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

Business Process Management Engine for JavaScript

'use strict';

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

var _slicedToArray2 = require('babel-runtime/helpers/slicedToArray');

var _slicedToArray3 = _interopRequireDefault(_slicedToArray2);

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

    return _temp = _this = super(...args), this.makeActive = (0, _asyncToGenerator3.default)(function* () {
      const outgoing = _this.definition.outgoing;
      const payload = _this.tokenInstance.payload;


      yield _this.callPlugins('onActive');

      const next = [];

      if (outgoing.length > 1) {
        // eslint-disable-next-line
        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;
              // eslint-disable-next-line

              (yield _this.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 {
        var _outgoing = (0, _slicedToArray3.default)(outgoing, 1);

        _this.next = _outgoing[0];

        return;
      }

      if (next.length > 1) {
        return;
      }

      if (next.length === 1) {
        _this.next = next[0];
      }

      if (!next.length) {
        if (_this.definition.default) {
          _this.next = _this.definition.default;
        }
      }
    }), _temp;
  }

}
exports.default = ExclusiveGateway;
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