/// <summary>
/// 根据Transition，获取下一步节点列表
/// </summary>
/// <param name="forwardTransition">转移实体</param>
/// <param name="conditionKeyValuePair">条件kv对</param>
/// <param name="resultType">结果类型</param>
protected NextActivityComponent GetNextActivityListFromGatewayCore(TransitionEntity forwardTransition,
IDictionary <string, string> conditionKeyValuePair,
out NextActivityMatchedType resultType)
{
NextActivityComponent child = null;
if (XPDLHelper.IsSimpleComponentNode(forwardTransition.ToActivity.ActivityType) == true) //可流转简单类型节点
{
child = NextActivityComponentFactory.CreateNextActivityComponent(forwardTransition, forwardTransition.ToActivity);
resultType = NextActivityMatchedType.Successed;
}
else if (forwardTransition.ToActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
child = GetNextActivityListFromGateway(forwardTransition,
forwardTransition.ToActivity,
conditionKeyValuePair,
out resultType);
}
else
{
resultType = NextActivityMatchedType.Failed;
throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", forwardTransition.ToActivity.ActivityType.ToString()));
}
return(child);
}
/// <summary>
/// 把子节点添加到网关路由节点，根据网关节点和子节点是否为空处理
/// </summary>
/// <param name="fromTransition">起始转移</param>
/// <param name="currentGatewayActivity">当前网关节点</param>
/// <param name="gatewayComponent">网关Component</param>
/// <param name="child">子节点</param>
/// <returns>下一步Component</returns>
protected NextActivityComponent AddChildToGatewayComponent(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
NextActivityComponent gatewayComponent,
NextActivityComponent child)
{
if ((gatewayComponent == null) && (child != null))
{
gatewayComponent = NextActivityComponentFactory.CreateNextActivityComponent(fromTransition, currentGatewayActivity);
}
if ((gatewayComponent != null) && (child != null))
{
gatewayComponent.Add(child);
}
return(gatewayComponent);
}