Definir um modelo de objeto real - React Native SDK

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class Task extends Realm.Object {
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  static schema = {
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    name: 'Task',
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    properties: {
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      _id: 'int',
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      name: 'string',
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      priority: 'int?',
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      progressMinutes: 'int?',
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      assignee: 'Person?',
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    },
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    primaryKey: '_id',
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  };
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}

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class Task extends Realm.Object<Task> {
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  _id!: number;
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  name!: string;
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  priority?: number;
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  progressMinutes?: number;
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  assignee?: Person;
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  age?: number;
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  static schema: ObjectSchema = {
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    name: 'Task',
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    properties: {
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      _id: 'int',
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      name: 'string',
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      priority: 'int?',
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      progressMinutes: 'int',
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      assignee: 'Person?',
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    },
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    primaryKey: '_id',
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  };
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}

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class Book extends Realm.Object {
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  static schema = {
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    name: 'Book',
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    properties: {
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      name: {type: 'string', indexed: true},
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      price: 'int?',
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    },
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  };
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}

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class Book extends Realm.Object<Book> {
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  name!: string;
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  price?: number;
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  static schema: ObjectSchema = {
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    name: 'Book',
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    properties: {
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      name: {type: 'string', indexed: true},
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      price: 'int?',
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    },
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  };
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}

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class Car extends Realm.Object {
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  static schema = {
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    name: 'Car',
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    properties: {
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      make: 'string',
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      model: 'string',
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      miles: {type: 'int', default: 0},
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      timestamp: {
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        type: 'int',
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        default: () => Math.round(new Date().getTime() / 1000),
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      },
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    },
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  };
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}

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class Car extends Realm.Object {
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  make!: string;
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  model!: string;
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  miles: number = 0;
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  timestamp: number = Math.round(new Date().getTime() / 1000);
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  static schema: ObjectSchema = {
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    name: 'Car',
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    properties: {
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      make: 'string',
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      model: 'string',
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      miles: {type: 'int', default: 0},
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      timestamp: {
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        type: 'int',
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        default: () => Math.round(new Date().getTime() / 1000),
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      },
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    },
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  };
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}

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class Employee extends Realm.Object {
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  static schema = {
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    name: 'Employee',
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    properties: {
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      _id: 'string',
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      first_name: {type: 'string', mapTo: 'firstName'},
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    },
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    primaryKey: '_id',
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  };
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}

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class Employee extends Realm.Object {
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  _id!: string;
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  first_name!: string;
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  static schema: ObjectSchema = {
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    name: 'Employee',
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    properties: {
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      _id: 'string',
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      first_name: {type: 'string', mapTo: 'firstName'},
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    },
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    primaryKey: '_id',
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  };
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}

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',
    },
  };
}