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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | 279x 279x 279x 279x 29318x 29318x 29318x 29318x 29302x 29270x 4x 29266x 29266x 4x 29262x 29262x 29262x 510x 279x | import type { Long } from '../bson';
import { MongoRuntimeError } from '../error';
import type { Server } from '../sdam/server';
import type { ClientSession } from '../sessions';
import { type TimeoutContext } from '../timeout';
import { type MongoDBNamespace, squashError } from '../utils';
import { AbstractOperation, Aspect, defineAspects, type OperationOptions } from './operation';
/**
* https://www.mongodb.com/docs/manual/reference/command/killCursors/
* @internal
*/
interface KillCursorsCommand {
killCursors: string;
cursors: Long[];
comment?: unknown;
}
export class KillCursorsOperation extends AbstractOperation {
cursorId: Long;
constructor(cursorId: Long, ns: MongoDBNamespace, server: Server, options: OperationOptions) {
super(options);
this.ns = ns;
this.cursorId = cursorId;
this.server = server;
}
override get commandName() {
return 'killCursors' as const;
}
override async execute(
server: Server,
session: ClientSession | undefined,
timeoutContext: TimeoutContext
): Promise<void> {
if (server !== this.server) {
throw new MongoRuntimeError('Killcursor must run on the same server operation began on');
}
const killCursors = this.ns.collection;
if (killCursors == null) {
// Cursors should have adopted the namespace returned by MongoDB
// which should always defined a collection name (even a pseudo one, ex. db.aggregate())
throw new MongoRuntimeError('A collection name must be determined before killCursors');
}
const killCursorsCommand: KillCursorsCommand = {
killCursors,
cursors: [this.cursorId]
};
try {
await server.command(this.ns, killCursorsCommand, {
session,
timeoutContext
});
} catch (error) {
// The driver should never emit errors from killCursors, this is spec-ed behavior
squashError(error);
}
}
}
defineAspects(KillCursorsOperation, [Aspect.MUST_SELECT_SAME_SERVER]);
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