{"id":3714,"date":"2021-11-02T10:10:54","date_gmt":"2021-11-02T01:10:54","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=3714"},"modified":"2021-11-06T20:26:04","modified_gmt":"2021-11-06T11:26:04","slug":"rxjava-sqlite-with-room","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=3714","title":{"rendered":"RxJava Sqlite with Room"},"content":{"rendered":"

RxJava Sqlite with Room<\/h1>\n

\ucc38\uc870<\/a><\/p>\n

\ucc38\uc870<\/a><\/p>\n

\uc758\uc874\uc131 \ucd94\uac00<\/h2>\n

2021-11-02 \uc77c\uc790 \uae30\uc900\uc73c\ub85c Room \uc740 2.3.0 \uc774 \uc548\uc804\ud654 \ubc84\uc804\uc774\ub2e4.<\/p>\n

dependencies {\n    implementation 'io.reactivex.rxjava2:rxjava:2.2.21'\n    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'\n    implementation "androidx.room:room-rxjava2:2.3.0"\n    implementation "androidx.room:room-runtime:2.3.0"\n    annotationProcessor "androidx.room:room-compiler:2.3.0"\n\n    \/\/ LocalDateTime \ubc31\ud3ec\ud2b8 \ubc84\uc804\n    implementation 'com.jakewharton.threetenabp:threetenabp:1.3.0'\n}<\/code><\/pre>\n
Entity \uc0dd\uc131<\/h2>\n
Room \uc740 String Boot JPA \uc640 \uc720\uc0ac\ud55c \ud615\uc2dd\uc778\ub4ef(?)<\/p>\n
LocalDateTime<\/code> \uc744 sqlite \uc5d0\uc11c \ucc98\ub9ac\ub97c \ubabb\ud558\uae30\uc5d0, \uc2a4\ud2b8\ub9c1\uc73c\ub85c \ubcc0\ud658\ud574 \uc900\ub2e4.<\/p>\n
import \uac00 org.threeten.bp.LocalDateTime \uc774\ub2e4.
\n(\uc65c \ub72c\uae08\uc5c6\uc774 \uc774\uc0c1\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac \uc4f8\uae4c \uad81\uae08\ud558\uc2dc\uba74 \uc548\uc4f0\uc2dc\uba74 \uc774\uc720\ub97c \uc54c\uac8c\ub429\ub2c8\ub2e4.)<\/p>\n
import org.threeten.bp.LocalDateTime;\n\npublic class LocalDateTimeConverter {\n\n    @TypeConverter\n    public static LocalDateTime toDate(String dateString) {\n        if (dateString == null) {\n            return null;\n        } else {\n            return LocalDateTime.parse(dateString);\n        }\n    }\n\n    @TypeConverter\n    public static String toDateString(LocalDateTime date) {\n        if (date == null) {\n            return null;\n        } else {\n            return date.toString();\n        }\n    }\n}<\/code><\/pre>\n
import \uac00 org.threeten.bp.LocalDateTime \uc774\ub2e4.<\/p>\n
@Entity(tableName = "tbl_favorite_folder", indices = {@Index(value = {"id"}, unique = true)})\npublic class FavoriteFolder {\n\n    @PrimaryKey(autoGenerate = true)\n    int id;\n\n    @ColumnInfo(name = "name")\n    String name;\n\n    @ColumnInfo(name = "status")\n    String status;\n\n    @ColumnInfo(name = "display_order")\n    int displayOrder;\n\n    @ColumnInfo(name = "modify_time")\n    @TypeConverters({LocalDateTimeConverter.class})\n    LocalDateTime modifyTime;\n\n    @ColumnInfo(name = "insert_time")\n    @TypeConverters({LocalDateTimeConverter.class})\n    LocalDateTime insertTime;\n\n    public FavoriteFolder(String name, String status, int displayOrder) {\n        this.name = name;\n        this.status = status;\n        this.displayOrder = displayOrder;\n        if (id == 0) {\n            insertTime = LocalDateTime.now();\n        }\n        modifyTime = LocalDateTime.now();\n    }\n\n    \/\/ Getter() and Setter()\n}<\/code><\/pre>\n
Dao \uc0dd\uc131<\/h2>\n
Flowable<\/code> \uc740 Observable<\/code> \uc758 \ubcc0\ud615\uc73c\ub85c,
\nDB \uc5d0\uc11c\uc758 \ub370\uc774\ud0c0\uac00 \ub9ce\uc740 \uacbd\uc6b0 \uc77c\uc815\ub7c9\uc529 \uc798\ub77c\uc11c \uc21c\ucc28\uc801\uc73c\ub85c \ubcf4\ub0b4\uc8fc\ub294 \uae30\ub2a5\uc774\ub2e4.<\/p>\n
\uad6c\ud604 \ubcf5\uc7a1\ub3c4\uac00 \uc62c\ub77c\uac00\ub2c8 Single<List<FavoriteFolder>><\/code> \ub85c \ubc14\uafb8\uace0,
\nDao \ucabd\uc5d0\uc11c \ud398\uc774\uc9d5 \uae30\ub2a5\uc744 \ub123\ub294 \uac83\uc774 \ub0ab\ub2e4.<\/p>\n
Completable<\/code> \uc740 Observable<\/code> \uc758 \ubcc0\ud615\uc73c\ub85c, Response \uac00 \uc5c6\uc744\ub54c \uc4f0\uc778\ub2e4.<\/p>\n
Single<\/code> \ub3c4 Observable<\/code> \uc758 \ubcc0\ud615\uc778\ub370, Query \uc758 \uc885\ub958\uc5d0 \ub530\ub77c \ub9ac\ud134\uac12\uc774 \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n