/// <summary>
/// Create a new object representing a binary large object (blob).
/// Only keys within the subspace will be used by the object.
/// Other clients of the database should refrain from modifying the subspace.</summary>
/// <param name="subspace">Subspace to be used for storing the blob data and metadata</param>
public FdbBlob([NotNull] IFdbSubspace subspace)
{
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
this.Subspace = subspace.Using(TypeSystem.Tuples);
}
public FdbHashSetCollection(IFdbSubspace subspace)
{
if (subspace == null)
{
throw new ArgumentNullException(nameof(subspace));
}
this.Subspace = subspace.Using(TypeSystem.Tuples);
}
public FdbVector([NotNull] IFdbSubspace subspace, T defaultValue, [NotNull] IValueEncoder <T> encoder)
{
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
this.Subspace = subspace.Using(TypeSystem.Tuples);
this.DefaultValue = defaultValue;
this.Encoder = encoder;
}
public FdbWorkerPool(IFdbSubspace subspace)
{
if (subspace == null)
{
throw new ArgumentNullException(nameof(subspace));
}
this.Subspace = subspace.Using(TypeSystem.Tuples);
this.TaskStore = this.Subspace.Partition.ByKey(Slice.FromChar('T'));
this.IdleRing = this.Subspace.Partition.ByKey(Slice.FromChar('I'));
this.BusyRing = this.Subspace.Partition.ByKey(Slice.FromChar('B'));
this.UnassignedTaskRing = this.Subspace.Partition.ByKey(Slice.FromChar('U'));
this.Counters = new FdbCounterMap <int>(this.Subspace.Partition.ByKey(Slice.FromChar('C')));
}
/// <summary>Create a new High Contention counter, using a specific value encoder.</summary>
/// <param name="db">Database used by this layer</param>
/// <param name="subspace">Subspace to be used for storing the counter</param>
/// <param name="encoder">Encoder for the counter values</param>
public FdbHighContentionCounter([NotNull] IFdbDatabase db, [NotNull] IFdbSubspace subspace, [NotNull] IValueEncoder <long> encoder)
{
if (db == null)
{
throw new ArgumentNullException("db");
}
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
this.Database = db;
this.Subspace = subspace.Using(TypeSystem.Tuples);
this.Encoder = encoder;
}
/// <summary>Create a new queue using either High Contention mode or Simple mode</summary>
/// <param name="subspace">Subspace where the queue will be stored</param>
/// <param name="highContention">If true, uses High Contention Mode (lots of popping clients). If true, uses the Simple Mode (a few popping clients).</param>
public FdbQueue([NotNull] IFdbSubspace subspace, bool highContention, [NotNull] IValueEncoder <T> encoder)
{
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
this.Subspace = subspace.Using(TypeSystem.Tuples);
this.HighContention = highContention;
this.Encoder = encoder;
//TODO: rewrite this, using FdbEncoderSubpsace<..> !
this.ConflictedPop = this.Subspace.Partition.ByKey(Slice.FromAscii("pop"));
this.ConflictedItem = this.Subspace.Partition.ByKey(Slice.FromAscii("conflict"));
this.QueueItem = this.Subspace.Partition.ByKey(Slice.FromAscii("item"));
}
public FdbHashSetCollection(IFdbSubspace subspace)
{
if (subspace == null) throw new ArgumentNullException("subspace");
this.Subspace = subspace.Using(TypeSystem.Tuples);
}
public FdbWorkerPool(IFdbSubspace subspace)
{
if (subspace == null) throw new ArgumentNullException("subspace");
this.Subspace = subspace.Using(TypeSystem.Tuples);
this.TaskStore = this.Subspace.Partition.ByKey(Slice.FromChar('T'));
this.IdleRing = this.Subspace.Partition.ByKey(Slice.FromChar('I'));
this.BusyRing = this.Subspace.Partition.ByKey(Slice.FromChar('B'));
this.UnassignedTaskRing = this.Subspace.Partition.ByKey(Slice.FromChar('U'));
this.Counters = new FdbCounterMap<int>(this.Subspace.Partition.ByKey(Slice.FromChar('C')));
}
public static FdbDirectoryLayer Create(IFdbSubspace subspace, IEnumerable<string> path = null)
{
if (subspace == null) throw new ArgumentNullException("subspace");
var location = path != null ? ParsePath(path) : FdbTuple.Empty;
var space = subspace.Using(TypeSystem.Tuples);
return new FdbDirectoryLayer(space.Partition[FdbKey.Directory], space, location);
}
