/// <summary>Creates a new selector</summary>
public FdbKeySelector(IFdbKey key, bool orEqual, int offset)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
m_key = key.ToFoundationDbKey();
this.OrEqual = orEqual;
this.Offset = offset;
}
public IFdbSubspace this[IFdbKey key]
{
get
{
if (key == null)
{
throw new ArgumentNullException("key");
}
return(CreateChildren(key.ToFoundationDbKey()));
}
}
/// <summary>Create a new subspace by adding a <paramref name="key"/> to the current subspace's prefix</summary>
/// <param name="key">Key that will be appended to the current prefix</param>
/// <returns>New subspace whose prefix is the concatenation of the parent prefix, and the packed representation of <paramref name="key"/></returns>
public IFdbDynamicSubspace this[IFdbKey key]
{
[ContractAnnotation("null => halt; notnull => notnull")]
get
{
if (key == null)
{
throw new ArgumentNullException("key");
}
var packed = key.ToFoundationDbKey();
return(this[packed]);
}
}
/// <summary>Create a new subspace by adding a <paramref name="key"/> to the current subspace's prefix</summary>
/// <param name="key">Key that will be appended to the current prefix</param>
/// <returns>New subspace whose prefix is the concatenation of the parent prefix, and the packed representation of <paramref name="key"/></returns>
public FdbSubspace this[IFdbKey key]
{
[ContractAnnotation("null => halt; notnull => notnull")]
get
{
if (key == null)
{
throw new ArgumentNullException("key");
}
var packed = key.ToFoundationDbKey();
return(packed.Count == 0 ? this : FdbSubspace.Create(GetKeyPrefix() + packed));
}
}
public FdbKeyRange(IFdbKey begin, IFdbKey end)
{
if (begin == null)
{
throw new ArgumentNullException("begin");
}
if (end == null)
{
throw new ArgumentNullException("end");
}
m_begin = begin.ToFoundationDbKey();
m_end = end.ToFoundationDbKey();
Contract.Ensures(m_begin <= m_end, "The range is inverted");
}