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

Business Process Management Engine for JavaScript

'use strict';

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

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

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var _Gateway = require('./Gateway');

var _Gateway2 = _interopRequireDefault(_Gateway);

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

class ParallelGateway extends _Gateway2.default {
  constructor(...args) {
    var _temp, _this;

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

      const incoming = _this.definition.incoming;

      // converging

      if (incoming.length > 1) {
        // did any other waiting token arrive here yet?
        const anyOtherToken = yield _this.persist.tokenInstance.find({
          processId: _this.tokenInstance.processId,
          status: 'paused',
          currentActivity: _this.definition.id
        });

        // no other active tokens have arrived here yet,
        // so use this token as the first which arrived
        if (!anyOtherToken) {
          const pending = incoming.map(function (el) {
            return el.id;
          });
          const index = pending.indexOf(_this.tokenInstance.lastActivity);

          if (index !== -1) {
            pending.splice(index, 1);
          }

          yield _this.persist.tokenInstance.update({
            tokenId: _this.tokenInstance.tokenId
          }, {
            $set: {
              currentActivity: _this.definition.id,
              status: 'paused',
              pending
            }
          });
          _this.tokenInstance.status = 'paused';
        } else {
          // else if (anyOtherToken.pending.length === 0) {
          //   this.tokenInstance.status = 'paused';
          // }
          const updatedOtherToken = yield _this.persist.tokenInstance.update({
            tokenId: anyOtherToken.tokenId
          }, {
            $pull: {
              pending: _this.tokenInstance.lastActivity
            }
          });

          if (updatedOtherToken.pending.length > 0) {
            _this.tokenInstance.status = 'paused';
          }
        }
      }
    }), this.makeComplete = (0, _asyncToGenerator3.default)(function* () {
      yield _this.callPlugins('onComplete');

      const outgoing = _this.definition.outgoing;


      if (outgoing.length > 1) {
        const childTokenInstances = yield _this.instantiateChildTokenInstances(outgoing);
        _this.tokenInstance.status = 'paused';
        yield _this.processChilds(childTokenInstances);
      }
    }), _temp;
  }

}
exports.default = ParallelGateway;
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