bpm-engine/dist/lib/Elements/SubProcess.js

Business Process Management Engine for JavaScript

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _stringify = require('babel-runtime/core-js/json/stringify');

var _stringify2 = _interopRequireDefault(_stringify);

var _promise = require('babel-runtime/core-js/promise');

var _promise2 = _interopRequireDefault(_promise);

var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var _Activity = require('./Activity');

var _Activity2 = _interopRequireDefault(_Activity);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

class SubProcess extends _Activity2.default {
  constructor(...args) {
    var _temp, _this;

    return _temp = _this = super(...args), this.makeActive = (0, _asyncToGenerator3.default)(function* () {
      yield _this.callPlugins('onActive');

      const loop = _this.definition.loopCharacteristics;

      let childTokenInstances = [];

      // not looping, not a multi instance
      if (!loop) {
        const tokenInstance = yield _this.engine.createTokenInstance({
          payload: _this.tokenInstance.payload,
          parent: _this.tokenInstance.tokenId,
          processId: _this.tokenInstance.processId,
          flowObjects: _this.definition.flowElements
        });

        childTokenInstances.push(tokenInstance);
      } else {
        // get cardinality or collection
        const subProcessItems = yield _this.getSubProcessItems(loop);

        if (!subProcessItems || subProcessItems.length === 0) {
          _this.tokenInstance.status = 'running';
        } else {
          childTokenInstances = yield _promise2.default.all(subProcessItems.map((() => {
            var _ref2 = (0, _asyncToGenerator3.default)(function* (item) {
              const payload = JSON.parse((0, _stringify2.default)(_this.tokenInstance.payload));

              if (!payload._) {
                payload._ = {};
              }

              payload._.item = item;

              const tokenInstance = yield _this.engine.createTokenInstance({
                payload,
                parent: _this.tokenInstance.tokenId,
                processId: _this.tokenInstance.processId,
                isSubProcess: true,
                flowObjects: _this.definition.flowElements
              });

              return tokenInstance;
            });

            return function (_x) {
              return _ref2.apply(this, arguments);
            };
          })()));
        }
      }

      _this.tokenInstance.status = 'paused';
      yield _this.processChilds(childTokenInstances);
    }), _temp;
  }

  getSubProcessItems(loop) {
    var _this2 = this;

    return (0, _asyncToGenerator3.default)(function* () {
      const evalCondition = _this2.evalCondition,
            tokenInstance = _this2.tokenInstance;
      const payload = tokenInstance.payload;


      const collectionLocation = loop.$attrs['camunda:collection'];
      const cardinality = loop.loopCardinality && Number(loop.loopCardinality.body);

      let collection = [];

      if (collectionLocation) {
        collection = yield evalCondition(collectionLocation, payload);
      }

      if (cardinality) {
        for (let i = 0; i < cardinality; i += 1) {
          collection.push(i);
        }
      }

      return collection;
    })();
  }

}
exports.default = SubProcess;
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