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

Business Process Management Engine for JavaScript

'use strict';

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

var _getIterator2 = require('babel-runtime/core-js/get-iterator');

var _getIterator3 = _interopRequireDefault(_getIterator2);

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

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

      // if this token has a parent
      // we pull ourselves out of its childs
      if (_this.tokenInstance.parent) {
        const parentToken = yield _this.persist.tokenInstance.update({
          tokenId: _this.tokenInstance.parent
        }, {
          $pull: { childs: _this.tokenInstance.tokenId }
        });

        // if there are still childs left
        // we set us to be paused, since only the last
        // token should be continued
        if (parentToken.childs.length > 0) {
          _this.tokenInstance.status = 'paused';
        }
      }
    }), this.makeComplete = (0, _asyncToGenerator3.default)(function* () {
      const outgoing = _this.definition.outgoing;


      yield _this.callPlugins('onComplete');

      if (outgoing.length > 1) {
        const next = yield _this.getNext();

        if (!next.length) {
          if (_this.definition.default) {
            next.push(_this.definition.default);
          } else {
            return;
          }
        }

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

  getNext() {
    var _this2 = this;

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


      const next = [];
      if (outgoing.length > 1) {
        var _iteratorNormalCompletion = true;
        var _didIteratorError = false;
        var _iteratorError = undefined;

        try {
          for (var _iterator = (0, _getIterator3.default)(outgoing), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
            const path = _step.value;

            if (path.conditionExpression) {
              const conditionExpression = path.conditionExpression;

              (yield _this2.evalCondition(conditionExpression.body, payload)) && next.push(path);
            }
          }
        } catch (err) {
          _didIteratorError = true;
          _iteratorError = err;
        } finally {
          try {
            if (!_iteratorNormalCompletion && _iterator.return) {
              _iterator.return();
            }
          } finally {
            if (_didIteratorError) {
              throw _iteratorError;
            }
          }
        }
      } else {
        next.push(outgoing[0]);
      }
      return next;
    })();
  }

}
exports.default = InclusiveGateway;
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