public async Task OnCommandAsync(IInvalidateCommand command, CommandContext context, CancellationToken cancellationToken)
{
var skip = !IsEnabled ||
!InvalidationInfoProvider.RequiresInvalidation(command.UntypedCommand) ||
Computed.IsInvalidating();
if (skip)
{
await context.InvokeRemainingHandlersAsync(cancellationToken).ConfigureAwait(false);
return;
}
using var _ = Computed.Invalidate();
var finalHandler = context.ExecutionState.FindFinalHandler();
if (finalHandler != null)
{
if (Log.IsEnabled(LogLevel.Debug))
{
Log.LogDebug("Invalidating via dedicated command handler: {0}", command);
}
await context.InvokeRemainingHandlersAsync(cancellationToken).ConfigureAwait(false);
}
else
{
if (Log.IsEnabled(LogLevel.Debug))
{
Log.LogDebug("Invalidating via shared command handler: {0}", command);
}
await context.Commander.RunAsync(command.UntypedCommand, cancellationToken).ConfigureAwait(false);
}
}
public async Task OnCommandAsync(IInvalidateCommand command, CommandContext context, CancellationToken cancellationToken)
{
var skip = !IsEnabled ||
!InvalidationInfoProvider.RequiresInvalidation(command.UntypedCommand) ||
Computed.IsInvalidating();
if (skip)
{
await context.InvokeRemainingHandlersAsync(cancellationToken).ConfigureAwait(false);
return;
}
// Copying IOperation.Items to CommandContext.Items
var operation = command.Operation;
var operationItems = operation?.Items.Items;
if (operationItems != null)
{
foreach (var(key, value) in operationItems)
{
if (value is IOperationItem)
{
context.Items[key] = value;
}
}
}
var logEnabled = LogLevel != LogLevel.None && Log.IsEnabled(LogLevel);
using var _ = Computed.Invalidate();
var finalHandler = context.ExecutionState.FindFinalHandler();
if (finalHandler != null)
{
if (logEnabled)
{
Log.Log(LogLevel, "Invalidating via dedicated command handler: {0}", command);
}
await context.InvokeRemainingHandlersAsync(cancellationToken).ConfigureAwait(false);
}
else
{
if (logEnabled)
{
Log.Log(LogLevel, "Invalidating via shared command handler: {0}", command);
}
await context.Commander.RunAsync(command.UntypedCommand, cancellationToken).ConfigureAwait(false);
}
}
