private bool CheckCondition(ExecutionRequestParameters parameters)
{
if (parameters.ConditionType != ConditionType.Action || parameters.ConditionMethod == null ||
parameters.ConditionMethod.OutputParameters.Count() != 1)
{
throw new InvalidOperationException();
}
if (ConsiderResultOnPreExecution && parameters.ConditionResultOnPreExecution.HasValue)
{
return(parameters.ConditionResultOnPreExecution.Value);
}
var response = ExecutionResponseParameters.Create(parameters.ProcessId, parameters.ActivityName, parameters.ParameterContainer);
ExecuteMethod(parameters.ConditionMethod, response, parameters.ParameterContainer);
var result = response.ParameterContainer.SingleOrDefault(p => p.Name == DefaultDefinitions.ParameterConditionResult.Name);
if (result == null || result.Value == null || !(result.Value is bool))
{
throw new InvalidOperationException();
}
return((bool)result.Value);
}
private static ExecutionResponseParameters GetExecutionResponseErrorParameters(ExecutionRequestParameters always,
Exception ex)
{
var errorResponse = string.IsNullOrEmpty(always.TransitionName)
? ExecutionResponseParameters.Create(always.ProcessId, always.ActivityName, ex)
: ExecutionResponseParameters.Create(always.ProcessId, always.ActivityName,
always.TransitionName, ex);
return(errorResponse);
}
private ExecutionResponseParameters ExecuteMethod(ExecutionRequestParameters parameters)
{
var response = string.IsNullOrEmpty(parameters.TransitionName)
? ExecutionResponseParameters.Create(parameters.ProcessId, parameters.ActivityName, parameters.ParameterContainer)
: ExecutionResponseParameters.Create(parameters.ProcessId, parameters.ActivityName, parameters.TransitionName, parameters.ParameterContainer);
foreach (var method in parameters.Methods.OrderBy(m => m.Order))
{
ExecuteMethod(method, response, response.ParameterContainer);
}
return(response);
}
public ExecutionResponseEventArgs(ExecutionResponseParameters parameters)
{
Parameters = parameters;
}
public ExecutionResponseEventArgs(ExecutionResponseParameters parameters)
{
this.Parameters = parameters;
}
private bool PreExecuteProcessResponse(ProcessInstance processInstance, ExecutionResponseParameters response)
{
if (response.IsEmplty)
return true;
if (!response.IsError)
FillParameters(processInstance, response as ExecutionResponseParametersComplete);
else
{
throw (response as ExecutionResponseParametersError).Exception;
}
return false;
}
private bool PreExecuteProcessResponse(ExecutionResponseParameters response)
{
if (response.IsEmplty)
{
return true;
}
if (response.IsError)
{
throw (response as ExecutionResponseParametersError).Exception;
}
return false;
}
