bpmn-elements/src/events/IntermediateThrowEvent.js

Executable workflow elements based on BPMN 2.0

import Activity from '../activity/Activity.js';
import EventDefinitionExecution from '../eventDefinitions/EventDefinitionExecution.js';
import { cloneContent } from '../messageHelper.js';

const kExecution = Symbol.for('execution');

export default function IntermediateThrowEvent(activityDef, context) {
  return new Activity(IntermediateThrowEventBehaviour, { ...activityDef, isThrowing: true }, context);
}

export function IntermediateThrowEventBehaviour(activity) {
  this.id = activity.id;
  this.type = activity.type;
  this.broker = activity.broker;
  this[kExecution] = activity.eventDefinitions && new EventDefinitionExecution(activity, activity.eventDefinitions);
}

IntermediateThrowEventBehaviour.prototype.execute = function execute(executeMessage) {
  const execution = this[kExecution];
  if (execution) {
    return execution.execute(executeMessage);
  }

  return this.broker.publish('execution', 'execute.completed', cloneContent(executeMessage.content));
};