io.realm.DynamicRealmObject Java Examples

private static void changeFieldType(RealmObjectSchema objectSchema, String fieldName,
                             Class newType, @Nullable FieldAttribute attribute,
                             Action3<DynamicRealmObject, String, String> transformation) {
    String tempFieldName = fieldName + "_temp";
    if (attribute != null) {
        if (attribute == FieldAttribute.PRIMARY_KEY && objectSchema.hasPrimaryKey()) {
            // remove existing primary key
            objectSchema.removePrimaryKey();
        }
        objectSchema.addField(tempFieldName, newType, attribute);
    } else {
        objectSchema.addField(tempFieldName, newType);
    }
    objectSchema
            .transform(obj -> {
                transformation.call(obj, fieldName, tempFieldName);
            })
            .removeField(fieldName)
            .renameField(tempFieldName, fieldName);
}
 

@Override
public BarEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (dynamicObject.getFieldType(mYValuesField) == RealmFieldType.LIST) {

        RealmList<DynamicRealmObject> list = dynamicObject.getList(mYValuesField);
        float[] values = new float[list.size()];

        int i = 0;
        for (DynamicRealmObject o : list) {
            values[i] = o.getFloat(mStackValueFieldName);
            i++;
        }

        return new BarEntry(
                mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField), values);
    } else {
        float value = dynamicObject.getFloat(mYValuesField);
        return new BarEntry(mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField), value);
    }
}
 

@Override
public BarEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (dynamicObject.getFieldType(mValuesField) == RealmFieldType.LIST) {

        RealmList<DynamicRealmObject> list = dynamicObject.getList(mValuesField);
        float[] values = new float[list.size()];

        int i = 0;
        for (DynamicRealmObject o : list) {
            values[i] = o.getFloat(mStackValueFieldName);
            i++;
        }

        return new BarEntry(values,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    } else {
        float value = dynamicObject.getFloat(mValuesField);
        return new BarEntry(value,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    }
}
 

@Override
public BarEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (dynamicObject.getFieldType(mValuesField) == RealmFieldType.LIST) {

        RealmList<DynamicRealmObject> list = dynamicObject.getList(mValuesField);
        float[] values = new float[list.size()];

        int i = 0;
        for (DynamicRealmObject o : list) {
            values[i] = o.getFloat(mStackValueFieldName);
            i++;
        }

        return new BarEntry(values,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    } else {
        float value = dynamicObject.getFloat(mValuesField);
        return new BarEntry(value,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    }
}
 

@Override
public void apply(DynamicRealmObject obj) {
    // set timezone offset value
    long date = obj.getLong("date");
    Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("Europe/Berlin"));
    cal.set(2017, Calendar.JANUARY, 30, 0, 0, 0);
    TimeZone timeZone; // the timezone during data aquisition was not saved before schema version 2, so we have to guess the correct value for old data
    if (date < cal.getTime().getTime()) { // before 30.01.2017 the only existing app installation was exclusively used in germany...
        timeZone = TimeZone.getTimeZone("Europe/Berlin");
    } else {
        timeZone = TimeZone.getDefault(); // after that, use the device's current timezone
    }
    int timezoneOffsetInMinutes = timeZone.getOffset(date) / 1000 / 60;
    obj.set("timezoneOffsetInMinutes", timezoneOffsetInMinutes);
}
 

@Override
public void build(RealmResults<T> results) {

    for (T realmObject : results) {

        DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

        try { // normal entry

            float value = dynamicObject.getFloat(mValuesField);
            mValues.add(new BarEntry(value, dynamicObject.getInt(mIndexField)));

        } catch (IllegalArgumentException e) { // stacked entry

            RealmList<DynamicRealmObject> list = dynamicObject.getList(mValuesField);
            float[] values = new float[list.size()];

            int i = 0;
            for (DynamicRealmObject o : list) {
                values[i] = o.getFloat(mStackValueFieldName);
                i++;
            }

            mValues.add(new BarEntry(values, dynamicObject.getInt(mIndexField)));
        }
    }

    calcStackSize();
}
 

@Override
public BubbleEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new BubbleEntry(
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField),
            dynamicObject.getFloat(mValuesField),
            dynamicObject.getFloat(mSizeField));
}
 

public CandleEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new CandleEntry(
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField),
            dynamicObject.getFloat(mHighField),
            dynamicObject.getFloat(mLowField),
            dynamicObject.getFloat(mOpenField),
            dynamicObject.getFloat(mCloseField));
}
 

@Override
public PieEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (mLabelField == null) {
        return new PieEntry(dynamicObject.getFloat(mYValuesField));
    } else {
        return new PieEntry(dynamicObject.getFloat(mYValuesField), dynamicObject.getString(mLabelField));
    }
}
 

@Override
public BubbleEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new BubbleEntry(
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField),
            dynamicObject.getFloat(mValuesField),
            dynamicObject.getFloat(mSizeField));
}
 

public CandleEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new CandleEntry(
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField),
            dynamicObject.getFloat(mHighField),
            dynamicObject.getFloat(mLowField),
            dynamicObject.getFloat(mOpenField),
            dynamicObject.getFloat(mCloseField));
}
 

@Override
public CandleEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new CandleEntry(
            mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField),
            dynamicObject.getFloat(mHighField),
            dynamicObject.getFloat(mLowField),
            dynamicObject.getFloat(mOpenField),
            dynamicObject.getFloat(mCloseField));
}
 

@Override
public BubbleEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return new BubbleEntry(
            mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField),
            dynamicObject.getFloat(mYValuesField),
            dynamicObject.getFloat(mSizeField));
}
 

@Override
public void migrate(DynamicRealm realm, long oldVersion, long newVersion) {
    RealmSchema schema = realm.getSchema();
    Crashlytics.log(Log.INFO, TAG, "MIGRATING DATABASE from v" + oldVersion + " to v" + newVersion);

    if (oldVersion == 0) {
        if (schema.get("Post").isNullable("slug")) {
            // get rid of null-valued slugs, if any exist
            RealmResults<DynamicRealmObject> postsWithNullSlug = realm
                    .where(Post.class.getSimpleName())
                    .isNull("slug")
                    .findAll();
            Crashlytics.log(Log.DEBUG, TAG, "CONVERTING " + postsWithNullSlug.size() + " SLUGS FROM NULL TO \"\"");
            for (DynamicRealmObject obj : postsWithNullSlug) {
                obj.setString("slug", "");
            }
            // finally, make the field required
            schema.get("Post").setNullable("slug", false);
        }

        schema.get("Post")
                .setNullable("html", true)
                .setNullable("image", true)
                .setNullable("createdAt", true)
                .setNullable("publishedAt", true)
                .setNullable("metaTitle", true)
                .setNullable("metaDescription", true);
        schema.get("User")
                .addIndex("id")
                .setNullable("image", true)
                .setNullable("bio", true);
        schema.get("Tag")
                .setNullable("slug", true)
                .setNullable("description", true)
                .setNullable("image", true)
                .setNullable("metaTitle", true)
                .setNullable("metaDescription", true)
                .setNullable("createdAt", true)
                .setNullable("updatedAt", true);
        schema.get("Setting")
                .addIndex("id");
        ++oldVersion;
    }

    if (oldVersion == 1) {
        // delete all etags, so the info can be fetched and stored
        // again, with role-based permissions enforced
        RealmResults<DynamicRealmObject> allEtags = realm
                .where(ETag.class.getSimpleName())
                .equalTo("type", ETag.TYPE_CURRENT_USER)
                .or()
                .equalTo("type", ETag.TYPE_ALL_POSTS)
                .findAll();
        Crashlytics.log(Log.DEBUG, TAG, "DELETING ALL ETAGS TO REFRESH DATA COMPLETELY");
        allEtags.deleteAllFromRealm();

        if (!schema.contains("Role")) {
            // create the Role table
            Crashlytics.log(Log.DEBUG, TAG, "CREATING ROLE TABLE");
            schema.create("Role")
                    .addField("id", Integer.class, FieldAttribute.PRIMARY_KEY)
                    .addField("uuid", String.class, FieldAttribute.REQUIRED)
                    .addField("name", String.class, FieldAttribute.REQUIRED)
                    .addField("description", String.class, FieldAttribute.REQUIRED);
        }

        if (!schema.get("User").hasField("roles")) {
            Crashlytics.log(Log.DEBUG, TAG, "ADDING ROLES FIELD TO USER TABLE");
            schema.get("User").addRealmListField("roles", schema.get("Role"));
        }
        ++oldVersion;
    }

    if (oldVersion == 2) {
        if (!schema.get("Post").hasField("conflictState")) {
            Crashlytics.log(Log.DEBUG, TAG, "ADDING CONFLICT STATE FIELD TO POST TABLE");
            schema.get("Post").addField("conflictState", String.class, FieldAttribute.REQUIRED);
        }
        ++oldVersion;
    }

    if (oldVersion == 3) {
        // Ghost 1.0 upgrade, drop all data
        Crashlytics.log(Log.WARN, TAG, "DROPPING ALL DATA");
        final SpectreApplication app = SpectreApplication.getInstance();
        app.setOldRealmSchemaVersion(3);

        // clear logged in state
        AppState.getInstance(app).setBoolean(AppState.Key.LOGGED_IN, false);
        UserPrefs.getInstance(app).clear(UserPrefs.Key.EMAIL);
        UserPrefs.getInstance(app).clear(UserPrefs.Key.PASSWORD);
        UserPrefs.getInstance(app).clear(UserPrefs.Key.PERMALINK_FORMAT);

        ++oldVersion;
    }

    // STARTING FROM V4, THE REALM THAT USED TO STORE THE BLOG DATA NOW
    // ONLY STORES THE *METADATA* FOR ALL CONNECTED BLOGS
}
 

@Override
public RadarEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);
    return new RadarEntry(dynamicObject.getFloat(mYValuesField));
}
 

public S buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return (S) new Entry(mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField), dynamicObject.getFloat(mYValuesField));
}
 

public S buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return (S)new Entry(dynamicObject.getFloat(mValuesField),
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
}
 

public S buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    return (S)new Entry(dynamicObject.getFloat(mValuesField),
            mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
}
 

/**
 * Transforms the given Realm-ResultSet into a String array by using the provided xValuesField.
 *
 * @param result
 * @param xValuesField
 * @return
 */
public static List<String> toXVals(RealmResults<? extends RealmObject> result, String xValuesField) {

    List<String> xVals = new ArrayList<String>();

    for (RealmObject object : result) {

        DynamicRealmObject dynamicObject = new DynamicRealmObject(object);
        xVals.add(dynamicObject.getString(xValuesField));
    }

    return xVals;
}
 

/**
 * Transforms the given Realm-ResultSet into a String array by using the provided xValuesField.
 *
 * @param result
 * @param xValuesField
 * @return
 */
public static List<String> toXVals(RealmResults<? extends RealmObject> result, String xValuesField) {

    List<String> xVals = new ArrayList<String>();

    for (RealmObject object : result) {

        DynamicRealmObject dynamicObject = new DynamicRealmObject(object);
        xVals.add(dynamicObject.getString(xValuesField));
    }

    return xVals;
}
 

/**
 * Transforms the given Realm-ResultSet into a String array by using the provided xValuesField.
 *
 * @param result
 * @param xValuesField
 * @return
 */
public static List<String> toXVals(RealmResults<? extends RealmObject> result, String xValuesField) {

    List<String> xVals = new ArrayList<>();

    for (RealmObject object : result) {

        DynamicRealmObject dynamicObject = new DynamicRealmObject(object);
        xVals.add(dynamicObject.getString(xValuesField));
    }

    return xVals;
}