/// <summary>
/// Checks that an ID can be used as a Blank Node ID remapping it to another ID if necessary.
/// </summary>
/// <param name="id">ID to be checked.</param>
/// <remarks>
/// If the ID is not known it is added to the ID maps. If the ID is known but is user-assigned then this can be used fine. If the ID is known and was auto-assigned then it has to be remapped to a different ID.
/// </remarks>
public void CheckID(ref String id)
{
if (_remappings.ContainsKey(id))
{
// Is remapped to something else
id = _remappings[id];
}
else if (_idmap.ContainsKey(id))
{
BlankNodeIDAssigment idinfo = _idmap[id];
if (idinfo.AutoAssigned)
{
// This ID has been auto-assigned so remap to something else
String newid = "remapped" + Interlocked.Increment(ref _nextremap);
while (_idmap.ContainsKey(newid))
{
newid = "remapped" + Interlocked.Increment(ref _nextremap);
}
// Add to ID Map
_idmap.Add(newid, new BlankNodeIDAssigment(newid, false));
_remappings.Add(id, newid);
id = newid;
}
// Otherwise this ID can be used fine
}
else
{
// Register the ID
_idmap.Add(id, new BlankNodeIDAssigment(id, false));
}
}
/// <summary>
/// Checks that an ID can be used as a Blank Node ID remapping it to another ID if necessary
/// </summary>
/// <param name="id">ID to be checked</param>
/// <remarks>
/// If the ID is not known it is added to the ID maps. If the ID is known but is user-assigned then this can be used fine. If the ID is known and was auto-assigned then it has to be remapped to a different ID.
/// </remarks>
public void CheckID(ref String id)
{
if (this._remappings.ContainsKey(id))
{
//Is remapped to something else
id = this._remappings[id];
}
else if (this._idmap.ContainsKey(id))
{
BlankNodeIDAssigment idinfo = this._idmap[id];
if (idinfo.AutoAssigned)
{
//This ID has been auto-assigned so remap to something else
String newid = "remapped" + this._nextremap;
while (this._idmap.ContainsKey(newid))
{
this._nextremap++;
newid = "remapped" + this._nextremap;
}
this._nextremap++;
//Add to ID Map
this._idmap.Add(newid, new BlankNodeIDAssigment(newid, false));
this._remappings.Add(id, newid);
id = newid;
}
//Otherwise this ID can be used fine
}
else
{
//Register the ID
this._idmap.Add(id, new BlankNodeIDAssigment(id, false));
}
}
/// <summary>
/// Returns whether a given Object is equal to this Blank Node ID assignment
/// </summary>
/// <param name="obj">Object to test</param>
/// <returns></returns>
public override bool Equals(object obj)
{
if (obj is BlankNodeIDAssigment)
{
BlankNodeIDAssigment other = (BlankNodeIDAssigment)obj;
return(other.ID.Equals(this._id) && other.AutoAssigned == this._auto);
}
else
{
return(false);
}
}
