override public IntrospectWiringInfo introspectWiring(OperatorInstance instance, int[] inputIndices)
{
Operator.IntrospectWiringInfo wiringInfo;
wiringInfo = new IntrospectWiringInfo();
wiringInfo.type = IntrospectWiringInfo.EnumType.VALIDWIRING;
wiringInfo.ouputIndices = new int[inputIndices.Length];
// NOTE< we let the environemnt catch all indexing errors >
// maybe this is not good
int i;
for (i = 0; i < inputIndices.Length; i++)
{
int queriedIndex = inputIndices[i];
System.Diagnostics.Debug.Assert(instance.constants[queriedIndex].type == Datastructures.Variadic.EnumType.INT);
int resultIndex = instance.constants[queriedIndex].valueInt;
wiringInfo.ouputIndices[i] = resultIndex;
}
return(wiringInfo);
}
override public void setParameterOperatorInstances(OperatorInstance instance, List <OperatorInstance> parameterInstances)
{
System.Diagnostics.Debug.Assert(parameterInstances.Count == 1);
instance.constants = new Variadic[1];
instance.constants[0] = parameterInstances[0].constants[0];
}
override public IntrospectWiringInfo introspectWiring(OperatorInstance instance, int[] inputIndices)
{
IntrospectWiringInfo result;
result = new IntrospectWiringInfo();
result.type = IntrospectWiringInfo.EnumType.NOWIRING;
return(result);
}
override public void setParameterOperatorInstances(OperatorInstance instance, List <OperatorInstance> parameterInstances)
{
if (parameterInstances.Count != 2)
{
throw new Exception("OperatorAdd: The must be only two parameterInstances!");
}
instance.calleeOperatorInstances = new OperatorInstance[2];
instance.calleeOperatorInstances[0] = parameterInstances[0];
instance.calleeOperatorInstances[1] = parameterInstances[1];
}
override public ExecutionResult executeSingleStep(OperatorInstance instance)
{
EnumOperationState operationState;
operationState = (EnumOperationState)instance.operationState;
if (operationState == EnumOperationState.EXECUTELEFTOPERAND)
{
return(Operator.ExecutionResult.createExecuteInstance(instance.calleeOperatorInstances[0]));
}
else if (operationState == EnumOperationState.EXECUTERIGHTOPERAND)
{
return(Operator.ExecutionResult.createExecuteInstance(instance.calleeOperatorInstances[1]));
}
else // operationState == EnumOperationState.execute
{
bool resultAsFloat;
Variadic resultVariadic;
resultVariadic = null;
resultAsFloat = instance.calleeResults[0].type == Variadic.EnumType.FLOAT || instance.calleeResults[1].type == Variadic.EnumType.FLOAT;
if (resultAsFloat)
{
float a, b, floatResult;
a = getVariadicAsFloat(instance.calleeResults[0]);
b = getVariadicAsFloat(instance.calleeResults[1]);
floatResult = a + b;
resultVariadic = new Variadic(Variadic.EnumType.FLOAT);
resultVariadic.valueFloat = floatResult;
}
else
{
int a, b, intResult;
a = instance.calleeResults[0].valueInt;
b = instance.calleeResults[1].valueInt;
intResult = a + b;
resultVariadic = new Variadic(Variadic.EnumType.INT);
resultVariadic.valueInt = intResult;
}
return(ExecutionResult.createResultInstance(resultVariadic));
}
}
override public void operationCleanup(OperatorInstance instance);
// gets called from the executive if a (requested execution) operator(instance) was executed override public void feedOperatorInstanceResult(OperatorInstance instance, Variadic result);
override public ExecutionResult executeSingleStep(OperatorInstance instance);
override public void initializeOperatorInstance(OperatorInstance instance);
override public void setParameterOperatorInstances(OperatorInstance instance, List <OperatorInstance> parameterInstances);
override public IntrospectWiringInfo introspectWiring(OperatorInstance instance, int[] inputIndices)
{
throw new NotImplementedException();
}
override public ExecutionResult executeSingleStep(OperatorInstance instance)
{
return(ExecutionResult.createResultInstance(instance.constants[0]));
}
// gets called from the executive if a (requested execution) operator(instance) was executed
override public void feedOperatorInstanceResult(OperatorInstance instance, Variadic result)
{
instance.calleeResults.Add(result);
instance.operationState++;
}
override public void initializeOperatorInstance(OperatorInstance instance)
{
instance.calleeResults = new List <Variadic>();
}
/**//// <summary>
/// 提交流程
/// </summary>
/// <param name="userid"></param>
/// <param name="operatorInsId"></param>
/// <param name="commandName"></param>
public string Run(string userid, string operatorInsId, string commandName)
{
if (string.IsNullOrEmpty(userid)) return WorkFlowConst.IsNullUserIdCode;
if (string.IsNullOrEmpty(operatorInsId)) return WorkFlowConst.IsNullOperatorInsIdCode;
if (string.IsNullOrEmpty(commandName)) return WorkFlowConst.IsNullCommandNameCode;
DataTable operdt = OperatorInstance.GetOperatorInstance(operatorInsId);
if (operdt != null && operdt.Rows.Count > 0)
{
WorkFlowId = operdt.Rows[0]["workflowId"].ToString();
WorkTaskId = operdt.Rows[0]["WorkTaskId"].ToString();
WorkFlowInstanceId = operdt.Rows[0]["workflowInsId"].ToString();
WorkTaskInstanceId = operdt.Rows[0]["worktaskInsId"].ToString();
UserId = userid;
OperatorInstanceId = operatorInsId;
CommandName = commandName;
return Run();
}
else
{
return WorkFlowConst.NoFoundInstanceCode;
}
}
/**//// <summary>
/// 启动流程，草稿和启动两种状态
/// </summary>
public string Start()
{
try
{
if (string.IsNullOrEmpty(WorkFlowInstanceId))
WorkFlowInstanceId = Guid.NewGuid().ToString();
if (string.IsNullOrEmpty(WorkTaskInstanceId))
WorkTaskInstanceId = Guid.NewGuid().ToString();
if (string.IsNullOrEmpty(OperatorInstanceId))
OperatorInstanceId = Guid.NewGuid().ToString();
if (string.IsNullOrEmpty(UserId)) return WorkFlowConst.IsNullUserIdCode;
if (string.IsNullOrEmpty(WorkFlowId)) return WorkFlowConst.IsNullWorkFlowIdCode;
if (string.IsNullOrEmpty(WorkTaskId)) return WorkFlowConst.IsNullWorkTaskIdCode;
if (string.IsNullOrEmpty(CommandName)) return WorkFlowConst.IsNullCommandNameCode;
if (string.IsNullOrEmpty(WorkFlowNo)) return WorkFlowConst.IsNullWorkFlowNoCode;
if (string.IsNullOrEmpty(WorkflowInsCaption)) return WorkFlowConst.IsNullWorkflowInsCaption;
if (WorkFlowHelper.isTaskInsCompleted(WorkTaskInstanceId)) return WorkFlowConst.InstanceIsCompletedCode;//流程实例已完成，不能重复提交
//检查是否已经保存过草稿。如果已经保存过则不需要再创建实例，只保存业务表单数据,
//此处的处理与交互节点的处理不同，需要加判断。
if (WorkTaskInstance.Exists(WorkTaskInstanceId)==false)//实例不存在，说明未保存过
{
//创建流程实例
WorkFlowInstance workflowInstance = new WorkFlowInstance();
workflowInstance.WorkflowId = WorkFlowId;
workflowInstance.WorkflowInsId = WorkFlowInstanceId;
workflowInstance.WorkflowNo = WorkFlowNo;
workflowInstance.WorkflowInsCaption = WorkflowInsCaption;
workflowInstance.Description = Description;
workflowInstance.Priority = Priority;
if (IsDraft) workflowInstance.Status = "1";
else
workflowInstance.Status = Status;
workflowInstance.NowTaskId = WorkTaskId;//当前流程所处流程模板的位置
workflowInstance.isSubWorkflow = isSubWorkflow;
workflowInstance.MainWorkflowInsId = MainWorkflowInsId;
workflowInstance.MainWorktaskId = MainWorktaskId;
workflowInstance.MainWorkflowId = MainWorkflowId;
workflowInstance.MainWorktaskInsId = MainWorktaskInsId;
workflowInstance.Create();
//创建启动节点的任务实例
WorkTaskInstance workTaskInstance = new WorkTaskInstance();
workTaskInstance.WorkflowId = WorkFlowId;
workTaskInstance.WorktaskId = WorkTaskId;
workTaskInstance.WorkflowInsId = WorkFlowInstanceId;
workTaskInstance.WorktaskInsId = WorkTaskInstanceId;
workTaskInstance.TaskInsCaption = WorkFlowTask.GetTaskCaption(WorkTaskId);
if (isSubWorkflow)//是子流程调用，需要放到未认领任务中
{
//workTaskInstance.PreviousTaskId = WorkTaskInstanceId;
workTaskInstance.PreviousTaskId = MainWorktaskInsId;
workTaskInstance.Status = "1";
}
else//不是子流程调用,启动节点直接放入已认领任务中
{
workTaskInstance.PreviousTaskId = WorkTaskInstanceId;//开始节点的前一节点等于自己
if (IsDraft) workTaskInstance.Status = "1";
else
workTaskInstance.Status = "2";
}
workTaskInstance.Create();
//创建启动节点的处理人实例
OperatorInstance operatorInstance = new OperatorInstance();
operatorInstance.OperatorInsId = OperatorInstanceId;
operatorInstance.WorkflowId = WorkFlowId;
operatorInstance.WorktaskId = WorkTaskId;
operatorInstance.WorkflowInsId = WorkFlowInstanceId;
operatorInstance.WorktaskInsId = WorkTaskInstanceId;
operatorInstance.UserId = UserId;
operatorInstance.OperRealtion = 0;
operatorInstance.OperContent = UserId;
string userName = UserData.GetUserNameById(UserId);
if (string.IsNullOrEmpty(userName))
userName = "******";
operatorInstance.OperContentText = userName;
operatorInstance.OperType = 3;
if (isSubWorkflow)//是子流程调用，需要放到未认领任务中
operatorInstance.OperStatus = "0";
else//不是子流程调用,启动节点直接放入已认领任务中
{
if (IsDraft) operatorInstance.OperStatus = "0";
else
operatorInstance.OperStatus = "3";
}
operatorInstance.Create();
}
if (!IsDraft)//不是草稿状态，提交任务
{
string result= WorkFlowHelper.CreateNextTaskInstance(UserId, WorkFlowId, WorkTaskId, WorkFlowInstanceId, WorkTaskInstanceId, OperatorInstanceId, CommandName);
if (result != WorkFlowConst.SuccessCode)
{
WorkFlowEventArgs e = new WorkFlowEventArgs(this);
e.ResultMsg = result;
OnRunFail(this, e);
return result;
}
else
{
WorkFlowEventArgs e = new WorkFlowEventArgs(this);
e.ResultMsg = WorkFlowConst.SuccessMsg;
OnRunSuccess(this, e);
}
}
return WorkFlowConst.SuccessCode;
}
catch (Exception ex)
{
string msg = string.Format(WorkFlowConst.EngineErrorMsg, ex.Message);
WorkFlowEventArgs e = new WorkFlowEventArgs(this);
e.ResultMsg = msg;
OnRunFail(this, e);
return WorkFlowConst.OtherErrorCode;
}
}