ravendb
Version:
RavenDB client for Node.js
77 lines • 2.65 kB
JavaScript
import { GetRequest } from "../../../Commands/MultiGet/GetRequest.js";
import { throwError } from "../../../../Exceptions/index.js";
import { StatusCodes } from "../../../../Http/StatusCode.js";
import { HEADERS } from "../../../../Constants.js";
import { QueryCommand } from "../../../Commands/QueryCommand.js";
import { stringToReadable } from "../../../../Utility/StreamUtil.js";
import { DocumentInfo } from "../../DocumentInfo.js";
export class LazyConditionalLoadOperation {
_clazz;
_session;
_id;
_changeVector;
constructor(session, id, changeVector, clazz) {
this._clazz = clazz;
this._session = session;
this._id = id;
this._changeVector = changeVector;
}
createRequest() {
const request = new GetRequest();
request.url = "/docs";
request.method = "GET";
request.query = "?id=" + encodeURIComponent(this._id);
request.headers[HEADERS.IF_NONE_MATCH] = `"${this._changeVector}"`;
return request;
}
_result;
_requiresRetry;
get queryResult() {
throwError("NotImplementedException");
return null;
}
get result() {
return this._result;
}
get requiresRetry() {
return this._requiresRetry;
}
async handleResponseAsync(response) {
if (response.forceRetry) {
this._result = null;
this._requiresRetry = true;
return;
}
switch (response.statusCode) {
case StatusCodes.NotModified: {
this._result = {
entity: null,
changeVector: this._changeVector
};
return;
}
case StatusCodes.NotFound: {
this._session.registerMissing(this._id);
this._result = {
entity: null,
changeVector: null
};
return;
}
}
if (response.result) {
const etag = response.headers[HEADERS.ETAG];
const res = await QueryCommand.parseQueryResultResponseAsync(stringToReadable(response.result), this._session.conventions, false);
const documentInfo = DocumentInfo.getNewDocumentInfo(res.results[0]);
const r = this._session.trackEntity(this._clazz, documentInfo);
this._result = {
entity: r,
changeVector: etag
};
return;
}
this._result = null;
this._session.registerMissing(this._id);
}
}
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