/// <summary>
/// This method returns an enumerable view of the bag, and returns it to
/// an internal pool for reuse by GetOrCreate().
///
/// It is not thread safe.
///
/// It should only be called once the bag is finished being mutated.
/// </summary>
public ProfiledCommandEnumerable EnumerateAndReturnForReuse()
{
var ret = new ProfiledCommandEnumerable(Head);
ReturnForReuse();
return(ret);
}
/// <summary>
/// Removes a context, setting all commands to a (non-thread safe) enumerable of
/// all the commands attached to that context.
///
/// If the context was never registered, will return false and set commands to null.
///
/// Subsequent calls to TryRemove with the same context will return false unless it is
/// re-registered with TryCreate.
/// </summary>
/// <param name="ctx">The context to remove for.</param>
/// <param name="commands">The commands to remove.</param>
public bool TryRemove(object ctx, out ProfiledCommandEnumerable commands)
{
var cell = ProfileContextCell.ToLookupBy(ctx);
if (!profiledCommands.TryRemove(cell, out ConcurrentProfileStorageCollection storage))
{
commands = default(ProfiledCommandEnumerable);
return(false);
}
commands = storage.EnumerateAndReturnForReuse();
return(true);
}