@react-native-ohos/realm/dist/public-types/Results.d.ts

Realm by MongoDB is an offline-first mobile database: an alternative to SQLite and key-value stores

import { OrderedCollection } from "./OrderedCollection";
import { type SubscriptionOptions } from "./app-services/MutableSubscriptionSet";
import type { Unmanaged } from "./Unmanaged";
/**
 * Instances of this class are typically **live** collections returned by
 * objects() that will update as new objects are either
 * added to or deleted from the Realm that match the underlying query. Results returned by
 * snapshot()}, however, will **not** live update
 * (and listener callbacks added through addListener()
 * will thus never be called).
 * @see https://www.mongodb.com/docs/realm/sdk/react-native/model-data/data-types/collections/
 */
export declare class Results<T = unknown> extends OrderedCollection<T, [
    number,
    T
]> {
    get length(): number;
    set length(value: number);
    description(): string;
    /**
     * Bulk update objects in the collection.
     * @param propertyName - The name of the property.
     * @param value - The updated property value.
     * @throws An {@link Error} if no property with the name exists.
     * @since 2.0.0
     */
    update(propertyName: keyof Unmanaged<T>, value: Unmanaged<T>[typeof propertyName]): void;
    /**
     * Add this query result to the set of active subscriptions. The query will be joined
     * via an `OR` operator with any existing queries for the same type.
     * @param options - Options to use when adding this subscription (e.g. a name or wait behavior).
     * @returns A promise that resolves to this {@link Results} instance.
     * @experimental This API is experimental and may change or be removed.
     */
    subscribe(options?: SubscriptionOptions): Promise<this>;
    /**
     * Unsubscribe from this query result. It returns immediately without waiting
     * for synchronization.
     *
     * If the subscription is unnamed, the subscription matching the query will
     * be removed.
     * @experimental This API is experimental and may change or be removed.
     */
    unsubscribe(): void;
    /**
     * Checks if this results collection has not been deleted and is part of a valid Realm.
     * @returns `true` if the collection can be safely accessed.
     */
    isValid(): boolean;
    /**
     * Checks if this collection result is empty.
     * @returns `true` if the collection result is empty, `false` if not.
     */
    isEmpty(): boolean;
}
export type AnyResults = Results<any>;
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