flexmonster-mongo-connector
Version:
Custom data source API implementation for MongoDB
57 lines • 2.66 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AbstractApiRequest = void 0;
const LoggingManager_1 = require("../../../logging/LoggingManager");
class AbstractApiRequest {
constructor(requestArgument) {
this.CHUNK_SIZE = 40000;
this._requestArgument = requestArgument;
this._schema = requestArgument.schema;
this._splitedQueries = this._splitQuery(this._requestArgument.clientQuery);
this._db = requestArgument.db;
this._curentQueryIndex = 0;
this._currentPageIndex = 0;
}
get requestArgument() {
return this._requestArgument;
}
;
get loggingTemplate() {
return this._loggingTemplate;
}
getData(queryBuilder, queryExecutor) {
return __awaiter(this, void 0, void 0, function* () {
const mongoQuery = this.buildMongoQuery(queryBuilder, this._schema);
LoggingManager_1.LoggingManager.log(`Getting ${this.loggingTemplate} data`);
LoggingManager_1.LoggingManager.log(`Generated pipeline query to MongoDB ${JSON.stringify(mongoQuery)}`);
const startDate = new Date();
const queryResultCursor = this.executeQuery(queryExecutor, mongoQuery);
const data = yield this.parseQueryResult(queryResultCursor, startDate);
return data;
});
}
_splitQuery(query) {
const splitedQuery = [];
splitedQuery.push(query);
return splitedQuery;
}
executeQuery(queryExecutor, mongoQuery) {
if (queryExecutor == null || mongoQuery == null)
throw new Error("Illegal argument exception");
queryExecutor.injectDBConnection(this._db);
return queryExecutor.runAggregateQuery(this._requestArgument.index, mongoQuery);
}
dispose() {
}
}
exports.AbstractApiRequest = AbstractApiRequest;
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