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流程返回值改为FlowResult，记录节点信息、上下文信息，为以后的流程调用回溯做准备

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This commit is contained in:
fengjiayi
2025-03-21 18:26:01 +08:00
parent 9941f24c5d
commit f99aff3c2c
30 changed files with 916 additions and 752 deletions
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11
Library/Api/IDynamicContext.cs
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@@ -54,22 +54,21 @@ namespace Serein.Library.Api
/// <summary>
/// 获取节点的数据（当前节点需要获取上一节点数据时，需要从 运行时上一节点 的Guid 通过这个方法进行获取
/// </summary>
/// <param name="nodeGuid"></param>
/// <param name="nodeModel"></param>
/// <returns></returns>
object GetFlowData(string nodeGuid);
FlowResult GetFlowData(NodeModelBase nodeModel);
/// <summary>
/// 上一节点数据透传到下一节点
/// </summary>
/// <param name="nodeModel"></param>
object TransmissionData(NodeModelBase nodeModel);
FlowResult TransmissionData(NodeModelBase nodeModel);
/// <summary>
/// 添加或更新当前节点的数据
/// </summary>
/// <param name="nodeGuid"></param>
/// <param name="nodeModel"></param>
/// <param name="flowData"></param>
void AddOrUpdate(string nodeGuid, object flowData);
void AddOrUpdate(NodeModelBase nodeModel, FlowResult flowData);
/// <summary>
/// 重置流程状态（用于对象池回收）

9
Library/Api/IFlowEnvironment.cs
View File

@@ -950,6 +950,13 @@ namespace Serein.Library.Api
#endregion
#region 流程运行相关
/// <summary>
/// 获取节点信息
/// </summary>
/// <param name="nodeGuid"></param>
/// <param name="nodeModel"></param>
/// <returns></returns>
bool TryGetNodeModel(string nodeGuid, out NodeModelBase nodeModel);
/// <summary>
/// 获取方法描述信息
@@ -1026,7 +1033,7 @@ namespace Serein.Library.Api
/// <param name="context">调用时的上下文</param>
/// <param name="nodeGuid">节点Guid</param>
/// <returns></returns>
Task<object> InvokeNodeAsync(IDynamicContext context, string nodeGuid);
// Task<object> InvokeNodeAsync(IDynamicContext context, string nodeGuid);
#endregion

4
Library/Api/IScriptFlowApi.cs
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@@ -26,13 +26,13 @@ namespace Serein.Library.Api
/// <param name="context"></param>
/// <param name="index"></param>
/// <returns></returns>
object GetArgData(IDynamicContext context, int index);
//object GetArgData(IDynamicContext context, int index);
/// <summary>
/// 获取流程当前传递的数据
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
object GetFlowData(IDynamicContext context);
/// FlowResult GetFlowData(IDynamicContext context);
/// <summary>
/// 获取全局数据

432
Library/Extension/NodeModelExtension.cs Normal file
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@@ -0,0 +1,432 @@
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Serein.Library.Api;
using Serein.Library.Utils;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace Serein.Library
{
/// <summary>
/// 节点方法拓展
/// </summary>
public static class NodeModelExtension
{
/// <summary>
/// 输出方法参数信息
/// </summary>
/// <returns></returns>
public static ParameterData[] SaveParameterInfo(this NodeModelBase nodeModel)
{
if (nodeModel.MethodDetails.ParameterDetailss == null)
{
return new ParameterData[0];
}
if (nodeModel.MethodDetails.ParameterDetailss.Length > 0)
{
return nodeModel.MethodDetails.ParameterDetailss
.Select(it => new ParameterData
{
SourceNodeGuid = it.ArgDataSourceNodeGuid,
SourceType = it.ArgDataSourceType.ToString(),
State = it.IsExplicitData,
ArgName = it.Name,
Value = it.DataValue,
})
.ToArray();
}
else
{
return Array.Empty<ParameterData>();
}
}
/// <summary>
/// 导出为节点信息
/// </summary>
/// <returns></returns>
public static NodeInfo ToInfo(this NodeModelBase nodeModel)
{
// if (MethodDetails == null) return null;
var trueNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsSucceed].Select(item => item.Guid); // 真分支
var falseNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsFail].Select(item => item.Guid);// 假分支
var errorNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsError].Select(item => item.Guid);// 异常分支
var upstreamNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.Upstream].Select(item => item.Guid);// 上游分支
// 生成参数列表
ParameterData[] parameterData = nodeModel.SaveParameterInfo();
NodeInfo nodeInfo = new NodeInfo
{
Guid = nodeModel.Guid,
AssemblyName = nodeModel.MethodDetails.AssemblyName,
MethodName = nodeModel.MethodDetails?.MethodName,
Label = nodeModel.MethodDetails?.MethodAnotherName,
Type = nodeModel.ControlType.ToString(), //this.GetType().ToString(),
TrueNodes = trueNodes.ToArray(),
FalseNodes = falseNodes.ToArray(),
UpstreamNodes = upstreamNodes.ToArray(),
ParameterData = parameterData.ToArray(),
ErrorNodes = errorNodes.ToArray(),
Position = nodeModel.Position,
IsProtectionParameter = nodeModel.MethodDetails.IsProtectionParameter,
IsInterrupt = nodeModel.DebugSetting.IsInterrupt,
IsEnable = nodeModel.DebugSetting.IsEnable,
ParentNodeGuid = nodeModel.ContainerNode?.Guid,
ChildNodeGuids = nodeModel.ChildrenNode.Select(item => item.Guid).ToArray(),
};
nodeInfo.Position.X = Math.Round(nodeInfo.Position.X, 1);
nodeInfo.Position.Y = Math.Round(nodeInfo.Position.Y, 1);
nodeInfo = nodeModel.SaveCustomData(nodeInfo);
return nodeInfo;
}
/// <summary>
/// 从节点信息加载节点
/// </summary>
/// <param name="nodeInfo"></param>
/// <returns></returns>
public static void LoadInfo(this NodeModelBase nodeModel, NodeInfo nodeInfo)
{
nodeModel.Guid = nodeInfo.Guid;
nodeModel.Position = nodeInfo.Position ?? new PositionOfUI(0, 0);// 加载位置信息
var md = nodeModel.MethodDetails; // 当前节点的方法说明
nodeModel.MethodDetails.IsProtectionParameter = nodeInfo.IsProtectionParameter; // 保护参数
nodeModel.DebugSetting.IsInterrupt = nodeInfo.IsInterrupt; // 是否中断
nodeModel.DebugSetting.IsEnable = nodeInfo.IsEnable; // 是否使能
if (md != null)
{
if (md.ParameterDetailss == null)
{
md.ParameterDetailss = new ParameterDetails[0];
}
var pds = md.ParameterDetailss; // 当前节点的入参描述数组
#region 类库方法型节点加载参数
if (nodeInfo.ParameterData.Length > pds.Length && md.HasParamsArg)
{
// 保存的参数信息项数量大于方法本身的方法入参数量（可能存在可变入参）
var length = nodeInfo.ParameterData.Length - pds.Length; // 需要扩容的长度
nodeModel.MethodDetails.ParameterDetailss = ArrayHelper.Expansion(pds, length); // 扩容入参描述数组
pds = md.ParameterDetailss; // 当前节点的入参描述数组
var startParmsPd = pds[md.ParamsArgIndex]; // 获取可变入参参数描述
for (int i = md.ParamsArgIndex + 1; i <= md.ParamsArgIndex + length; i++)
{
pds[i] = startParmsPd.CloneOfModel(nodeModel);
pds[i].Index = pds[i - 1].Index + 1;
pds[i].IsParams = true;
}
}
for (int i = 0; i < nodeInfo.ParameterData.Length; i++)
{
if (i >= pds.Length)
{
nodeModel.Env.WriteLine(InfoType.ERROR, $"保存的参数数量大于方法此时的入参参数数量：[{nodeInfo.Guid}][{nodeInfo.MethodName}]");
break;
}
var pd = pds[i];
ParameterData pdInfo = nodeInfo.ParameterData[i];
pd.IsExplicitData = pdInfo.State;
pd.DataValue = pdInfo.Value;
pd.ArgDataSourceType = EnumHelper.ConvertEnum<ConnectionArgSourceType>(pdInfo.SourceType);
pd.ArgDataSourceNodeGuid = pdInfo.SourceNodeGuid;
}
nodeModel.LoadCustomData(nodeInfo); // 加载自定义数据
#endregion
}
}
/// <summary>
/// 开始执行
/// </summary>
/// <param name="context"></param>
/// <param name="token">流程运行</param>
/// <returns></returns>
public static async Task StartFlowAsync(this NodeModelBase nodeModel, IDynamicContext context, CancellationToken token)
{
Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
HashSet<NodeModelBase> processedNodes = new HashSet<NodeModelBase>(); // 用于记录已处理上游节点的节点
stack.Push(nodeModel);
while (context.RunState != RunState.Completion // 没有完成
&& token.IsCancellationRequested == false // 没有取消
&& stack.Count > 0) // 循环中直到栈为空才会退出循环
{
#if DEBUG
await Task.Delay(1);
#endif
#region 执行相关
// 从栈中弹出一个节点作为当前节点进行处理
var currentNode = stack.Pop();
context.NextOrientation = ConnectionInvokeType.None; // 重置上下文状态
FlowResult flowResult;
try
{
flowResult = await currentNode.ExecutingAsync(context, token);
if (context.NextOrientation == ConnectionInvokeType.None) // 没有手动设置时，进行自动设置
{
context.NextOrientation = ConnectionInvokeType.IsSucceed;
}
}
catch (Exception ex)
{
flowResult = new FlowResult(currentNode,context);
context.Env.WriteLine(InfoType.ERROR, $"节点[{currentNode.Guid}]异常：" + ex);
context.NextOrientation = ConnectionInvokeType.IsError;
context.ExceptionOfRuning = ex;
}
context.AddOrUpdate(currentNode, flowResult); // 上下文中更新数据
#endregion
#region 执行完成
// 首先将指定类别后继分支的所有节点逆序推入栈中
var nextNodes = currentNode.SuccessorNodes[context.NextOrientation];
for (int index = nextNodes.Count - 1; index >= 0; index--)
{
// 筛选出启用的节点的节点
if (nextNodes[index].DebugSetting.IsEnable)
{
context.SetPreviousNode(nextNodes[index], currentNode);
stack.Push(nextNodes[index]);
}
}
// 然后将指上游分支的所有节点逆序推入栈中
var upstreamNodes = currentNode.SuccessorNodes[ConnectionInvokeType.Upstream];
for (int index = upstreamNodes.Count - 1; index >= 0; index--)
{
// 筛选出启用的节点的节点
if (upstreamNodes[index].DebugSetting.IsEnable)
{
context.SetPreviousNode(upstreamNodes[index], currentNode);
stack.Push(upstreamNodes[index]);
}
}
#endregion
}
}
/// <summary>
/// 获取对应的参数数组
/// </summary>
public static async Task<object[]> GetParametersAsync(this NodeModelBase nodeModel, IDynamicContext context, CancellationToken token)
{
if (nodeModel.MethodDetails.ParameterDetailss.Length == 0)
{
return Array.Empty<object>(); // 无参数
}
var md = nodeModel.MethodDetails;
var pds = md.ParameterDetailss;
#region 定义返回的参数数组
object[] args;
Array paramsArgs = null; // 初始化可选参数
int paramsArgIndex = 0; // 可选参数下标，与 object[] paramsArgs 一起使用
if (md.ParamsArgIndex >= 0) // 存在可变入参参数
{
var paramsArgType = pds[md.ParamsArgIndex].DataType; // 获取可变参数的参数类型
int paramsLength = pds.Length - md.ParamsArgIndex; // 可变参数数组长度 = 方法参数个数 - （ 可选入参下标 + 1 ）
paramsArgs = Array.CreateInstance(paramsArgType, paramsLength);// 可变参数
args = new object[md.ParamsArgIndex + 1]; // 调用方法的入参数组
args[md.ParamsArgIndex] = paramsArgs; // 如果存在可选参数，入参参数最后一项则为可变参数
}
else
{
// 不存在可选参数
args = new object[pds.Length]; // 调用方法的入参数组
}
#endregion
// 常规参数的获取
for (int i = 0; i < args.Length; i++)
{
var pd = pds[i];
args[i] = await pd.ToMethodArgData(context); // 获取数据
}
// 可选参数的获取
if (md.ParamsArgIndex >= 0)
{
for (int i = 0; i < paramsArgs.Length; i++)
{
var pd = md.ParameterDetailss[paramsArgIndex + i];
var data = await pd.ToMethodArgData(context); // 获取数据
paramsArgs.SetValue(data, i);// 设置到数组中
}
args[args.Length - 1] = paramsArgs;
}
return args;
}
/// <summary>
/// 检查监视表达式是否生效
/// </summary>
/// <param name="nodeModel">节点Moel</param>
/// <param name="context">上下文</param>
/// <param name="newData">新的数据</param>
/// <returns></returns>
/*public static async Task CheckExpInterrupt(this NodeModelBase nodeModel, IDynamicContext context, object newData = null)
{
string guid = nodeModel.Guid;
context.AddOrUpdate(guid, newData); // 上下文中更新数据
if (newData is null)
{
}
else
{
await nodeModel.MonitorObjExpInterrupt(context, newData, 0); // 首先监视对象
await nodeModel.MonitorObjExpInterrupt(context, newData, 1); // 然后监视节点
//nodeModel.FlowData = newData; // 替换数据
}
}*/
/// <summary>
/// 监视对象表达式中断
/// </summary>
/// <param name="nodeModel"></param>
/// <param name="context"></param>
/// <param name="data"></param>
/// <param name="monitorType"></param>
/// <returns></returns>
/*private static async Task MonitorObjExpInterrupt(this NodeModelBase nodeModel, IDynamicContext context, object data, int monitorType)
{
MonitorObjectEventArgs.ObjSourceType sourceType;
string key;
if (monitorType == 0)
{
key = data?.GetType()?.FullName;
sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
}
else
{
key = nodeModel.Guid;
sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
}
if (string.IsNullOrEmpty(key))
{
return;
}
//(var isMonitor, var exps) = await context.Env.CheckObjMonitorStateAsync(key);
//if (isMonitor) // 如果新的数据处于查看状态，通知UI进行更新？交给运行环境判断？
//{
// context.Env.MonitorObjectNotification(nodeModel.Guid, data, sourceType); // 对象处于监视状态，通知UI更新数据显示
// if (exps.Length > 0)
// {
// // 表达式环境下判断是否需要执行中断
// bool isExpInterrupt = false;
// string exp = "";
// // 判断执行监视表达式，直到为 true 时退出
// for (int i = 0; i < exps.Length && !isExpInterrupt; i++)
// {
// exp = exps[i];
// if (string.IsNullOrEmpty(exp)) continue;
// // isExpInterrupt = SereinConditionParser.To(data, exp);
// }
// if (isExpInterrupt) // 触发中断
// {
// nodeModel.DebugSetting.IsInterrupt = true;
// if (await context.Env.SetNodeInterruptAsync(nodeModel.Guid,true))
// {
// context.Env.TriggerInterrupt(nodeModel.Guid, exp, InterruptTriggerEventArgs.InterruptTriggerType.Exp);
// var cancelType = await nodeModel.DebugSetting.GetInterruptTask();
// await Console.Out.WriteLineAsync($"[{data}]中断已{cancelType}，开始执行后继分支");
// nodeModel.DebugSetting.IsInterrupt = false;
// }
// }
// }
//}
}*/
/// <summary>
/// 不再中断
/// </summary>
public static void CancelInterrupt(NodeModelBase nodeModel)
{
nodeModel.DebugSetting.IsInterrupt = false;
nodeModel.DebugSetting.CancelInterrupt?.Invoke();
}
#if DEBUG
/// <summary>
/// 程序集更新，更新节点方法描述、以及所有入参描述的类型
/// </summary>
/// <param name="nodeModel">节点Model</param>
/// <param name="newMd">新的方法描述</param>
public static void UploadMethod(this NodeModelBase nodeModel, MethodDetails newMd)
{
var thisMd = nodeModel.MethodDetails;
thisMd.ActingInstanceType = newMd.ActingInstanceType; // 更新方法需要的类型
var thisPds = thisMd.ParameterDetailss;
var newPds = newMd.ParameterDetailss;
// 当前存在可变参数，且新的方法也存在可变参数，需要把可变参数的数目与值传递过去
if (thisMd.HasParamsArg && newMd.HasParamsArg)
{
int paramsLength = thisPds.Length - thisMd.ParamsArgIndex - 1; // 确定扩容长度
newMd.ParameterDetailss = ArrayHelper.Expansion(newPds, paramsLength);// 为新方法的入参参数描述进行扩容
newPds = newMd.ParameterDetailss;
int index = newMd.ParamsArgIndex; // 记录
var templatePd = newPds[newMd.ParamsArgIndex]; // 新的入参模板
for (int i = thisMd.ParamsArgIndex; i < thisPds.Length; i++)
{
ParameterDetails thisPd = thisPds[i];
var newPd = templatePd.CloneOfModel(nodeModel); // 复制参数描述
newPd.Index = i + 1; // 更新索引
newPd.IsParams = true;
newPd.DataValue = thisPd.DataValue; // 保留参数值
newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
newPds[index++] = newPd;
}
}
var thidPdLength = thisMd.HasParamsArg ? thisMd.ParamsArgIndex : thisPds.Length;
// 遍历当前的参数描述（不包含可变参数），找到匹配项，复制必要的数据进行保留
for (int i = 0; i < thisPds.Length; i++)
{
ParameterDetails thisPd = thisPds[i];
var newPd = newPds.FirstOrDefault(t_newPd => !t_newPd.IsParams // 不为可变参数
&& t_newPd.Name.Equals(thisPd.Name, StringComparison.OrdinalIgnoreCase) // 存在相同名称
&& t_newPd.DataType.Name.Equals(thisPd.DataType.Name) // 存在相同入参类型名称（以类型作为区分）
);
if (newPd != null) // 如果匹配上了
{
newPd.DataValue = thisPd.DataValue; // 保留参数值
newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
}
}
thisMd.ReturnType = newMd.ReturnType;
nodeModel.MethodDetails = newMd;
}
#endif
}
}

103
Library/Extension/SereinExtension.cs
View File

@@ -13,109 +13,6 @@ namespace Serein.Library
/// </summary>
public static partial class SereinExtension
{
/// <summary>
/// 字面量转为对应类型
/// </summary>
/// <param name="valueStr"></param>
/// <returns></returns>
public static Type ToTypeOfString(this string valueStr)
{
if (valueStr.IndexOf('.') != -1)
{
// 通过指定的类型名称获取类型
return Type.GetType(valueStr);
}
if (valueStr.Equals("bool", StringComparison.OrdinalIgnoreCase))
{
return typeof(bool);
}
#region 整数型
else if (valueStr.Equals("sbyte", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(SByte), StringComparison.OrdinalIgnoreCase))
{
return typeof(SByte);
}
else if (valueStr.Equals("short", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int16), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int16);
}
else if (valueStr.Equals("int", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int32), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int32);
}
else if (valueStr.Equals("long", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int64), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int64);
}
else if (valueStr.Equals("byte", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Byte), StringComparison.OrdinalIgnoreCase))
{
return typeof(Byte);
}
else if (valueStr.Equals("ushort", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt16), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt16);
}
else if (valueStr.Equals("uint", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt32), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt32);
}
else if (valueStr.Equals("ulong", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt64), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt64);
}
#endregion
#region 浮点型
else if (valueStr.Equals("float", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Single), StringComparison.OrdinalIgnoreCase))
{
return typeof(Single);
}
else if (valueStr.Equals("double", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Double), StringComparison.OrdinalIgnoreCase))
{
return typeof(Double);
}
#endregion
#region 小数型
else if (valueStr.Equals("decimal", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Decimal), StringComparison.OrdinalIgnoreCase))
{
return typeof(Decimal);
}
#endregion
#region 其他常见的类型
else if (valueStr.Equals(nameof(DateTime), StringComparison.OrdinalIgnoreCase))
{
return typeof(DateTime);
}
else if (valueStr.Equals(nameof(String), StringComparison.OrdinalIgnoreCase))
{
return typeof(String);
}
#endregion
else
{
throw new ArgumentException($"无法解析的字面量类型[{valueStr}]");
}
}
/// <summary>
/// 判断连接类型
/// </summary>

5
Library/FlowNode/ContainerFlowEnvironment.cs
View File

@@ -378,6 +378,11 @@ namespace Serein.Library
sereinIOC.Run(action);
return this;
}
public bool TryGetNodeModel(string nodeGuid, out NodeModelBase nodeModel)
{
throw new NotImplementedException();
}
#endregion

16
Library/FlowNode/DynamicContext.cs
View File

@@ -49,7 +49,7 @@ namespace Serein.Library
/// <summary>
/// 每个流程上下文分别存放节点的当前数据
/// </summary>
private readonly ConcurrentDictionary<string, object> dictNodeFlowData = new ConcurrentDictionary<string, object>();
private readonly ConcurrentDictionary<NodeModelBase, FlowResult> dictNodeFlowData = new ConcurrentDictionary<NodeModelBase, FlowResult>();
/// <summary>
/// 每个流程上下文存储运行时节点的调用关系
@@ -88,7 +88,7 @@ namespace Serein.Library
/// </summary>
/// <param name="nodeGuid">节点</param>
/// <returns></returns>
public object GetFlowData(string nodeGuid)
public FlowResult GetFlowData(NodeModelBase nodeGuid)
{
if (dictNodeFlowData.TryGetValue(nodeGuid, out var data))
{
@@ -103,29 +103,29 @@ namespace Serein.Library
/// <summary>
/// 添加或更新当前节点数据
/// </summary>
/// <param name="nodeGuid">节点</param>
/// <param name="nodeModel">节点</param>
/// <param name="flowData">新的数据</param>
public void AddOrUpdate(string nodeGuid, object flowData)
public void AddOrUpdate(NodeModelBase nodeModel, FlowResult flowData)
{
// this.dictNodeFlowData.TryGetValue(nodeGuid, out var oldFlowData);
dictNodeFlowData.AddOrUpdate(nodeGuid, _ => flowData, (o,n ) => flowData);
dictNodeFlowData.AddOrUpdate(nodeModel, _ => flowData, (o,n ) => flowData);
}
/// <summary>
/// 上一节点数据透传到下一节点
/// </summary>
/// <param name="nodeModel"></param>
public object TransmissionData(NodeModelBase nodeModel)
public FlowResult TransmissionData(NodeModelBase nodeModel)
{
if (dictPreviousNodes.TryGetValue(nodeModel, out var previousNode)) // 首先获取当前节点的上一节点
{
if (dictNodeFlowData.TryGetValue(previousNode.Guid, out var data)) // 其次获取上一节点的数据
if (dictNodeFlowData.TryGetValue(previousNode, out var data)) // 其次获取上一节点的数据
{
return data;
//AddOrUpdate(nodeModel.Guid, data); // 然后作为当前节点的数据记录在上下文中
}
}
return null;
throw new InvalidOperationException($"透传{nodeModel.Guid}节点数据时发生异常：上一节点不存在数据");
}
/// <summary>

97
Library/FlowNode/FlowResult.cs Normal file
View File

@@ -0,0 +1,97 @@
using Serein.Library.Api;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive;
using System.Text;
using System.Threading.Tasks;
namespace Serein.Library
{
/// <summary>
/// 表示空数据
/// </summary>
/*public readonly struct Unit : IEquatable<Unit>
{
public static readonly Unit Default = default;
public bool Equals(Unit _) => true;
public override bool Equals(object obj) => obj is Unit;
public override int GetHashCode() => 0;
}*/
/// <summary>
/// 流程返回值的包装
/// </summary>
public class FlowResult
{
/// <summary>
/// 实例化返回值
/// </summary>
/// <param name="nodeModel"></param>
/// <param name="context"></param>
public FlowResult(NodeModelBase nodeModel, IDynamicContext context, object value)
{
this.NodeGuid = nodeModel.Guid;
this.ContextGuid = context.Guid;
this.Value = value;
}
/// <summary>
/// 空返回值
/// </summary>
/// <param name="nodeModel"></param>
/// <param name="context"></param>
public FlowResult(NodeModelBase nodeModel, IDynamicContext context)
{
this.NodeGuid = nodeModel.Guid;
this.ContextGuid = context.Guid;
this.Value = Unit.Default;
}
/// <summary>
/// 尝试获取值
/// </summary>
/// <param name="targetType">目标类型</param>
/// <param name="value">返回值</param>
/// <returns>指示是否获取成功</returns>
/// <exception cref="ArgumentNullException">无法转为对应类型</exception>
public bool TryGetValue(Type targetType, out object value)
{
if (targetType is null)
throw new ArgumentNullException(nameof(targetType));
if (targetType.IsInstanceOfType(Value))
{
value = Value;
return true;
}
value = Unit.Default;
return false;
}
/// <summary>
/// 来源节点Guid
/// </summary>
public string NodeGuid { get; }
/// <summary>
/// 来源上下文Guid
/// </summary>
public string ContextGuid { get; }
/// <summary>
/// 数据值
/// </summary>
public object Value { get; private set; }
/// <summary>
/// 生成时间
/// </summary>
public DateTime ResultTime { get; } = DateTime.MinValue;
/// <summary>
/// 是否自动回收
/// </summary>
public bool IsAutoRecovery { get; set; }
}
}

465
Library/FlowNode/NodeModelBaseFunc.cs
View File

@@ -27,7 +27,6 @@ namespace Serein.Library
/// </summary>
public abstract partial class NodeModelBase : IDynamicFlowNode
{
#region 节点相关事件
/// <summary>
/// 实体节点创建完成后调用的方法，调用时间早于 LoadInfo() 方法
/// </summary>
@@ -65,7 +64,7 @@ namespace Serein.Library
}
this.DebugSetting.NodeModel = null;
this.DebugSetting = null;
if(this.MethodDetails.ParameterDetailss != null)
if (this.MethodDetails.ParameterDetailss != null)
{
foreach (var pd in this.MethodDetails.ParameterDetailss)
{
@@ -79,7 +78,7 @@ namespace Serein.Library
pd.InputType = ParameterValueInputType.Input;
}
}
this.MethodDetails.ParameterDetailss = null;
//this.MethodDetails.ActingInstance = null;
this.MethodDetails.NodeModel = null;
@@ -96,280 +95,22 @@ namespace Serein.Library
this.Env = null;
}
/// <summary>
/// 输出方法参数信息
/// </summary>
/// <returns></returns>
public ParameterData[] SaveParameterInfo()
{
if(MethodDetails.ParameterDetailss == null)
{
return new ParameterData[0];
}
if (MethodDetails.ParameterDetailss.Length > 0)
{
return MethodDetails.ParameterDetailss
.Select(it => new ParameterData
{
SourceNodeGuid = it.ArgDataSourceNodeGuid,
SourceType = it.ArgDataSourceType.ToString(),
State = it.IsExplicitData,
ArgName = it.Name,
Value = it.DataValue,
})
.ToArray();
}
else
{
return new ParameterData[0];
}
}
/// <summary>
/// 导出为节点信息
/// </summary>
/// <returns></returns>
public NodeInfo ToInfo()
{
// if (MethodDetails == null) return null;
var trueNodes = SuccessorNodes[ConnectionInvokeType.IsSucceed].Select(item => item.Guid); // 真分支
var falseNodes = SuccessorNodes[ConnectionInvokeType.IsFail].Select(item => item.Guid);// 假分支
var errorNodes = SuccessorNodes[ConnectionInvokeType.IsError].Select(item => item.Guid);// 异常分支
var upstreamNodes = SuccessorNodes[ConnectionInvokeType.Upstream].Select(item => item.Guid);// 上游分支
// 生成参数列表
ParameterData[] parameterData = SaveParameterInfo();
NodeInfo nodeInfo = new NodeInfo
{
Guid = Guid,
AssemblyName = MethodDetails.AssemblyName,
MethodName = MethodDetails?.MethodName,
Label = MethodDetails?.MethodAnotherName,
Type = ControlType.ToString() , //this.GetType().ToString(),
TrueNodes = trueNodes.ToArray(),
FalseNodes = falseNodes.ToArray(),
UpstreamNodes = upstreamNodes.ToArray(),
ParameterData = parameterData.ToArray(),
ErrorNodes = errorNodes.ToArray(),
Position = Position,
IsProtectionParameter = this.MethodDetails.IsProtectionParameter,
IsInterrupt = this.DebugSetting.IsInterrupt,
IsEnable = this.DebugSetting.IsEnable,
ParentNodeGuid = ContainerNode?.Guid,
ChildNodeGuids = ChildrenNode.Select(item => item.Guid).ToArray(),
};
nodeInfo.Position.X = Math.Round(nodeInfo.Position.X, 1);
nodeInfo.Position.Y = Math.Round(nodeInfo.Position.Y, 1);
nodeInfo = SaveCustomData(nodeInfo);
return nodeInfo;
}
/// <summary>
/// 从节点信息加载节点
/// </summary>
/// <param name="nodeInfo"></param>
/// <returns></returns>
public void LoadInfo(NodeInfo nodeInfo)
{
this.Guid = nodeInfo.Guid;
this.Position = nodeInfo.Position ?? new PositionOfUI(0, 0);// 加载位置信息
var md = this.MethodDetails; // 当前节点的方法说明
this.MethodDetails.IsProtectionParameter = nodeInfo.IsProtectionParameter; // 保护参数
this.DebugSetting.IsInterrupt = nodeInfo.IsInterrupt; // 是否中断
this.DebugSetting.IsEnable = nodeInfo.IsEnable; // 是否使能
if (md != null)
{
if(md.ParameterDetailss == null)
{
md.ParameterDetailss = new ParameterDetails[0];
}
var pds = md.ParameterDetailss; // 当前节点的入参描述数组
#region 类库方法型节点加载参数
if (nodeInfo.ParameterData.Length > pds.Length && md.HasParamsArg)
{
// 保存的参数信息项数量大于方法本身的方法入参数量（可能存在可变入参）
var length = nodeInfo.ParameterData.Length - pds.Length; // 需要扩容的长度
this.MethodDetails.ParameterDetailss = ArrayHelper.Expansion(pds, length); // 扩容入参描述数组
pds = md.ParameterDetailss; // 当前节点的入参描述数组
var startParmsPd = pds[md.ParamsArgIndex]; // 获取可变入参参数描述
for (int i = md.ParamsArgIndex + 1; i <= md.ParamsArgIndex + length; i++)
{
pds[i] = startParmsPd.CloneOfModel(this);
pds[i].Index = pds[i - 1].Index + 1;
pds[i].IsParams = true;
}
}
for (int i = 0; i < nodeInfo.ParameterData.Length; i++)
{
if (i >= pds.Length)
{
Env.WriteLine(InfoType.ERROR, $"保存的参数数量大于方法此时的入参参数数量：[{nodeInfo.Guid}][{nodeInfo.MethodName}]");
break;
}
var pd = pds[i];
ParameterData pdInfo = nodeInfo.ParameterData[i];
pd.IsExplicitData = pdInfo.State;
pd.DataValue = pdInfo.Value;
pd.ArgDataSourceType = EnumHelper.ConvertEnum<ConnectionArgSourceType>(pdInfo.SourceType);
pd.ArgDataSourceNodeGuid = pdInfo.SourceNodeGuid;
}
LoadCustomData(nodeInfo); // 加载自定义数据
#endregion
}
}
#endregion
#region 调试中断
/// <summary>
/// 不再中断
/// </summary>
public void CancelInterrupt()
{
this.DebugSetting.IsInterrupt = false;
DebugSetting.CancelInterrupt?.Invoke();
}
#endregion
#region 节点方法的执行
/// <summary>
/// 是否应该退出执行
/// </summary>
/// <param name="context"></param>
/// <param name="flowCts"></param>
/// <returns></returns>
//public static bool IsBradk(IDynamicContext context)
//{
// // 上下文不再执行
// if (context.RunState == RunState.Completion)
// {
// return true;
// }
// // 不存在全局触发器时，流程运行状态被设置为完成，退出执行，用于打断无限循环分支。
// if (flowCts is null && context.Env.FlowState == RunState.Completion)
// {
// return true;
// }
// // 如果存在全局触发器，且触发器的执行任务已经被取消时，退出执行。
// if (flowCts != null)
// {
// if (flowCts.IsCancellationRequested)
// return true;
// }
// return false;
//}
/// <summary>
/// 开始执行
/// </summary>
/// <param name="context"></param>
/// <param name="token">流程运行</param>
/// <returns></returns>
public async Task StartFlowAsync(IDynamicContext context, CancellationToken token)
{
Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
HashSet<NodeModelBase> processedNodes = new HashSet<NodeModelBase>(); // 用于记录已处理上游节点的节点
stack.Push(this);
while (context.RunState != RunState.Completion // 没有完成
&& token.IsCancellationRequested == false // 没有取消
&& stack.Count > 0) // 循环中直到栈为空才会退出循环
{
#if DEBUG
await Task.Delay(1);
#endif
#region 执行相关
// 从栈中弹出一个节点作为当前节点进行处理
var currentNode = stack.Pop();
context.NextOrientation = ConnectionInvokeType.None; // 重置上下文状态
object newFlowData;
try
{
newFlowData = await currentNode.ExecutingAsync(context, token);
if (context.NextOrientation == ConnectionInvokeType.None) // 没有手动设置时，进行自动设置
{
context.NextOrientation = ConnectionInvokeType.IsSucceed;
}
}
catch (Exception ex)
{
newFlowData = null;
context.Env.WriteLine(InfoType.ERROR, $"节点[{currentNode.Guid}]异常：" + ex);
context.NextOrientation = ConnectionInvokeType.IsError;
context.ExceptionOfRuning = ex;
}
context.AddOrUpdate(currentNode.Guid, newFlowData); // 上下文中更新数据
#endregion
#region 执行完成
// 首先将指定类别后继分支的所有节点逆序推入栈中
var nextNodes = currentNode.SuccessorNodes[context.NextOrientation];
for (int index = nextNodes.Count - 1; index >= 0; index--)
{
// 筛选出启用的节点的节点
if (nextNodes[index].DebugSetting.IsEnable)
{
context.SetPreviousNode(nextNodes[index], currentNode);
stack.Push(nextNodes[index]);
}
}
// 然后将指上游分支的所有节点逆序推入栈中
var upstreamNodes = currentNode.SuccessorNodes[ConnectionInvokeType.Upstream];
for (int index = upstreamNodes.Count - 1; index >= 0; index--)
{
// 筛选出启用的节点的节点
if (upstreamNodes[index].DebugSetting.IsEnable)
{
context.SetPreviousNode(upstreamNodes[index], currentNode);
stack.Push(upstreamNodes[index]);
}
}
#endregion
}
}
/// <summary>
/// 执行节点对应的方法
/// </summary>
/// <param name="context">流程上下文</param>
/// <returns>节点传回数据对象</returns>
public virtual async Task<object> ExecutingAsync(IDynamicContext context, CancellationToken token)
public virtual async Task<FlowResult> ExecutingAsync(IDynamicContext context, CancellationToken token)
{
#region 调试中断
// 执行触发检查是否需要中断
if (DebugSetting.IsInterrupt)
if (DebugSetting.IsInterrupt)
{
context.Env.TriggerInterrupt(Guid, "", InterruptTriggerEventArgs.InterruptTriggerType.Monitor); // 通知运行环境该节点中断了
await DebugSetting.GetInterruptTask.Invoke();
//await fit.WaitTriggerAsync(Guid); // 创建一个等待的中断任务
SereinEnv.WriteLine(InfoType.INFO, $"[{this.MethodDetails?.MethodName}]中断已取消，开始执行后继分支");
//var flowCts = context.Env.IOC.Get<CancellationTokenSource>(NodeStaticConfig.FlipFlopCtsName);
if (token.IsCancellationRequested) { return null; }
}
#endregion
MethodDetails md = MethodDetails;
if (md is null)
{
@@ -377,211 +118,25 @@ namespace Serein.Library
}
if (!context.Env.TryGetDelegateDetails(md.AssemblyName, md.MethodName, out var dd)) // 流程运行到某个节点
{
throw new Exception($"节点{this.Guid}不存在对应委托");
}
var instance = Env.IOC.Get(md.ActingInstanceType);
if(instance == null)
if (instance is null)
{
Env.IOC.Register(md.ActingInstanceType).Build();
instance = Env.IOC.Get(md.ActingInstanceType);
}
object[] args = await GetParametersAsync(context, token);
object[] args = await this.GetParametersAsync(context, token);
var result = await dd.InvokeAsync(instance, args);
return result;
var flowReslt = new FlowResult(this, context, result);
return flowReslt;
}
/// <summary>
/// 获取对应的参数数组
/// </summary>
public async Task<object[]> GetParametersAsync(IDynamicContext context, CancellationToken token)
{
if (MethodDetails.ParameterDetailss.Length == 0)
{
return new object[0]; // 无参数
}
#region 定义返回的参数数组
object[] args;
Array paramsArgs = null; // 初始化可选参数
int paramsArgIndex = 0; // 可选参数下标，与 object[] paramsArgs 一起使用
if (MethodDetails.ParamsArgIndex >= 0) // 存在可变入参参数
{
var paramsArgType = MethodDetails.ParameterDetailss[MethodDetails.ParamsArgIndex].DataType; // 获取可变参数的参数类型
int paramsLength = MethodDetails.ParameterDetailss.Length - MethodDetails.ParamsArgIndex; // 可变参数数组长度 = 方法参数个数 - （ 可选入参下标 + 1 ）
paramsArgs = Array.CreateInstance(paramsArgType, paramsLength);// 可变参数
args = new object[MethodDetails.ParamsArgIndex + 1]; // 调用方法的入参数组
args[MethodDetails.ParamsArgIndex] = paramsArgs; // 如果存在可选参数，入参参数最后一项则为可变参数
}
else
{
// 不存在可选参数
args = new object[MethodDetails.ParameterDetailss.Length]; // 调用方法的入参数组
}
#endregion
// 常规参数的获取
for (int i = 0; i < args.Length; i++) {
var pd = MethodDetails.ParameterDetailss[i];
args[i] = await pd.ToMethodArgData(context); // 获取数据
}
// 可选参数的获取
if(MethodDetails.ParamsArgIndex >= 0)
{
for (int i = 0; i < paramsArgs.Length; i++)
{
var pd = MethodDetails.ParameterDetailss[paramsArgIndex + i];
var data = await pd.ToMethodArgData(context); // 获取数据
paramsArgs.SetValue(data, i);// 设置到数组中
}
args[args.Length - 1] = paramsArgs;
}
return args;
}
/// <summary>
/// 检查监视表达式是否生效
/// </summary>
/// <param name="context">上下文</param>
/// <param name="nodeModel">节点Moel</param>
/// <param name="newData">新的数据</param>
/// <returns></returns>
public static async Task CheckExpInterrupt(IDynamicContext context, NodeModelBase nodeModel, object newData = null)
{
string guid = nodeModel.Guid;
context.AddOrUpdate(guid, newData); // 上下文中更新数据
if (newData is null)
{
}
else
{
await MonitorObjExpInterrupt(context, nodeModel, newData, 0); // 首先监视对象
await MonitorObjExpInterrupt(context, nodeModel, newData, 1); // 然后监视节点
//nodeModel.FlowData = newData; // 替换数据
}
}
private static async Task MonitorObjExpInterrupt(IDynamicContext context, NodeModelBase nodeModel, object data, int monitorType)
{
MonitorObjectEventArgs.ObjSourceType sourceType;
string key;
if (monitorType == 0)
{
key = data?.GetType()?.FullName;
sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
}
else
{
key = nodeModel.Guid;
sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
}
if (string.IsNullOrEmpty(key))
{
return;
}
//(var isMonitor, var exps) = await context.Env.CheckObjMonitorStateAsync(key);
//if (isMonitor) // 如果新的数据处于查看状态，通知UI进行更新？交给运行环境判断？
//{
// context.Env.MonitorObjectNotification(nodeModel.Guid, data, sourceType); // 对象处于监视状态，通知UI更新数据显示
// if (exps.Length > 0)
// {
// // 表达式环境下判断是否需要执行中断
// bool isExpInterrupt = false;
// string exp = "";
// // 判断执行监视表达式，直到为 true 时退出
// for (int i = 0; i < exps.Length && !isExpInterrupt; i++)
// {
// exp = exps[i];
// if (string.IsNullOrEmpty(exp)) continue;
// // isExpInterrupt = SereinConditionParser.To(data, exp);
// }
// if (isExpInterrupt) // 触发中断
// {
// nodeModel.DebugSetting.IsInterrupt = true;
// if (await context.Env.SetNodeInterruptAsync(nodeModel.Guid,true))
// {
// context.Env.TriggerInterrupt(nodeModel.Guid, exp, InterruptTriggerEventArgs.InterruptTriggerType.Exp);
// var cancelType = await nodeModel.DebugSetting.GetInterruptTask();
// await Console.Out.WriteLineAsync($"[{data}]中断已{cancelType}，开始执行后继分支");
// nodeModel.DebugSetting.IsInterrupt = false;
// }
// }
// }
//}
}
#endregion
}
#if false
public static class NodeModelExtension
{
/// <summary>
/// 程序集更新，更新节点方法描述、以及所有入参描述的类型
/// </summary>
/// <param name="nodeModel">节点Model</param>
/// <param name="newMd">新的方法描述</param>
public static void UploadMethod(this NodeModelBase nodeModel, MethodDetails newMd)
{
var thisMd = nodeModel.MethodDetails;
thisMd.ActingInstanceType = newMd.ActingInstanceType; // 更新方法需要的类型
var thisPds = thisMd.ParameterDetailss;
var newPds = newMd.ParameterDetailss;
// 当前存在可变参数，且新的方法也存在可变参数，需要把可变参数的数目与值传递过去
if (thisMd.HasParamsArg && newMd.HasParamsArg)
{
int paramsLength = thisPds.Length - thisMd.ParamsArgIndex - 1; // 确定扩容长度
newMd.ParameterDetailss = ArrayHelper.Expansion(newPds, paramsLength);// 为新方法的入参参数描述进行扩容
newPds = newMd.ParameterDetailss;
int index = newMd.ParamsArgIndex; // 记录
var templatePd = newPds[newMd.ParamsArgIndex]; // 新的入参模板
for (int i = thisMd.ParamsArgIndex; i < thisPds.Length; i++)
{
ParameterDetails thisPd = thisPds[i];
var newPd = templatePd.CloneOfModel(nodeModel); // 复制参数描述
newPd.Index = i + 1; // 更新索引
newPd.IsParams = true;
newPd.DataValue = thisPd.DataValue; // 保留参数值
newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
newPds[index++] = newPd;
}
}
var thidPdLength = thisMd.HasParamsArg ? thisMd.ParamsArgIndex : thisPds.Length;
// 遍历当前的参数描述（不包含可变参数），找到匹配项，复制必要的数据进行保留
for (int i = 0; i < thisPds.Length; i++)
{
ParameterDetails thisPd = thisPds[i];
var newPd = newPds.FirstOrDefault(t_newPd => !t_newPd.IsParams // 不为可变参数
&& t_newPd.Name.Equals(thisPd.Name, StringComparison.OrdinalIgnoreCase) // 存在相同名称
&& t_newPd.DataType.Name.Equals(thisPd.DataType.Name) // 存在相同入参类型名称（以类型作为区分）
);
if (newPd != null) // 如果匹配上了
{
newPd.DataValue = thisPd.DataValue; // 保留参数值
newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
}
}
thisMd.ReturnType = newMd.ReturnType;
nodeModel.MethodDetails = newMd;
}
}
#endif
}

54
Library/FlowNode/ParameterDetails.cs
View File

@@ -5,6 +5,7 @@ using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
namespace Serein.Library
@@ -237,6 +238,7 @@ namespace Serein.Library
// 需要获取预入参数据
object inputParameter;
#region （默认的）从运行时上游节点获取其返回值
if (ArgDataSourceType == ConnectionArgSourceType.GetPreviousNodeData)
{
var previousNode = context.GetPreviousNode(nodeModel);
@@ -246,40 +248,32 @@ namespace Serein.Library
}
else
{
inputParameter = context.GetFlowData(previousNode.Guid); // 当前传递的数据
inputParameter = context.GetFlowData(previousNode).Value; // 当前传递的数据
}
}
#endregion
#region 从指定节点获取其返回值
else if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeData)
{
// 获取指定节点的数据
// 如果指定节点没有被执行，会返回null
// 如果执行过，会获取上一次执行结果作为预入参数据
inputParameter = context.GetFlowData(ArgDataSourceNodeGuid);
}
#endregion
#region 立刻执行指定节点，然后获取返回值
else if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeDataOfInvoke)
{
// 立刻调用对应节点获取数据。
try
{
var result = await env.InvokeNodeAsync(context, ArgDataSourceNodeGuid);
inputParameter = result;
}
catch (Exception ex)
{
context.NextOrientation = ConnectionInvokeType.IsError;
context.ExceptionOfRuning = ex;
throw;
}
}
#endregion
#region 意料之外的参数
else
{
throw new Exception("节点执行方法获取入参参数时，ConnectionArgSourceType枚举是意外的枚举值");
if(!env.TryGetNodeModel(ArgDataSourceNodeGuid, out var argSourceNodeModel))
{
throw new Exception($"[arg{Index}][{Name}][{DataType}]需要节点[{ArgDataSourceNodeGuid}]的参数，但节点不存在");
}
if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeData)
{
inputParameter = context.GetFlowData(argSourceNodeModel).Value;
}
else if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeDataOfInvoke)
{
// 立刻调用对应节点获取数据。
var cts = new CancellationTokenSource();
var result = await argSourceNodeModel.ExecutingAsync(context, cts.Token);
cts?.Cancel();
cts?.Dispose();
inputParameter = result.Value;
}
else
{
throw new Exception("节点执行方法获取入参参数时，ConnectionArgSourceType枚举是意外的枚举值");
}
}
#endregion
#region 判断是否执行表达式

103
Library/Utils/ConvertHelper.cs
View File

@@ -14,6 +14,109 @@ namespace Serein.Library.Utils
/// </summary>
public static class ConvertHelper
{
/// <summary>
/// 字面量转为对应类型
/// </summary>
/// <param name="valueStr"></param>
/// <returns></returns>
public static Type ToTypeOfString(this string valueStr)
{
if (valueStr.IndexOf('.') != -1)
{
// 通过指定的类型名称获取类型
return Type.GetType(valueStr);
}
if (valueStr.Equals("bool", StringComparison.OrdinalIgnoreCase))
{
return typeof(bool);
}
#region 整数型
else if (valueStr.Equals("sbyte", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(SByte), StringComparison.OrdinalIgnoreCase))
{
return typeof(SByte);
}
else if (valueStr.Equals("short", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int16), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int16);
}
else if (valueStr.Equals("int", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int32), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int32);
}
else if (valueStr.Equals("long", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Int64), StringComparison.OrdinalIgnoreCase))
{
return typeof(Int64);
}
else if (valueStr.Equals("byte", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Byte), StringComparison.OrdinalIgnoreCase))
{
return typeof(Byte);
}
else if (valueStr.Equals("ushort", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt16), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt16);
}
else if (valueStr.Equals("uint", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt32), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt32);
}
else if (valueStr.Equals("ulong", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(UInt64), StringComparison.OrdinalIgnoreCase))
{
return typeof(UInt64);
}
#endregion
#region 浮点型
else if (valueStr.Equals("float", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Single), StringComparison.OrdinalIgnoreCase))
{
return typeof(Single);
}
else if (valueStr.Equals("double", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Double), StringComparison.OrdinalIgnoreCase))
{
return typeof(Double);
}
#endregion
#region 小数型
else if (valueStr.Equals("decimal", StringComparison.OrdinalIgnoreCase)
|| valueStr.Equals(nameof(Decimal), StringComparison.OrdinalIgnoreCase))
{
return typeof(Decimal);
}
#endregion
#region 其他常见的类型
else if (valueStr.Equals(nameof(DateTime), StringComparison.OrdinalIgnoreCase))
{
return typeof(DateTime);
}
else if (valueStr.Equals(nameof(String), StringComparison.OrdinalIgnoreCase))
{
return typeof(String);
}
#endregion
else
{
throw new ArgumentException($"无法解析的字面量类型[{valueStr}]");
}
}
/// <summary>
/// 对象转JSON文本