Realm使ってみた (SWWDC 仙台iPhoneとか開発者勉強会 その26)

2016/01/30 SWWDC 仙台iPhoneとか開発者勉強会 その26 - 新春ライトニングトーク大会 -

Transcript

1. 3FBMN࢖ͬͯΈͨ 
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   !UPUPUUJ
2. ಡΈํ͸ϨϧϜ
3. 3FBMN w NPCJMF޲͚ͷσʔλϕʔε
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   ະ֬ೝ ɾТɾA
4. ࢖ͬͯΈͨ w ʮઋ୆ϏʔϧϚοϓʯΞϓϦ
   w ళฮνΣοΫΠϯػೳ
5. Πϯετʔϧ w QPE
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   w QPE
   JOTUBMM
6. ςʔϒϧఆٛ w ΫϥεΛॻ͚ͩ͘ͰPL @interface Visit : RLMObject @property NSString* shopID; @property NSDate* visitDate; @property NSString* memo; @property NSData* imageData; @end 4XJGU
   
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   ŖAшŖ /4%BUF
   /4%BUB΋
   ͦͷ··Ϳͬ͜ΊΔ
7. JOTFSU
   
   EFMFUF RLMRealm *realm = [RLMRealm defaultRealm]; [realm beginWriteTransaction]; [realm addObject:visit]; [realm commitWriteTransaction]; RLMRealm *realm = [RLMRealm defaultRealm]; [realm beginWriteTransaction]; [realm deleteObject:visit]; [realm commitWriteTransaction];
8. VQEBUF w ࠓճ͸࢖Θͳ͔͕ͬͨʜ
   w ςʔϒϧʹϓϥΠϚϦΩʔΛࢦఆ͢Δ // addOrUpdateObjectͰupdate realm.beginWriteTransaction() realm.addOrUpdateObject(visit) realm.commitWriteTransaction()
9. 4FMFDU // શऔಘ RLMResults<Visit *> *visits = [Visit allObjects]; // શऔಘ + ιʔτ NSArray* sortProperties = @[[RLMSortDescriptor sortDescriptorWithProperty:@"visitDate" ascending:NO]]; RLMResults<Visit *> *visits = [[Visit allObjects] sortedResultsUsingDescriptors:sortProperties]; // ৚݅ࢦఆ NSPredicate *predicate = [NSPredicate predicateWithFormat:@"shopID = %@", shopID]; RLMResults<Visit *> *visits = [Visit objectsWithPredicate:predicate];
10. ͜Ε͸շదʜ
11. ·ͱΊ w ଎౓΋଎͍Β͍͠
    w ͱʹָ͔͘ɻ
    w ςʔϒϧ࡞੒
    w JOTFSU
    
    EFMFUF
    
    TFMFDU
    w খ͍͞σʔλͰ΋ɺQMJTUอଘ͢ΔΑΓ΋ָ