71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.WriteConcern = exports.WRITE_CONCERN_KEYS = void 0;
|
|
exports.WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
|
|
/**
|
|
* A MongoDB WriteConcern, which describes the level of acknowledgement
|
|
* requested from MongoDB for write operations.
|
|
* @public
|
|
*
|
|
* @see https://docs.mongodb.com/manual/reference/write-concern/
|
|
*/
|
|
class WriteConcern {
|
|
/**
|
|
* Constructs a WriteConcern from the write concern properties.
|
|
* @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
|
|
* @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
|
|
* @param j - request acknowledgment that the write operation has been written to the on-disk journal
|
|
* @param fsync - equivalent to the j option
|
|
*/
|
|
constructor(w, wtimeout, j, fsync) {
|
|
if (w != null) {
|
|
if (!Number.isNaN(Number(w))) {
|
|
this.w = Number(w);
|
|
}
|
|
else {
|
|
this.w = w;
|
|
}
|
|
}
|
|
if (wtimeout != null) {
|
|
this.wtimeout = wtimeout;
|
|
}
|
|
if (j != null) {
|
|
this.j = j;
|
|
}
|
|
if (fsync != null) {
|
|
this.fsync = fsync;
|
|
}
|
|
}
|
|
/** Construct a WriteConcern given an options object. */
|
|
static fromOptions(options, inherit) {
|
|
if (options == null)
|
|
return undefined;
|
|
inherit = inherit !== null && inherit !== void 0 ? inherit : {};
|
|
let opts;
|
|
if (typeof options === 'string' || typeof options === 'number') {
|
|
opts = { w: options };
|
|
}
|
|
else if (options instanceof WriteConcern) {
|
|
opts = options;
|
|
}
|
|
else {
|
|
opts = options.writeConcern;
|
|
}
|
|
const parentOpts = inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
|
|
const { w = undefined, wtimeout = undefined, j = undefined, fsync = undefined, journal = undefined, wtimeoutMS = undefined } = {
|
|
...parentOpts,
|
|
...opts
|
|
};
|
|
if (w != null ||
|
|
wtimeout != null ||
|
|
wtimeoutMS != null ||
|
|
j != null ||
|
|
journal != null ||
|
|
fsync != null) {
|
|
return new WriteConcern(w, wtimeout !== null && wtimeout !== void 0 ? wtimeout : wtimeoutMS, j !== null && j !== void 0 ? j : journal, fsync);
|
|
}
|
|
return undefined;
|
|
}
|
|
}
|
|
exports.WriteConcern = WriteConcern;
|
|
//# sourceMappingURL=write_concern.js.map
|