/// <summary>
/// 根据节点ID，获取服务实例
/// </summary>
/// <param name="nodeID">节点ID</param>
internal override NodeInstanceService CreateServicInstance(string nodeID)
{
//查找 节点ID对应 的配置信息
ResponseNodeConfig configNodeInfo = ConfigTree.GetConfigByNodeID(nodeID);
if (configNodeInfo == null)
{
return(null);
}
//找不到配置节点时的处理
if (configNodeInfo == null)
{
NodeInstanceService node_unknown = new NodeInstanceService(ConstString.UNKNOWN_NODE_ID);
node_unknown.DealingHandler = DefaultDealingHandler.CreateInstance_Text("抱歉，當前指令現在無法為您提供服務。");
return(node_unknown);
}
//根据配置文件处理
NodeInstanceService result = new NodeInstanceService(configNodeInfo.NodeID);
if (configNodeInfo.DealingHandlerConfig != null)
{
dynamic dealingHandlerConfig = configNodeInfo.DealingHandlerConfig;
result.DealingHandler = dealingHandlerConfig.CreateInstanceFromConfig();
#region 如果是自定义处理器，再注入参数配置的内容
try
{
if (result.DealingHandler is ICustomHandler && result.DealingHandler is ICustomHandlerConfigable)
{
Type configClassType = ConfigClassOfCustomHandlerHelper.GetConfigClassType(result.DealingHandler.GetType());
if (configClassType != null)
{
dynamic configData = ConfigClassOfCustomHandlerHelper.GetConfigClassInstance(configClassType, configNodeInfo.NodeID);
dynamic dh = result.DealingHandler;
dh.ConfigData = configData;
}
}
}
catch (Exception ex)
{
Logger.Log4Net.Error("自定义处理器的参数配置，注入失败。", ex);
}
#endregion
}
if (configNodeInfo.DoneHandlerConfig != null)
{
dynamic doneHandlerConfig = configNodeInfo.DoneHandlerConfig;
result.DonedHandler = doneHandlerConfig.CreateInstanceFromConfig();
}
return(result);
}
/// <summary>
/// 支持直接跳转到指定的节点
/// </summary>
/// <param name="targetNodeID">指定的节点</param>
/// <returns></returns>
public IResponseMessage JumpToTargetnode(string openId, string targetNodeID)
{
if (FirstLoaded == false)
{
//初始化
FirstLoaded = true;
this.Loaded();
}
//##创建节点
NodeInstanceService newNode = this.CreateServicInstance(targetNodeID);
if (newNode == null)
{
return(null);
}
else
{
//替换当前节点
CurrentNode = newNode;
//处理附加的行为
if (CurrentNode.DealingHandler != null)
{
DealingHandlerAdditionalBehaviorAttribute attribute = Attribute.GetCustomAttribute(CurrentNode.DealingHandler.GetType(),
typeof(DealingHandlerAdditionalBehaviorAttribute))
as DealingHandlerAdditionalBehaviorAttribute;
if (attribute != null)
{
//忽略 呈现ReadyMessage流程
if (attribute.AdditionalBehavior.HasFlag(DealingHandlerAdditionalBehaviorType.IgnoreReadyMessage))
{
CurrentNode.NodeStatus = NodeStatusTypes.Dealing;
}
}
}
//执行
IResponseMessage ret = ProcessData(openId, DataTypes.InputAll, null);
return(ret);
}
}
//---------Control---------
#region 处理数据
/// <summary>
/// 处理数据
/// </summary>
/// <param name="openId">OpenID</param>
/// <param name="inputType">输入的类型</param>
/// <param name="rawData">Raw格式的数据</param>
/// <returns>响应结果</returns>
public IResponseMessage HanderData(string openId, DataTypes inputType, object rawData)
{
if (FirstLoaded == false)
{
//初始化
FirstLoaded = true;
this.Loaded();
//##创建初始节点
CurrentNode = this.CreateServicInstance(ConstString.ROOT_NODE_ID);
}
//##任意时刻都采纳的指令
if (rawData != null && rawData.ToString() == "0")
{
CurrentNode = this.CreateServicInstance(ConstString.ROOT_NODE_ID);
}
//处理数据，如果响应结果为“跳转节点”，则继续进行处理；否则，返回结果到外部。
IResponseMessage ret = ProcessData(openId, inputType, rawData);
if (ret is ResponseJumpNode)
{
ResponseJumpNode jumpResult = ret as ResponseJumpNode;
if (NodeIdValidator.IsValid(jumpResult.NodeId) == false)
{
throw new ArgumentException("节点ID格式不正确", "nodeId");
}
CurrentNode = this.CreateServicInstance(jumpResult.NodeId);
//如果无法创建
if (CurrentNode == null)
{
return(null);
}
//处理附加的行为
#region 流程特性 DealingHandlerAdditionalBehaviorAttribute
if (CurrentNode.NodeStatus == NodeStatusTypes.Created &&
CurrentNode.DealingHandler != null)
{
DealingHandlerAdditionalBehaviorAttribute attribute = Attribute.GetCustomAttribute(CurrentNode.DealingHandler.GetType(),
typeof(DealingHandlerAdditionalBehaviorAttribute))
as DealingHandlerAdditionalBehaviorAttribute;
if (attribute != null)
{
//忽略 呈现ReadyMessage流程
if (attribute.AdditionalBehavior.HasFlag(DealingHandlerAdditionalBehaviorType.IgnoreReadyMessage))
{
CurrentNode.NodeStatus = NodeStatusTypes.Dealing;
}
}
}
#endregion
return(ProcessData(openId, inputType, rawData));
}
else
{
return(ret);
}
}