{"id":208,"date":"2016-05-26T17:39:41","date_gmt":"2016-05-26T08:39:41","guid":{"rendered":"http:\/\/kanehiro.exe.jp\/?p=208"},"modified":"2016-05-26T17:39:41","modified_gmt":"2016-05-26T08:39:41","slug":"realm%e3%81%af%e3%83%ac%e3%82%a2%e3%83%ab%e3%83%a0%e3%81%a7%e3%81%af%e3%81%aa%e3%81%8f%e3%80%81%e3%83%ac%e3%83%ab%e3%83%a0","status":"publish","type":"post","link":"https:\/\/kanehiro.exe.jp\/?p=208","title":{"rendered":"Realm\u306f\u30ec\u30a2\u30eb\u30e0\u3067\u306f\u306a\u304f\u3001\u30ec\u30eb\u30e0"},"content":{"rendered":"

\u5916\u56fd\u8a9e\u306e\u30ab\u30bf\u30ab\u30ca\u8aad\u307f\u3092\u8b70\u8ad6\u3059\u308b\u306e\u306f\u4e0d\u6bdb\u3060\u3068\u601d\u3046\u3051\u3069\u3001\u306a\u3093\u3066\u8aad\u3093\u3067\u3044\u3044\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u306e\u3082\u56f0\u308b\u306e\u3067\u3001Realm\u306f\u30ec\u30eb\u30e0\u3068\u8aad\u3080\u305d\u3046\u3067\u3059\u3002\uff08not \u30ec\u30a2\u30eb\u30e0\uff09
\nRealm\u306f\u3001SQLite\u3084CoreData\u306b\u7f6e\u304d\u63db\u308f\u308b\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3002
\nSQLite\u306eOR\u30de\u30c3\u30d1\u30fc\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u6ce8\u610f\u66f8\u304d\u3092\u4ed8\u3051\u305f\u304f\u306a\u308b\u307b\u3069\u4f7f\u3044\u3084\u3059\u3044\u3089\u3057\u3044\u3002
\n\u8a73\u3057\u3044\u8aac\u660e\u306f\u3053\u3061\u3089\u304b\u3089<\/a>\u3069\u3046\u305e\u3002<\/p>\n

\u4f7f\u3063\u3066\u307f\u305f\u611f\u60f3\u306f\u300c\u3082\u3046SQLite\u306b\u306f\u623b\u308c\u306a\u3044\u300d<\/strong>\u3067\u3059\u3002<\/p>\n

Java(Android)\u3067Realm\u3092\u4f7f\u3046\u7c21\u5358\u306a\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059\u3002
\nAndroid Studio\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001build.gradle\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002
\nbuild.gradle(Project)\u306b\u306fclasspath\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\r\n    dependencies {\r\n        classpath 'com.android.tools.build:gradle:2.1.0'\r\n        classpath "io.realm:realm-gradle-plugin:1.0.0"\t\/\/ \u8ffd\u8a18\uff08\u3064\u3044\u306b1.0.0!\uff09\r\n<\/pre>\n
build.gradle(Module)\u306b\u306fplugin\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\r\napply plugin: 'com.android.application'\r\napply plugin: 'realm-android'\t\t\/\/ \u8ffd\u8a18\r\n<\/pre>\n
\u305f\u3068\u3048\u3070\u3001\u4f55\u304b\u306e\u4f1a\u306e\u30e1\u30f3\u30d0\u30fc\u3092\u767b\u9332\u3057\u3066\u3001\u3042\u308b\u6761\u4ef6\u3067\u62bd\u51fa\u3057\u3066\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u51e6\u7406\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002
\n\u307e\u305a\u3001Member\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\r\npackage com.example.kanehiro.tryrealm;\r\n\r\nimport io.realm.RealmObject;\r\n\r\npublic class Member extends RealmObject {\r\n    private long id;\r\n    private String name;\r\n    private boolean admin;\r\n\r\n    public String getName() {\r\n        return name;\r\n    }\r\n\r\n    public void setName(String name) {\r\n        this.name = name;\r\n    }\r\n\r\n    public long getId() {\r\n        return id;\r\n    }\r\n\r\n    public void setId(long id) {\r\n        this.id = id;\r\n    }\r\n\r\n    public boolean getAdmin() {\r\n        return admin;\r\n    }\r\n\r\n    public void setAdmin(boolean admin) {\r\n        this.admin = admin;\r\n    }\r\n\r\n}\r\n<\/pre>\n
Member\u30af\u30e9\u30b9\u306b\u306f\u3001id\u3068\u540d\u524d\u3001\u305d\u3057\u3066admin\uff08\u7ba1\u7406\u8005\uff09\u304b\u3069\u3046\u306e\u304b\u30d6\u30fc\u30eb\u5024\uff08\u771f\u507d\u5024\uff09\u3092\u6301\u305f\u305b\u307e\u3059\u3002
\n\u305d\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306bgetter\u3068setter\u3092\u7528\u610f\u3057\u307e\u3059\u3002
\n\u6b21\u306b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n
\r\npackage com.example.kanehiro.tryrealm;\r\n\r\nimport android.os.AsyncTask;\r\nimport android.os.Bundle;\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.widget.TextView;\r\n\r\nimport io.realm.Realm;\r\nimport io.realm.RealmConfiguration;\r\nimport io.realm.RealmResults;\r\n\r\npublic class MainActivity extends AppCompatActivity {\r\n\r\n    private Realm realm;\r\n    private RealmConfiguration realmConfig;\r\n\r\n    @Override\r\n    protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n        setContentView(R.layout.activity_main);\r\n        \/\/ Create the Realm configuration\r\n        realmConfig = new RealmConfiguration.Builder(this).build();\r\n\r\n        new AsyncTask<Void, Void, String>() {\r\n            @Override\r\n            protected String doInBackground(Void... voids) {\r\n                String info;\r\n                memberWrite();\r\n                info = memberQuery(false);\r\n                memberDelete();\r\n                return info;\r\n            }\r\n\r\n            @Override\r\n            protected void onPostExecute(String result) {\r\n                TextView txt01 = (TextView)findViewById(R.id.txt01);\r\n                txt01.setText(result);\r\n            }\r\n        }.execute();\r\n\r\n    }\r\n    private void memberWrite() {\r\n\r\n        Realm realm = Realm.getInstance(realmConfig);\r\n\r\n        realm.executeTransaction(new Realm.Transaction() {\r\n            @Override\r\n            public void execute(Realm realm) {\r\n                for (int i = 0; i < 30; i++) {\r\n                    Member member = realm.createObject(Member.class);\r\n                    member.setId(i);\r\n                    member.setName("Member" + i);\r\n                    if ((i % 3) == 0){\r\n                        member.setAdmin(true);\r\n                    }\r\n                }\r\n            }\r\n        });\r\n        realm.close();\r\n    }\r\n    private String memberQuery(boolean admin) {\r\n\r\n        StringBuilder strBuild = new StringBuilder();\r\n        Realm realm = Realm.getInstance(realmConfig);\r\n        RealmResults<Member> results = realm.where(Member.class)\r\n                .equalTo("admin", admin).findAll();\r\n        for (Member m : results) {\r\n            strBuild.append(m.getId());\r\n            strBuild.append(",");\r\n            strBuild.append(m.getName());\r\n            strBuild.append("\\n");\r\n\r\n        }\r\n\r\n        realm.close();\r\n        return strBuild.toString();\r\n    }\r\n\r\n    private void memberDelete() {\r\n        Realm realm = Realm.getInstance(realmConfig);\r\n        realm.executeTransaction(new Realm.Transaction() {\r\n            @Override\r\n            public void execute(Realm realm) {\r\n                realm.delete(Member.class);\r\n            }\r\n        });\r\n        realm.close();\r\n    }\r\n}\r\n<\/pre>\n
onCreate\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002RealmConfiguration.Builder\u3067Realm configuration\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\n\u8ffd\u52a0\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u306e\u4ef6\u6570\u306f\u5c11\u306a\u3044\u3051\u3069\u3001AsyncTask\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u975e\u540c\u671f\u306b\u66f8\u304d\u8fbc\u307f\u3001\u8aad\u307f\u8fbc\u307f\u3001\u524a\u9664\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002
\n\u62bd\u51fa\u7d50\u679c\u306f\u30c6\u30ad\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u8868\u793a\u3057\u307e\u3059\u3002
\nmemberWrite\u30e1\u30bd\u30c3\u30c9\u3067Member\u3092\u66f8\u8fbc\u307f\u307e\u3059\u3002\u307e\u305a\u3001Realm.getInstance\u3067Realm\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002
\n\u66f8\u304d\u8fbc\u307f\uff08\u8ffd\u52a0\u3001\u5909\u66f4\u3001\u524a\u9664\uff09\u51e6\u7406\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002
\n\u3053\u3053\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002realm.executeTransaction\u306e\u90e8\u5206\u3067\u3059\u3002
\n\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306fexecuteTransaction\u30e1\u30bd\u30c3\u30c9\u3092\u629c\u3051\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002
\nmemberQuery()\u3067\u3001\u30af\u30a8\u30ea\u30fc\u3092\u767a\u884c\u3057\u3066\u3044\u307e\u3059\u3002where\u306b\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3001.equalTo\u306a\u3069\u3067\u691c\u7d22\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\u3053\u3053\u3067\u306fadmin\u304b\u3069\u3046\u304b\u304c\u691c\u7d22\u6761\u4ef6\u3067\u3059\u3002findAll()\u3067\u53d6\u5f97\u3057\u307e\u3059\u3002
\n\u6b21\u306b\u53d6\u5f97\u3057\u305f\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u30eb\u30fc\u30d7\u3057\u3066getter\u3067\u5024\u3092\u53d6\u5f97\u3057\u3001\u6587\u5b57\u5217\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002
\nmemberDelete()\u3067\u306f\u3001realm.delete(Member.class)\u3067\u5168\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u3002
\nadmin\u3058\u3083\u306a\u3044Member\u3092\u62bd\u51fa\u3057\u305f\u7d50\u679c\u304c\u6b21\u306e\u753b\u50cf\u3067\u3059\u3002
\n\"tryrealm\"\u5b9f\u884c\u7d50\u679c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u5916\u56fd\u8a9e\u306e\u30ab\u30bf\u30ab\u30ca\u8aad\u307f\u3092\u8b70\u8ad6\u3059\u308b\u306e\u306f\u4e0d\u6bdb\u3060\u3068\u601d\u3046\u3051\u3069\u3001\u306a\u3093\u3066\u8aad\u3093\u3067\u3044\u3044\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u306e\u3082\u56f0\u308b\u306e\u3067\u3001Realm\u306f\u30ec\u30eb\u30e0\u3068\u8aad\u3080\u305d\u3046\u3067\u3059\u3002\uff08not \u30ec\u30a2\u30eb\u30e0\uff09 Realm\u306f\u3001SQLite\u3084CoreData\u306b\u7f6e\u304d\u63db\u308f\u308b\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,14],"tags":[],"_links":{"self":[{"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=\/wp\/v2\/posts\/208"}],"collection":[{"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=208"}],"version-history":[{"count":0,"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=\/wp\/v2\/posts\/208\/revisions"}],"wp:attachment":[{"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kanehiro.exe.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}