agora-edu-core/lib/utils/batch.js

Core APIs for building an online classroom

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.BatchRecord = void 0;
require("core-js/modules/esnext.map.delete-all.js");
require("core-js/modules/esnext.map.every.js");
require("core-js/modules/esnext.map.filter.js");
require("core-js/modules/esnext.map.find.js");
require("core-js/modules/esnext.map.find-key.js");
require("core-js/modules/esnext.map.includes.js");
require("core-js/modules/esnext.map.key-of.js");
require("core-js/modules/esnext.map.map-keys.js");
require("core-js/modules/esnext.map.map-values.js");
require("core-js/modules/esnext.map.merge.js");
require("core-js/modules/esnext.map.reduce.js");
require("core-js/modules/esnext.map.some.js");
require("core-js/modules/esnext.map.update.js");
var _BatchRecord;
/**
 * 此类主要处理将多个数据包中的同一批变更合并到一起，合并完成后执行callback
 *
 */
/** @en
 *
 */

class BatchRecord {
  static getBatchRecord(batchId) {
    if (!this._batchRecords.has(batchId)) {
      this._batchRecords.set(batchId, new BatchRecord(batchId));
    }
    const batchRecord = this._batchRecords.get(batchId);
    return batchRecord;
  }
  constructor(_batchId) {
    let _total = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
    let _current = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
    let _cb = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : dataChunk => {};
    this._batchId = _batchId;
    this._total = _total;
    this._current = _current;
    this._cb = _cb;
    this._dataChunk = [];
  }
  addChunk(data) {
    this._dataChunk.push(data);
    return this;
  }
  setCallback(cb) {
    this._cb = cb;
    return this;
  }
  setTotal(total) {
    this._total = total;
    return this;
  }
  setCurrent(current) {
    this._current = current;
    return this;
  }
  execute() {
    if (this._total === this._current) {
      BatchRecord._batchRecords.delete(this._batchId);
      if (this._cb) {
        this._cb.apply(this, [this._dataChunk]);
      }
    }
  }
}
exports.BatchRecord = BatchRecord;
_BatchRecord = BatchRecord;
BatchRecord._batchRecords = new Map();