/// <summary>
/// @see IFlow#Resume .
/// </summary>
/// <param name="stateName"></param>
/// <param name="executor"></param>
/// <returns></returns>
/// <exception cref="FlowExecutionException"> </exception>
public FlowExecution Resume(string stateName, IFlowExecutor executor)
{
FlowExecutionStatus status = FlowExecutionStatus.Unkown;
IState state;
_stateMap.TryGetValue(stateName, out state);
if (Logger.IsDebugEnabled)
{
Logger.Debug("Resuming state={0} with status={1}", stateName, status);
}
StepExecution stepExecution = null;
String currentStateName = stateName;
// Terminate if there are no more states
while (IsFlowContinued(state, status, stepExecution))
{
currentStateName = state.GetName();
try
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("Handling state={0}", currentStateName);
}
status = state.Handle(executor);
stepExecution = executor.GetStepExecution();
}
catch (FlowExecutionException)
{
executor.Close(new FlowExecution(currentStateName, status));
throw;
}
catch (Exception e)
{
executor.Close(new FlowExecution(currentStateName, status));
throw new FlowExecutionException(
string.Format("Ended flow={0} at state={1} with exception", Name, currentStateName), e);
}
if (Logger.IsDebugEnabled)
{
Logger.Debug("Completed state={0} with status={1}", currentStateName, status);
}
state = NextState(currentStateName, status, stepExecution);
}
FlowExecution result = new FlowExecution(currentStateName, status);
executor.Close(result);
return(result);
}
/// <summary>
/// Returns the FlowExecutionStatus stored.
/// @see IState#Handle
/// </summary>
/// <param name="executor"></param>
/// <returns></returns>
/// <exception cref="Exception"> </exception>
public override FlowExecutionStatus Handle(IFlowExecutor executor)
{
lock (executor)
{
// Special case. If the last step execution could not complete we
// are in an unknown state (possibly unrecoverable).
StepExecution stepExecution = executor.GetStepExecution();
if (stepExecution != null && executor.GetStepExecution().BatchStatus == BatchStatus.Unknown)
{
return(FlowExecutionStatus.Unkown);
}
if (Status.IsStop())
{
if (!executor.IsRestart())
{
//If there are step executions, then we are not at the
// beginning of a restart.
if (Abandon)
{
// Only if instructed to do so, upgrade the status of
// last step execution so it is not replayed on a
// restart...
executor.AbandonStepExecution();
}
}
else
{
// If we are a stop state and we got this far then it must
// be a restart, so return COMPLETED.
return(FlowExecutionStatus.Completed);
}
}
SetExitStatus(executor, Code);
return(Status);
}
}
/// <summary>
/// @see IFlow#Resume .
/// </summary>
/// <param name="stateName"></param>
/// <param name="executor"></param>
/// <returns></returns>
/// <exception cref="FlowExecutionException"></exception>
public FlowExecution Resume(string stateName, IFlowExecutor executor)
{
FlowExecutionStatus status = FlowExecutionStatus.Unkown;
IState state;
_stateMap.TryGetValue(stateName, out state);
if (Logger.IsDebugEnabled)
{
Logger.Debug("Resuming state={0} with status={1}", stateName, status);
}
StepExecution stepExecution = null;
String currentStateName = stateName;
// Terminate if there are no more states
while (IsFlowContinued(state, status, stepExecution))
{
currentStateName = state.GetName();
try
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("Handling state={0}", currentStateName);
}
status = state.Handle(executor);
stepExecution = executor.GetStepExecution();
}
catch (FlowExecutionException)
{
executor.Close(new FlowExecution(currentStateName, status));
throw;
}
catch (Exception e)
{
executor.Close(new FlowExecution(currentStateName, status));
throw new FlowExecutionException(
string.Format("Ended flow={0} at state={1} with exception", Name, currentStateName), e);
}
if (Logger.IsDebugEnabled)
{
Logger.Debug("Completed state={0} with status={1}", currentStateName, status);
}
state = NextState(currentStateName, status, stepExecution);
}
FlowExecution result = new FlowExecution(currentStateName, status);
executor.Close(result);
return result;
}
/// <summary>
/// Returns the FlowExecutionStatus stored.
/// @see IState#Handle
/// </summary>
/// <param name="executor"></param>
/// <returns></returns>
/// <exception cref="Exception"> </exception>
public override FlowExecutionStatus Handle(IFlowExecutor executor)
{
lock (executor)
{
// Special case. If the last step execution could not complete we
// are in an unknown state (possibly unrecoverable).
StepExecution stepExecution = executor.GetStepExecution();
if (stepExecution != null && executor.GetStepExecution().BatchStatus == BatchStatus.Unknown)
{
return FlowExecutionStatus.Unkown;
}
if (Status.IsStop())
{
if (!executor.IsRestart())
{
//If there are step executions, then we are not at the
// beginning of a restart.
if (Abandon)
{
// Only if instructed to do so, upgrade the status of
// last step execution so it is not replayed on a
// restart...
executor.AbandonStepExecution();
}
}
else
{
// If we are a stop state and we got this far then it must
// be a restart, so return COMPLETED.
return FlowExecutionStatus.Completed;
}
}
SetExitStatus(executor, Code);
return Status;
}
}
