח㼎ؙׅؒٔכ劢؟ه٦ز ꟼ侧זוד㢌䳔׃⦼勴⟝חׅծ醱侧ךؕٓيךさ鎘⦼勴⟝ח ׅזו 宕竲⻉ׁגְזְ⦼嗚稊穠卓ה׃ג㼪⳿ׅ 䚍ⴽָˏ'ˏה.ד⥂㶷ׁגְהֹծ侧⦼ח㢌䳔׃ג侧ִ ♳־זו ؙؒٔךⵖꣲ
J1IPOFזודכ֮玎䏝⟃♳ךؿ؋؎ٕ؟؎ؤחזהNNBQ ָ㣟 侁ׅؿ؋؎ًٌٕٔחوحؾؚٝדֹזְ رغ؎أ⣛㶷ָծְְ.#։ 㼛勻涸חծًٌٔوحفך眔㔲ⴓⶴֿׅהד㼎䘔✮㹀 ؿ؋؎ٕ؟؎ؤךⵖꣲ
3FBMNחאְג锃ץ 罋项俱
˖ Ⱅ䒭8FC؟؎ز! IUUQTSFBMNJPKQ ˖ (JU)VC IUUQTHJUIVCDPNSFBMNSFBMNDPDPB IUUQTHJUIVCDPNSFBMNSFBMNKBWB
˖ ِ٦ؠ٦ؚٕ٦ف! IUUQTXXXGBDFCPPLDPNHSPVQTSFBMNKQ ˖ ؟ه٦زثٍحز! IUUQTMBDLSFBMNJP ˖ 5XJUUFS! IUUQTUXJUUFSDPNSFBMN+BQBO ˖ ى٦ز،حف! IUUQSFBMNDPOOQBTTDPN 罋项俱
3FBMN+BQBONFFUVQ SFBMNDPOOQBTTDPN
3FBMN+BQBONFFUVQ SFBMNJPKQOFXT
3FBMN+BQBONFFUVQ SFBMNDPOOQBTTDPN ։ه٦ز吳䒭⠓爡銮倜㺊 ։ٖغٖآ٦ؤ吳䒭⠓爡幪靼ؼؕٔؒ ։4BOTBO吳䒭⠓爡邌麣
3FBMNعٝؤؔٝ SFBMNDPOOQBTTDPN ։ٖغٖآ٦ؤ吳䒭⠓爡幪靼ؼؕٔؒ
3FBMN+BQBO6TFS(SPVQ GBDFCPPLDPNHSPVQTSFBMNKQ
1VCMJD3FBMN4MBDL! TMBDLSFBMNJP