/// <summary>
/// Saves the state of the system to a store.
/// </summary>
/// <param name="this">System whose state will be saved.</param>
/// <param name="writer">Writer to save state to.</param>
/// <param name="progress">Progress indicator reporting progress percentages.</param>
/// <returns>Task to observe the eventual completion of the operation.</returns>
public static Task CheckpointAsync(this ICheckpointable @this, IStateWriter writer, IProgress <int> progress)
{
if (@this == null)
{
throw new ArgumentNullException(nameof(@this));
}
return(@this.CheckpointAsync(writer, CancellationToken.None, progress));
}
/// <summary>
/// Recovers the state of the system from a store.
/// </summary>
/// <param name="this">System whose state will be loaded.</param>
/// <param name="reader">Reader to load state from.</param>
/// <param name="token">Cancellation token to observe cancellation requests.</param>
/// <returns>Task to observe the eventual completion of the operation.</returns>
public static Task RecoverAsync(this ICheckpointable @this, IStateReader reader, CancellationToken token)
{
if (@this == null)
{
throw new ArgumentNullException(nameof(@this));
}
return(@this.RecoverAsync(reader, token, progress: null));
}
/// <summary>
/// Unloads the system.
/// </summary>
/// <param name="this">System that will be unloaded.</param>
/// <returns>Task to observe the eventual completion of the operation.</returns>
public static Task UnloadAsync(this ICheckpointable @this)
{
if (@this == null)
{
throw new ArgumentNullException(nameof(@this));
}
return(@this.UnloadAsync(progress: null));
}
