public static IFdbDatabaseScopeProvider Logged([NotNull] this IFdbDatabaseScopeProvider provider, [NotNull] Action <FdbLoggedTransaction> handler, FdbLoggingOptions options = FdbLoggingOptions.Default)
{
Contract.NotNull(provider, nameof(provider));
Contract.NotNull(handler, nameof(handler));
return(provider.CreateScope <object>((db, ct) => !ct.IsCancellationRequested ? Task.FromResult <(IFdbDatabase, object)>((Logged(db, handler), null)) : Task.FromCanceled <(IFdbDatabase, object)>(ct)));
}
public FdbDatabaseTombstoneProvider([CanBeNull] IFdbDatabaseScopeProvider parent, [NotNull] Exception error, CancellationToken lifetime)
{
Contract.Requires(error != null);
this.Parent = parent;
this.Error = error;
this.FailedTask = Task.FromException <IFdbDatabase>(error);
this.Lifetime = parent != null?CancellationTokenSource.CreateLinkedTokenSource(parent.Cancellation, lifetime) : CancellationTokenSource.CreateLinkedTokenSource(lifetime);
}
public static IFdbDatabaseScopeProvider CreateScope([NotNull] this IFdbDatabaseScopeProvider provider, [NotNull] Func <IFdbDatabase, CancellationToken, Task> init)
{
Contract.NotNull(provider, nameof(provider));
Contract.NotNull(init, nameof(init));
return(provider.CreateScope <object>(async(db, cancel) =>
{
await init(db, cancel).ConfigureAwait(false);
return (db, null);
}));
}
public FdbDatabaseScopeProvider(IFdbDatabaseScopeProvider parent, Func <IFdbDatabase, CancellationToken, Task <(IFdbDatabase, TState)> > handler, CancellationToken lifetime = default)
public FdbDatabaseScopeProvider([NotNull] IFdbDatabaseScopeProvider parent, [NotNull] Func <IFdbDatabase, CancellationToken, Task <(IFdbDatabase, TState)> > handler, [NotNull] CancellationTokenSource lifetime)
/// <summary>Wait for the scope to become ready.</summary>
public static ValueTask EnsureIsReady([NotNull] this IFdbDatabaseScopeProvider provider, CancellationToken ct)
{
if (provider.IsAvailable)
{
return(default);
public static IFdbDatabaseScopeProvider <FdbDirectorySubspace> CreateDirectoryScope([NotNull] this IFdbDatabaseScopeProvider provider, FdbDirectoryPath path)
{
return(provider.CreateScope <FdbDirectorySubspace>(async(db, cancel) =>
{
var folder = await db.Directory.CreateOrOpenAsync(path, cancel);
return (db, folder);
}));
}
