/// <summary>
/// Unregisters the first <see cref="IActivityMonitorClient"/> from the <see cref="IActivityMonitorOutput.Clients"/> list
/// that satisfies the predicate.
/// </summary>
/// <param name="this">This <see cref="IActivityMonitorOutput"/>.</param>
/// <param name="predicate">A predicate that will be used to determine the first client to unregister.</param>
/// <returns>The unregistered client, or null if no client has been found.</returns>
public static T UnregisterClient <T>(this IActivityMonitorOutput @this, Func <T, bool> predicate) where T : IActivityMonitorClient
{
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
T c = @this.Clients.OfType <T>().Where(predicate).FirstOrDefault();
if (c != null)
{
@this.UnregisterClient(c);
}
return(c);
}
/// <summary>
/// Creates a strong bridge to another monitor's <see cref="ActivityMonitorBridgeTarget"/>.
/// Only one bridge to the same monitor can exist at a time: if <see cref="FindBridgeTo"/> is not null,
/// this throws a <see cref="InvalidOperationException"/>.
/// A strong bridge synchronizes <see cref="IActivityMonitor.AutoTags"/> and <see cref="IActivityMonitor.Topic"/> between the two monitors. When created, the 2 properties
/// of the local monitor are set to the ones of the target monitor.
/// </summary>
/// <param name="this">This <see cref="IActivityMonitorOutput"/>.</param>
/// <param name="targetBridge">The target bridge that will receive our logs.</param>
/// <returns>A <see cref="IDisposable"/> object that can be disposed to automatically call <see cref="UnbridgeTo"/>.</returns>
public static IDisposable CreateStrongBridgeTo(this IActivityMonitorOutput @this, ActivityMonitorBridgeTarget targetBridge)
{
if (targetBridge == null)
{
throw new ArgumentNullException("targetBridge");
}
if (@this.Clients.OfType <ActivityMonitorBridge>().Any(b => b.BridgeTarget == targetBridge))
{
throw new InvalidOperationException();
}
var created = @this.RegisterClient(new ActivityMonitorBridge(targetBridge, true, true));
return(Util.CreateDisposableAction(() => @this.UnregisterClient(created)));
}