Realm Japan Meetup #15 (Java) 

Makoto Yamazaki twitter: @zaki50 https://github.com/zaki50 Realm 

#realm_jp 

Recent Updates 

Realm Java 1.0.0 (was 0.88.3) 

Realm Java 0.89.0(ඇޓ׵ͳมߋ) w !1SJNBSZ,FZ͕҉໧తʹOVMMෆՄͰ͋ͬͨͷΛɺOVMMՄʹมߋ͠·ͨ͠ɻ
w +BWBతʹOVMM͕୅ೖͰ͖Δܕͷ৔߹͸!3FRVJSFEΛ෇͚Δ͔ϚΠάϨʔγϣϯͰ 3FBMN0CKFDU4DIFNBTFU/VMMBCMF ΛݺͿ͔ͷ͍ͣΕ͔͕ඞཁ  ɻ
w 3FBMN3FTVMUTTPSU ɺ3FBMN-JTUTPSU ͸ΦϒδΣΫτࣗ਎ͷιʔτΛมߋ͢ΔͷͰ͸ͳ͘ɺιʔτ͕ ࢦఆ͞Εͨ৽ͨͳΦϒδΣΫτΛฦ͠·͢ɻ
w 3FBMNSFGSFTI ͱ%ZOBNJD3FBMNSFGSFTI ͸-PPQFSεϨουͰ͸Կ΋ߦ͍·ͤΜɻଞͷεϨου Ͱͷมߋͷ൓ө͸ৗʹ࣍ͷΠϕϯτϧʔϓͰߦΘΕ·͢ɻ
w 3FBMN3FTVMUTDMFBS ͸6OTVQQPSUFE0QFSBUJPO&YDFQUJPOΛεϩʔ͠·͢ɻ 3FBMN3FTVMUTEFMFUF"MM'SPN3FBMN Λ࢖༻͍ͯͩ͘͠͞ɻ
w 3FBMN3FTVMUTSFNPWF JOU ͸6OTVQQPSUFE0QFSBUJPO&YDFQUJPOΛεϩʔ͠·͢ɻ 3FBMN3FTVMUTEFMFUF'SPN3FBMN JOU Λ࢖༻͍ͯͩ͘͠͞ɻ
w 3FBMN-JTU͕ۭͷ৔߹ɺ3FBMN-JTUpSTU ͱ3FBMN-JTUMBTU ͸"SSBZ*OEFY0VU0G#PVOET&YDFQUJPOΛεϩʔ ͠·͢ɻ
w ඇਪ঑ͱͳ͍ͬͯͨ3FBMNHFU5BCMF Λ࡟আ͠·ͨ͠ɻ 

Realm Java 0.89.0(৽ػೳ) w 3FBMN0CKFDUΛܧঝ͢ΔҎ֎ʹ΋ɺ3FBMN.PEFMΛ࣮૷͢Δํ๏ͰϞσ ϧΫϥεΛఆٛͰ͖ΔΑ͏ʹͳΓ·ͨ͠ɻ
w 3FBMN$PMMFDUJPOͱ0SEFSFE3FBMN$PMMFDUJPOΠϯλϑΣʔεΛಋೖ͠· ͨ͠ɻ3FBMN-JTUͱ3FBMN3FTVMUT͕࣮૷͍ͯ͠·͢ɻ
w 3FBMN#BTF"EBQUFS͸3FBMN3FTVMUTͰ͸ͳ͘0SEFSFE3FBMN$PMMFDUJPO Λѻ͏Α͏ʹͳΓ·ͨ͠ɻ
w 3FBMN0CKFDU4DIFNBJT1SJNBSZ,FZ 4USJOH ϝιουΛ௥Ճ͠·ͨ͠ɻ

w ॳظσʔλੜ੒༻ʹ3FBMN$POpHVSBUJPOJOJUJBM%BUB 3FBMN5SBOTBDUJPO ͕௥Ճ͞Ε·ͨ͠ɻ 

Realm Java 0.89.0(ඇਪ঑) w 3FBMN0CKFDUSFNPWF'SPN3FBMN
ˠ
EFMFUF'SPN3FBMN
w 3FBMNDMFBS $MBTT























ˠ
EFMFUF $MBTT 
w %ZOBNJD3FBMNDMFBS $MBTT










ˠ
EFMFUF $MBTT  

Realm Java 0.89.0(όάϑΟοΫε) w 3FBMN0CKFDU4DIFNBJT3FRVJSFE 4USJOH ͱ 3FBMN0CKFDU4DIFNBJT/VMMBCMF 4USJOH ʹଘࡏ͠ͳ͍ϑΟʔϧ υ໊Λ౉ͨ͠ࡍʹɺྫ֎͕εϩʔ͞Εͳ͍όάΛमਖ਼͠·ͨ͠ɻ 

Realm Java 0.89.1(όάϑΟοΫε) w !1SJNBSZ,FZͱ!3FRVJSFEΛ4USJOHܕͷϑΟʔϧυʹ෇༩͢Δ ͱɺDPQZ5P3FBMN ͱDPQZ5P3FBMN0S6QEBUF Ͱྫ֎͕εϩʔ ͞ΕΔόάΛमਖ਼͠·ͨ͠ɻ

w 3FBMN4DIFNBSFNPWF 3FBMN4DIFNBSFOBNF ΛݺΜͩࡍ ʹɺϓϥΠϚϦΩʔͷ৘ใ͕ߋ৽͞Εͳ͍όάΛमਖ਼͠·ͨ͠ɻ

w 3FBMN.PEFMΛ࣮૷ͨ͠Ϋϥε͕ؔ࿈Ͱ࢖༻Ͱ͖ͳ͍όάΛमਖ਼ ͠·ͨ͠ɻ  

Realm Java 0.90.0(ඇޓ׵ͳมߋ) w 3FBMN$IBOHF-JTUFOFSPO$IBOHF ͕ɺมߋ͞ΕͨΦϒδΣΫτΛҾ͖਺Ͱड͚औΔΑ͏ʹͳΓ ·ͨ͠ɻ 
w +40/ؔ࿈ͷϝιου͸ɺ+40/&YDFQUJPOͷΈΛ3FBMN&YDFQUJPOʹϥοϓ͠ɺͦΕҎ֎͸ͦͷ· ·εϩʔ͢ΔΑ͏ʹมߋ͞Ε·ͨ͠ɻ
w ܧঝ͞ΕΔ͜ͱΛҙਤ͍ͯ͠ͳ͍ΫϥεɺΦʔόʔϥΠυ͞ΕΔ͜ͱΛҙਤ͍ͯ͠ͳ͍ϝιουΛ ͢΂ͯpOBMʹ͠·ͨ͠ɻ 
w #BTF3FBMNΫϥεΛ"1*͔Β࡟আ͠·ͨ͠ɻ
w )BOEMFS$POUSPMMFSΫϥεΛ"1*͔Β࡟আ͠·ͨ͠ɻ
w 3FBMN"TZOD5BTLΫϥεͷίϯετϥΫλΛ"1*͔Β࡟আ͠·ͨ͠ɻ 
w 3FBMN#BTF"EBQUFSΛಠཱͨ͠ϥΠϒϥϦͰ഑෍͢ΔΑ͏ʹมߋ͠·ͨ͠ɻIUUQTHJUIVCDPN SFBMNSFBMNBOESPJEBEBQUFST
w 3FBM̼σʔλϕʔεϑΝΠϧͷϑΥʔϚοτ͕มߋ͞Ε͍ͯ·͢ɻม׵͸ॳճར༻࣌ʹࣗಈతʹߦ ΘΕ·͢ɻม׵ޙ͸ݹ͍όʔδϣϯͷ3FBMNͰ͸։͚·ͤΜɻ 

Realm Java 0.90.0(৽ػೳ) w %BUFܕͷϑΟʔϧυ͕ϛϦඵਫ਼౓Ͱѻ͑ΔΑ͏ʹͳΓ·ͨ͠ ಺෦తʹ͸φϊ ඵਫ਼౓ ɻ 

w ϓϥΠϚϦΩʔͷ஋Λࢦఆͯ͠ΦϒδΣΫτΛ࡞੒͢Δ 3FBMNDSFBUF0CKFDU $MBTT
0CKFDU
Λ௥Ճ͠·ͨ͠ɻ
w 3FBMNXBJU'PS$IBOHF TUPQ8BJU'PS$IBOHF ͱ %ZOBNJD3FBMNXBJU'PS$IBOHF TUPQ8BJU'PS$IBOHF Λಋೖ͠·͠ ͨɻ 

w 3FBMN0CKFDU4DIFNBHFU1SJNBSZ,FZ Λ௥Ճ͠·ͨ͠ɻ 
w ϚΠάϨʔγϣϯΦϒδΣΫτͷෆҰகʹΑΓ3FBMNΠϯελϯε͕औಘͰ͖ ͳ͍৔߹ʹɺFRVBMT ͱIBTI$PEF ͕ద੾ʹΦʔόʔϥΠυ͞Ε͍ͯͳ͍Մೳ ੑΛܯࠂ͢ΔΑ͏ʹ͠·ͨ͠ɻ 

Realm Java 0.90.0(ඇਪ঑) w 3FBMNBMM0CKFDUT














ˠ
XIFSF $MBTT pOE"MM
w 3FBMNEJTUJODU


















ˠ
XIFSF $MBTT EJTUJODU
w %ZOBNJD3FBMNBMM0CKFDUT

ˠ
XIFSF 4USJOH pOE"MM
w %ZOBNJD3FBMNEJTUJODU





ˠ
XIFSF 4USJOH EJTUJODU
w 3FBMNBMM0CKFDUT4PSUFE pFME
TPSU
pFME
TPSU
pFME
TPSU
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pOE"MM4PSUFE pFME<>
TPSU<>
w 3FBMN2VFSZpOE"MM4PSUFE pFME
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pOE"MM4PSUFE pFME<>
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w 3FBMN2VFSZpOE"MM4PSUFE"TZOD pFME
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pOE"MM4PSUFE"TZOD pFME<>
TPSU<>
w 3FBMN$POpHVSBUJPOTFU.PEVMFT
ˠNPEVMFT
w 3FBMNSFGSFTI
ˠ
XBJU'PS$IBOHF TUPQ8BJU'PS$IBOHF
w %ZOBNJD3FBMNSFGSFTI
ˠ
XBJU'PS$IBOHF TUPQ8BJU'PS$IBOHF 

Realm Java 0.90.0(όάϑΟοΫε) w DPQZ5P3FBMN0S6QEBUF ͕ฦ͢ΦϒδΣΫτʹηοτͨ͠ 3FBMN$IBOHF-JTUFOFS͕ݺ͹Εͳ͍όάΛमਖ਼͠·ͨ͠ɻ  

Realm Java 0.90.1(όάϑΟοΫε) w 3FBMNͷΦʔϓϯͱΫϩʔζ͕ڝ߹͢ΔόάΛमਖ਼͠·ͨ͠ɻ
w ϑΝΠϧϑΥʔϚοτߋ৽͕ಛఆͷঢ়گͰΫϥογϡ͢ΔόάΛ मਖ਼͠·ͨ͠ɻ
w ඇಉظܥͷ"1*࢖༻࣌ʹڝ߹͕ൃੜ͢ΔόάΛमਖ਼͠·ͨ͠ɻ 
w BOESPJEKBSʹؚ·ΕΔΫϥε΍ΞϊςʔγϣϯΛ࢖༻͍ͯ͠ΔΫ ϥεͰ$BOOPU$PNQJMF&YDFQUJPO͕ൃੜ͢ΔόάΛमਖ਼͠·͠ ͨɻ  

Realm Java 0.91.0(ඇޓ׵ͳมߋ) w ඇਪ঑ͱͳ͍ͬͯͨ͢΂ͯͷ"1*Λ࡟আ͠·ͨ͠ɻ
w ඇ-PPQFSεϨουͰ3FBMNTFU"VUP3FGSFTI ΍ %ZOBNJD3FBMNTFU"VUP3FGSFTI Λݺͼग़ͨ͠৔߹ɺҾ͖਺ ͕GBMTFͰ͋ͬͯ΋*MMFHBM4UBUF&YDFQUJPOΛεϩʔ͢ΔΑ͏ʹ͠ ·ͨ͠ɻ  

Realm Java 0.91.0(৽ػೳ) w 0QFO44-ΛUʹߋ৽͠·ͨ͠ɻ IUUQT TVQQPSUHPPHMFDPNGBRTBOTXFS
 
w 3FBMN$POpHVSBUJPO#VJMEFSBTTFU'JMF Λ௥Ճ͠·ͨ͠ɻॳظ σʔλϕʔεϑΝΠϧΛBTTFUT͔Βίϐʔ͠·͢ɻ 

Realm Java 0.91.0(όάϑΟοΫε) w ࡟আࡁΈͷΦϒδΣΫτΛؚΉ3FBMN3FTVMUTʹରͯ͠ EFMFUF"MM'SPN3FBMN ΛݺͿͱΫϥογϡ͢ΔόάΛमਖ਼͠·͠ ͨɻ  
w 3FBMNBEE$IBOHF-JTUFOFS ͱ3FBMNSFNPWF$IBOHF-JTUFOFS ʹOVMMΛ౉ͨ͠ࡍʹྫ֎Λεϩʔ͢ΔΑ͏ʹ͠·ͨ͠ɻ 
w 3FBMN0CKFDU4DIFNBBEE1SJNBSZ,FZ SFNPWF1SJNBSZ,FZ Ͱɺ ซͤͯΠϯσοΫεͷॲཧ΋ߦ͏Α͏ʹ͠·ͨ͠ɻ 
w 3FBMNEFMFUF3FBMN Ͱɺؔ࿈ϑΝΠϧ͕࡟আ͞Εͣʹ࢒ͬͯ͠· ͏όάΛमਖ਼͠·ͨ͠ɻ  

Realm Java 0.91.1(όάϑΟοΫε) w 3FBMNͷΦʔϓϯʹࣦഊͨ͠ࡍʹɺෆਖ਼ͳϝϞϦϚϓ͕࢒ͬͯ͠ ·͍Τϥʔ͕ൃੜ͢ΔόάΛमਖ਼͠·ͨ͠ɻ 

Realm Java 1.0.0 w /P
DIBOHFT
TJODF
 

waitForChange() 
ଞͷεϨουͰมߋ͕DPNNJU͞ΕΔ·ͰϒϩοΫ͠·͢ɻ

-PPQFSεϨουͰ͸࢖͑·ͤΜɻ
CPPMFBO
VQEBUFE

SFBMNXBJU'PS$IBOHF 
JG
VQEBUFE
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ԿΒ͔ͷߋ৽͕͋Γɺ3FBMN0CKFDU౳͕ߋ৽͞Εͨ࣌ͷॲཧ
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TUPQ8BJU'PS$IBOHF ͰΩϟϯηϧ͞Εͨ࣌ͷॲཧ
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RealmObjectܧঝറΓͷഇࢭ w 3FBMN.PEFM
JOUFSGBDFΛ࣮૷͢Δ͜ͱ΋ڐ͞ΕΔ
w !3FBMN$MBTTΞϊςʔγϣϯ΋ඞཁ
w PCKJT7BMJE

3FBMN0CKFDUJT7BMJE PCK 

RealmObjectܧঝറΓͷഇࢭ !3FBMN$MBTT
QVCMJD
DMBTT
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QSJWBUF
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SFUVSO
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UIJTOBNF

OBNF




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bit.ly/RealmJP_15 ୹͍Ξϯέʔτʹ͝ڠྗ͍ͩ͘͞ 

Where to find us • " Realm Japan User Group: facebook.com/groups/realmjp • " Twitter: twitter.com/realmJapan • GitHub: github.com/realm • " StackOverflow: ja.stackoverflow.com/questions/tagged/realm • " Email: [email protected] • " Slack: slack.realm.io/ 

Realm Japan User Group " facebook.com/groups/realmjp 

Public Realm Slack " slack.realm.io/ 

Official Twitter/Facebook twitter.com/realmJapan facebook.com/655569387879379 

Official Web site realm.io/jp