public async Task MoveToState(TState state, StateTransitionOption option = StateTransitionOption.Default)
{
if (!IsEnabled)
{
return;
}
var flag = true;
queueMonitor.Enter();
if (machine.Monitor.TryEnter())
{
if (queueCount == 0)
{
queueMonitor.Exit();
flag = false;
try
{
await machine.MoveToStateInternal(state, option);
}
finally
{
queueMonitor.Enter();
if (queueCount > 0)
{
queueMonitor.Exit();
var _ = StartQueueIfNecessaryAsync(true);
// Should not exit monitor here. Its handled by the process queue.
}
else
{
queueMonitor.Exit();
machine.Monitor.Exit();
}
}
}
}
if (flag)
{
var tcs = new TaskCompletionSource <bool>();
actionsQueue = actionsQueue.Enqueue(async() =>
{
try
{
await machine.MoveToStateInternal(state, option);
tcs.TrySetResult(true);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
});
queueCount++;
queueMonitor.Exit();
var _ = StartQueueIfNecessaryAsync();
await tcs.Task;
}
}
public Task MoveToState(TState state, StateTransitionOption option = StateTransitionOption.Default)
{
return(!IsEnabled
? Task.FromResult(false)
: RunOnScheduler(() => machine.MoveToStateInternal(state, option)));
}
