Express_Crud_Example/node_modules/mongodb/lib/sdam/common.js

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2022-01-28 22:33:42 +01:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports._advanceClusterTime = exports.clearAndRemoveTimerFrom = exports.drainTimerQueue = exports.ServerType = exports.TopologyType = exports.STATE_CONNECTED = exports.STATE_CONNECTING = exports.STATE_CLOSED = exports.STATE_CLOSING = void 0;
// shared state names
exports.STATE_CLOSING = 'closing';
exports.STATE_CLOSED = 'closed';
exports.STATE_CONNECTING = 'connecting';
exports.STATE_CONNECTED = 'connected';
/**
* An enumeration of topology types we know about
* @public
*/
exports.TopologyType = Object.freeze({
Single: 'Single',
ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
Sharded: 'Sharded',
Unknown: 'Unknown',
LoadBalanced: 'LoadBalanced'
});
/**
* An enumeration of server types we know about
* @public
*/
exports.ServerType = Object.freeze({
Standalone: 'Standalone',
Mongos: 'Mongos',
PossiblePrimary: 'PossiblePrimary',
RSPrimary: 'RSPrimary',
RSSecondary: 'RSSecondary',
RSArbiter: 'RSArbiter',
RSOther: 'RSOther',
RSGhost: 'RSGhost',
Unknown: 'Unknown',
LoadBalancer: 'LoadBalancer'
});
/** @internal */
function drainTimerQueue(queue) {
queue.forEach(clearTimeout);
queue.clear();
}
exports.drainTimerQueue = drainTimerQueue;
/** @internal */
function clearAndRemoveTimerFrom(timer, timers) {
clearTimeout(timer);
return timers.delete(timer);
}
exports.clearAndRemoveTimerFrom = clearAndRemoveTimerFrom;
/** Shared function to determine clusterTime for a given topology or session */
function _advanceClusterTime(entity, $clusterTime) {
if (entity.clusterTime == null) {
entity.clusterTime = $clusterTime;
}
else {
if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
entity.clusterTime = $clusterTime;
}
}
}
exports._advanceClusterTime = _advanceClusterTime;
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