Define a Realm Object Model - React Native SDK

1
class Task extends Realm.Object {
2
  static schema = {
3
    name: 'Task',
4
    properties: {
5
      _id: 'int',
6
      name: 'string',
7
      priority: 'int?',
8
      progressMinutes: 'int?',
9
      assignee: 'Person?',
10
    },
11
    primaryKey: '_id',
12
  };
13
}

1
class Task extends Realm.Object<Task> {
2
  _id!: number;
3
  name!: string;
4
  priority?: number;
5
  progressMinutes?: number;
6
  assignee?: Person;
7
  age?: number;
8
9
  static schema: ObjectSchema = {
10
    name: 'Task',
11
    properties: {
12
      _id: 'int',
13
      name: 'string',
14
      priority: 'int?',
15
      progressMinutes: 'int',
16
      assignee: 'Person?',
17
    },
18
    primaryKey: '_id',
19
  };
20
}

1
class Book extends Realm.Object {
2
  static schema = {
3
    name: 'Book',
4
    properties: {
5
      name: {type: 'string', indexed: true},
6
      price: 'int?',
7
    },
8
  };
9
}

1
class Book extends Realm.Object<Book> {
2
  name!: string;
3
  price?: number;
4
5
  static schema: ObjectSchema = {
6
    name: 'Book',
7
    properties: {
8
      name: {type: 'string', indexed: true},
9
      price: 'int?',
10
    },
11
  };
12
}

1
class Car extends Realm.Object {
2
  static schema = {
3
    name: 'Car',
4
    properties: {
5
      make: 'string',
6
      model: 'string',
7
      miles: {type: 'int', default: 0},
8
      timestamp: {
9
        type: 'int',
10
        default: () => Math.round(new Date().getTime() / 1000),
11
      },
12
    },
13
  };
14
}

1
class Car extends Realm.Object {
2
  make!: string;
3
  model!: string;
4
  miles: number = 0;
5
  timestamp: number = Math.round(new Date().getTime() / 1000);
6
7
  static schema: ObjectSchema = {
8
    name: 'Car',
9
    properties: {
10
      make: 'string',
11
      model: 'string',
12
      miles: {type: 'int', default: 0},
13
      timestamp: {
14
        type: 'int',
15
        default: () => Math.round(new Date().getTime() / 1000),
16
      },
17
    },
18
  };
19
}

1
class Employee extends Realm.Object {
2
  static schema = {
3
    name: 'Employee',
4
    properties: {
5
      _id: 'string',
6
      first_name: {type: 'string', mapTo: 'firstName'},
7
    },
8
    primaryKey: '_id',
9
  };
10
}

1
class Employee extends Realm.Object {
2
  _id!: string;
3
  first_name!: string;
4
5
  static schema: ObjectSchema = {
6
    name: 'Employee',
7
    properties: {
8
      _id: 'string',
9
      first_name: {type: 'string', mapTo: 'firstName'},
10
    },
11
    primaryKey: '_id',
12
  };
13
}

class WeatherSensor extends Realm.Object {
  static schema = {
    name: 'WeatherSensor',
    // sync WeatherSensor objects one way from your device
    // to your Atlas database.
    asymmetric: true,
    primaryKey: '_id',
    properties: {
      _id: 'objectId',
      deviceId: 'string',
      temperatureInFahrenheit: 'int',
      barometricPressureInHg: 'float',
      windSpeedInMph: 'float',
    },
  };
}

class WeatherSensor extends Realm.Object<WeatherSensor> {
  _id!: Realm.BSON.ObjectId;
  deviceId!: string;
  temperatureInFahrenheit!: number;
  barometricPressureInHg!: number;
  windSpeedInMph!: number;
  static schema: ObjectSchema = {
    name: 'WeatherSensor',
    // sync WeatherSensor objects one way from your device
    // to your Atlas database.
    asymmetric: true,
    primaryKey: '_id',
    properties: {
      _id: 'objectId',
      deviceId: 'string',
      temperatureInFahrenheit: 'int',
      barometricPressureInHg: 'float',
      windSpeedInMph: 'float',
    },
  };
}