次世代MobileデータベースRealm

如⚅➿.PCJMFر٦ةك٦أ 3FBMN

IUUQTHJUIVCDPNLJTIJLBXBLBUTVNJ LJTIJLBXBLBUTVNJ IUUQCMPHLJTIJLBXBLBUTVNJDPN 3FBMN 5FDIOJDBM"EWJTPS 3FBMN*OD։

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+BWBⰕꟚ׆׫ ⰻ鿇أزٖ٦آؒٝآٝת׮זֻⰕꟚ✮㹀 杝荈ؒٝآٝ42-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

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 ෦෼Ұகݕࡧ 0.09ඵ 1.27ඵ ෦෼Ұகݕࡧʴιʔτ 0.09ඵ
2.23ඵ ♰⟝ך⡝䨽ر٦ةך嗚稊鸞䏝

Realm CoreData શ݅औಘ 12MB 65MB ෦෼Ұகݕࡧ 12MB 18MB ෦෼Ұகݕࡧʴιʔτ 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

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>() } ٌرٕذ٦ـٕ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; } ٌرٕذ٦ـٕ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،ٕغي׫גי 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،ؙإأׅ׷תדְַז׷ر٦ة׮⥂䭯׃זְ 㣐ꆀךر٦ة侧⼧ծ侧涰♰⟝ד׮넝鸞ח満ًٌٔד⸬桦״ֻ䪔ִ׷ 䗡䎿׃׋鹼䒀ٗ٦س

పఈͨ͠஗Ԇϩʔυ articles = realm.objects(Article).filter("user = %@", currentUser)

పఈͨ͠஗Ԇϩʔυ articles = realm.objects(Article) .filter("user = %@", currentUser)

పఈͨ͠஗Ԇϩʔυ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user =
%@", currentUser)

%@", currentUser) 3FTVMUT"SUJDMF 5BCMF"SUJDMF

%@", currentUser) 3FTVMUT"SUJDMF 5BCMF"SUJDMF 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS

పఈͨ͠஗Ԇϩʔυ let articles = allArticles.filter(“user = %@", currentUser) let count
= articles.count 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS 3FTVMUT"SUJDMF 5BCMF"SUJDMF 2VFSZVTFS $PVOU 7JFX

పఈͨ͠஗Ԇϩʔυ 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

పఈͨ͠஗Ԇϩʔυ 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،ؙإأדⴱ׭גر٦ة׾《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؎زꂁ⴨ծ傈➰ծ׉׃ג侧⦼㘗ך׫ ꂁ⴨װ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؟ـؙٓأדזֽ׸לז׵זְ 3FBMNؔـآؙؑزכ鹼䒀ٗ٦سך㹋植ך׋׭ծفٗؗءה׃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⟝חׅ׷ծ醱侧ךؕٓيךさ鎘⦼׾勴⟝ח ׅ׷זו 宕竲⻉ׁ׸גְזְ⦼׾嗚稊穠卓ה׃ג㼪⳿ׅ׷ 䚍ⴽָˏ'ˏה.ד⥂㶷ׁ׸גְ׷הֹծ׉׸׊׸׾侧⦼ח㢌䳔׃ג侧ִ ♳־׷זו ؙؒٔךⵖꣲ

J1IPOFזודכ֮׷玎䏝⟃♳ךؿ؋؎ٕ؟؎ؤחז׷הNNBQ ָ㣟侁ׅ׷ؿ؋؎ٕ׾ًٌٔחوحؾؚٝדֹזְ رغ؎أ⣛㶷׌ָծ׌ְ׋ְ.#։ 㼛勻涸חծًٌٔوحفך眔㔲׾ⴓⶴׅ׷ֿהד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

次世代MobileデータベースRealm

次世代MobileデータベースRealm

More Decks by Kishikawa Katsumi

Other Decks in Programming

Featured

Transcript