public const int DefaultChunkSize = 1 << 20; // 1 MB
public FdbDocumentCollection(ISubspaceLocation subspace, Func <TDocument, TId> selector, IValueEncoder <TDocument> valueEncoder)
: this(subspace.AsTyped <TId, int>(), selector, valueEncoder)
{
}
/// <summary>Create an allocator operating under a specific location</summary>
public FdbHighContentionAllocator(ISubspaceLocation location)
{
Contract.NotNull(location);
this.Location = location.AsTyped <int, long>();
}
// Inspired by https://apple.github.io/foundationdb/multimaps.html
// It is the logical equivalent of a Map<KeyValuePair<TKey, TValue>, long> where the value would be incremented each time a specific pair of (key, value) is added (and subtracted when removed)
// The layer stores each key/value using the following format:
// (..., key, value) = 64-bit counter
/// <summary>Create a new multimap</summary>
/// <param name="subspace">Location where the map will be stored in the database</param>
/// <param name="allowNegativeValues">If true, allow negative or zero values to stay in the map.</param>
public FdbMultiMap(ISubspaceLocation subspace, bool allowNegativeValues)
: this(subspace.AsTyped <TKey, TValue>(), allowNegativeValues)
{
}
public FdbMap(ISubspaceLocation location, IValueEncoder <TValue> valueEncoder)
: this(location.AsTyped <TKey>(), valueEncoder)
{
}
/// <summary>Create a new queue using either High Contention mode or Simple mode</summary>
/// <param name="location">Subspace where the queue will be stored</param>
/// <param name="encoder">Encoder for the values stored in this queue</param>
/// <remarks>Uses the default Tuple serializer</remarks>
public FdbQueue(ISubspaceLocation location, IValueEncoder <T>?encoder = null)
: this(location.AsTyped <VersionStamp>(), encoder)
{
}
public FdbIndex(ISubspaceLocation path, IEqualityComparer <TValue>?valueComparer = null, bool indexNullValues = false)
: this(path.AsTyped <TValue, TId>(), valueComparer, indexNullValues)
{
}