public bool ObserveCancelation()
{
if (_cancelledState == CancelledState.NotCancelled)
{
return(false);
}
bool isPrerequested = _cancelledState == CancelledState.CancellationPreRequested;
if (_cancelledState >= CancelledState.CancellationPreRequested)
{
_cancelledState = CancelledState.CancellationObserved;
// Do not reset awaitable if we were not awaiting in the first place
if (!isPrerequested)
{
Reset();
}
_cancellationToken.ThrowIfCancellationRequested();
return(true);
}
return(false);
}
public PipeAwaitable(bool completed)
{
_cancellationToken = default(CancellationToken);
_cancellationTokenRegistration = default(CancellationTokenRegistration);
_cancelledState = CancelledState.NotCancelled;
_state = completed ? _awaitableIsCompleted : _awaitableIsNotCompleted;
}
public Action Cancel()
{
var action = Complete();
_cancelledState = action == null ?
CancelledState.CancellationPreRequested :
CancelledState.CancellationRequested;
return(action);
}
private Policy()
{
_cancelledState = new CancelledState(this);
_closedState = new ClosedState(this);
_openState = new OpenState(this);
_unwrittenState = new UnwrittenState(this);
_voidState = new VoidState(this);
State = _unwrittenState;
}
public bool ObserveCancelation()
{
if (_cancelledState == CancelledState.CancellationRequested)
{
_cancelledState = CancelledState.CancellationObserved;
return(true);
}
return(false);
}
public void Reset()
{
if (_state == _awaitableIsCompleted &&
_cancelledState != CancelledState.CancellationRequested)
{
_state = _awaitableIsNotCompleted;
}
// Change the state from observed -> not cancelled. We only want to reset the cancelled state if it was observed
if (_cancelledState == CancelledState.CancellationObserved)
{
_cancelledState = CancelledState.NotCancelled;
}
}
public void Reset()
{
if (ReferenceEquals(_state, _awaitableIsCompleted) &&
_cancelledState < CancelledState.CancellationPreRequested)
{
_state = _awaitableIsNotCompleted;
}
// Change the state from observed -> not cancelled.
// We only want to reset the cancelled state if it was observed
if (_cancelledState == CancelledState.CancellationObserved)
{
_cancelledState = CancelledState.NotCancelled;
}
}
public void State_pattern_test()
{
string TEST_POLICY_NUMBER = "007";
var testPolicy = new Policy(TEST_POLICY_NUMBER);
var testCancelledState = new CancelledState(testPolicy);
var testClosedState = new ClosedState(testPolicy);
var testOpenState = new OpenState(testPolicy);
var testUnwrittenState = new UnwrittenState(testPolicy);
var testVoidState = new VoidState(testPolicy);
//closing open policy
testOpenState.Close(DateTime.Now);
Assert.IsInstanceOfType(testPolicy.State, typeof(ClosedState));
}
public PipeAwaitable(bool completed)
{
_cancelledState = CancelledState.NotCancelled;
_state = completed ? _awaitableIsCompleted : _awaitableIsNotCompleted;
}
public Action Cancel()
{
_cancelledState = CancelledState.CancellationRequested;
return(Complete());
}
