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Complete rewrite - abstracted, reduced duplication, and modularized b…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| using System.Collections.Generic; | ||
| using LiquidState.Core; | ||
| using LiquidState.Synchronous.Core; | ||
|
|
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| namespace LiquidState.Awaitable.Core | ||
| { | ||
| public abstract class AbstractStateMachine<TState, TTrigger> : AbstractStateMachineCore<TState, TTrigger> | ||
| { | ||
| protected internal StateRepresentation<TState, TTrigger> CurrentStateRepresentation; | ||
| protected internal Dictionary<TState, StateRepresentation<TState, TTrigger>> Representations; | ||
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| public abstract void Fire<TArgument>(ParameterizedTrigger<TTrigger, TArgument> parameterizedTrigger, | ||
| TArgument argument); | ||
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| public abstract void Fire(TTrigger trigger); | ||
| public abstract void MoveToState(TState state, StateTransitionOption option = StateTransitionOption.Default); | ||
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| public override TState CurrentState | ||
| { | ||
| get { return CurrentStateRepresentation.State; } | ||
| } | ||
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| public override IEnumerable<TTrigger> CurrentPermittedTriggers | ||
| { | ||
| get | ||
| { | ||
| foreach (var triggerRepresentation in CurrentStateRepresentation.Triggers) | ||
| { | ||
| yield return triggerRepresentation.Trigger; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Threading; | ||
| using LiquidState.Common; | ||
|
|
||
| namespace LiquidState.Core | ||
| { | ||
| public abstract class AbstractStateMachineCore<TState, TTrigger> : IStateMachineCore<TState, TTrigger> | ||
| { | ||
| public event Action<TriggerStateEventArgs<TState, TTrigger>> UnhandledTrigger; | ||
| public event Action<TransitionEventArgs<TState, TTrigger>> InvalidState; | ||
| public event Action<TransitionEventArgs<TState, TTrigger>> TransitionStarted; | ||
| public event Action<TransitionExecutedEventArgs<TState, TTrigger>> TransitionExecuted; | ||
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| public void Pause() | ||
| { | ||
| Interlocked.Exchange(ref isEnabled, 0); | ||
| } | ||
|
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| public void Resume() | ||
| { | ||
| Interlocked.Exchange(ref isEnabled, 1); | ||
| } | ||
|
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| private int isEnabled = 1; | ||
|
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| public abstract IEnumerable<TTrigger> CurrentPermittedTriggers { get; } | ||
| public abstract TState CurrentState { get; } | ||
|
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| public bool IsEnabled | ||
| { | ||
| get { return Interlocked.CompareExchange(ref isEnabled, -1, -1) == 1; } | ||
| } | ||
|
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| public void RaiseInvalidTrigger(TTrigger trigger) | ||
| { | ||
| var handler = UnhandledTrigger; | ||
| if (handler != null) handler.Invoke(new TriggerStateEventArgs<TState, TTrigger>(CurrentState, trigger)); | ||
| } | ||
|
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| public void RaiseInvalidState(TState targetState) | ||
| { | ||
| var handler = InvalidState; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionEventArgs<TState, TTrigger>(CurrentState, targetState)); | ||
| } | ||
|
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| public void RaiseInvalidState(TState targetState, TTrigger trigger) | ||
| { | ||
| var handler = InvalidState; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionEventArgs<TState, TTrigger>(CurrentState, targetState, trigger)); | ||
| } | ||
|
|
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| public void RaiseTransitionStarted(TState targetState) | ||
| { | ||
| var handler = TransitionStarted; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionEventArgs<TState, TTrigger>(CurrentState, targetState)); | ||
| } | ||
|
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|
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| public void RaiseTransitionStarted(TState targetState, TTrigger trigger) | ||
| { | ||
| var handler = TransitionStarted; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionEventArgs<TState, TTrigger>(CurrentState, targetState, trigger)); | ||
| } | ||
|
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| public void RaiseTransitionExecuted(TState pastState) | ||
| { | ||
| var handler = TransitionExecuted; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionExecutedEventArgs<TState, TTrigger>(CurrentState, pastState)); | ||
| } | ||
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| public void RaiseTransitionExecuted(TState pastState, TTrigger trigger) | ||
| { | ||
| var handler = TransitionExecuted; | ||
| if (handler != null) | ||
| handler.Invoke(new TransitionExecutedEventArgs<TState, TTrigger>(CurrentState, pastState, trigger)); | ||
| } | ||
| } | ||
| } |
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