/// <summary>Change the current global namespace.</summary>
/// <remarks>Do NOT call this, unless you know exactly what you are doing !</remarks>
internal void ChangeRoot(IFdbSubspace subspace, IFdbDirectory directory, bool readOnly)
{
//REVIEW: rename to "ChangeRootSubspace" ?
subspace = subspace ?? FdbSubspace.Empty;
lock (this) //TODO: don't use this for locking
{
m_readOnly = readOnly;
m_globalSpace = FdbSubspace.CopyDynamic(subspace, TypeSystem.Tuples);
m_globalSpaceCopy = FdbSubspace.CopyDynamic(subspace, TypeSystem.Tuples); // keep another copy
m_directory = directory == null ? null : new FdbDatabasePartition(this, directory);
}
}
/// <summary>Return a version of this subspace, which uses a different type system to produces the keys and values</summary>
/// <param name="subspace">Instance of a generic subspace</param>
/// <param name="encoder">Custom key encoder</param>
/// <returns>Subspace equivalent to <paramref name="subspace"/>, but augmented with a specific TypeSystem</returns>
public static IFdbDynamicSubspace UsingEncoder([NotNull] this IFdbSubspace subspace, [NotNull] IDynamicKeyEncoder encoder)
{
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
return(FdbSubspace.CopyDynamic(subspace, encoder));
}
/// <summary>Return a version of this subspace, which uses a different type system to produces the keys and values</summary>
/// <param name="subspace">Instance of a generic subspace</param>
/// <param name="encoding">If non-null, uses this specific instance of the TypeSystem. If null, uses the default instance for this particular TypeSystem</param>
/// <returns>Subspace equivalent to <paramref name="subspace"/>, but augmented with a specific TypeSystem</returns>
public static IFdbDynamicSubspace Using([NotNull] this IFdbSubspace subspace, [NotNull] IFdbKeyEncoding encoding)
{
if (subspace == null)
{
throw new ArgumentNullException("subspace");
}
if (encoding == null)
{
throw new ArgumentNullException("encoding");
}
return(FdbSubspace.CopyDynamic(subspace, encoding));
}
public static IFdbDynamicSubspace UsingEncoder([NotNull] this IFdbSubspace subspace, [NotNull] IDynamicKeyEncoder encoder)
{
Contract.NotNull(subspace, nameof(subspace));
Contract.NotNull(encoder, nameof(encoder));
return(FdbSubspace.CopyDynamic(subspace, encoder));
}
public static IFdbDynamicSubspace Using([NotNull] this IFdbSubspace subspace, [NotNull] IFdbKeyEncoding encoding)
{
Contract.NotNull(subspace, nameof(subspace));
Contract.NotNull(encoding, nameof(encoding));
return(FdbSubspace.CopyDynamic(subspace, encoding));
}
