/// <summary>
/// Attempts to update context of disposable action stored in this field, Return <c>false</c> if the field is <c>null</c>.
/// </summary>
/// <param name="contextUpdater"></param>
/// <returns></returns>
public bool TryUpdateContext(Func <T, T> contextUpdater)
{
while (true)
{
var origin = Interlocked.CompareExchange(ref _field, _field, _field);
if (origin == null)
{
return(false);
}
var updatedContext = new AsynchronousDisposableAction <T>(origin, contextUpdater);
var ret = Interlocked.CompareExchange(ref _field, updatedContext, origin);
if (ReferenceEquals(origin, ret))
{
return(true);
}
}
}
/// <summary> /// Create a new disposable that executes dispose when disposed. /// </summary> /// <param name="disposableAction"></param> /// <returns></returns> public static AsynchronousAnonymousDisposableObject Create(AsynchronousDisposableAction disposableAction) => new AsynchronousAnonymousDisposableObject(disposableAction);
/// <summary>
/// Add dispose <see cref="Action"/>.
/// </summary>
/// <param name="disposableAction"></param>
public void Add(AsynchronousDisposableAction disposableAction)
{
Add(disposableAction?.InternalAction);
}
/// <summary>
/// Create a new <see cref="AsynchronousAnonymousDisposableObject"/> instance.
/// </summary>
/// <param name="disposableAction"></param>
public AsynchronousAnonymousDisposableObject(AsynchronousDisposableAction disposableAction) : base(disposableAction?.InternalAction)
{
}
/// <summary>
/// Create a new <see cref="AsynchronousDisposableActionField{T}"/> instance.
/// </summary>
/// <param name="action"></param>
/// <param name="context"></param>
public AsynchronousDisposableActionField(Func <T, ValueTask> action, T context)
{
_field = new AsynchronousDisposableAction <T>(action, context);
}
/// <summary>
/// Create a new <see cref="AsynchronousDisposableAction{T}"/> instance.
/// </summary>
/// <param name="originalDisposableAction"></param>
/// <param name="contextUpdater"></param>
public AsynchronousDisposableAction(AsynchronousDisposableAction <T> originalDisposableAction, Func <T, T> contextUpdater)
: base(originalDisposableAction.Action, originalDisposableAction.Context, contextUpdater)
{
}