Class Query

packages/firebase-database/index.android.ts:146–345

}

export class Query implements IQuery {
	_native: com.google.firebase.database.Query;
	static fromNative(query: com.google.firebase.database.Query) {
		if (query instanceof com.google.firebase.database.Query) {
			const q = new Query();
			q._native = query;
			return q;
		}
		return null;
	}

	get native() {
		return this._native;
	}
	get android() {
		return this.native;
	}

	get ref(): Reference {
		return Reference.fromNative(this.native.getRef());
	}

	endAt(value: string | number | boolean, key?: string): Query {
		if (key) {
			return Query.fromNative(this.native.endAt(value as any, key as any));
		} else {
			return Query.fromNative(this.native.endAt(value as any));
		}
	}
	equalTo(value: string | number | boolean, key?: string): Query {
		if (key) {
			return Query.fromNative(this.native.equalTo(value as any, key));
		} else {
			return Query.fromNative(this.native.equalTo(value as any));
		}
	}
	keepSynced(bool: boolean) {
		this.native?.keepSynced?.(bool);
	}
	limitToFirst(limit: number): Query {
		return Query.fromNative(this.native.limitToFirst(limit));
	}
	limitToLast(limit: number): Query {
		return Query.fromNative(this.native.limitToLast(limit));
	}
	off(eventType?: EventType, callback?: (a: DataSnapshot, b: string) => void, context?: Record<string, any>): void {
		const handle = callback?.['__fbHandle'];
		const event = callback?.['__fbEventType'];
		if (handle && event === eventType) {
			if (this._handles.has(callback)) {
				this.native.removeEventListener(handle as any);
				callback['__fbHandle'] = undefined;
				callback['__fbEventType'] = undefined;
				callback['__fbContext'] = undefined;
				this._handles.delete(callback);
			}
		}
	}