public virtual IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
var idString = id.ToString();
return(InnerVertices.Get(idString));
}
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
var vertex = BaseGraph.GetVertex(id);
return(null == vertex ? null : new EventVertex(vertex, this));
}
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
if (null == id)
{
throw new ArgumentNullException("id");
}
if (_supportVertexIds)
{
var i = _baseGraph.GetVertices(Id, id);
var iter = i.GetEnumerator();
if (!iter.MoveNext())
{
return(null);
}
var e = iter.Current;
if (iter.MoveNext())
{
throw new InvalidOperationException(string.Concat("multiple vertices exist with id '", id, "'"));
}
return(new IdVertex(e, this));
}
var base_ = _baseGraph.GetVertex(id);
return(null == base_ ? null : new IdVertex(base_, this));
}
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
var vertex = BaseGraph.GetVertex(id);
return(null == vertex ? null : new ReadOnlyVertex(this, vertex));
}
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
IVertex vertex = BaseGraph.GetVertex(id);
if (null == vertex || !IsInPartition(vertex))
{
return(null);
}
return(new PartitionVertex(vertex, this));
}
/// <note>
/// If the input data are sorted, then out vertex will be repeated for several edges in a row.
/// In this case, bypass cache and instead immediately return a new vertex using the known id.
/// This gives a modest performance boost, especially when the cache is large or there are
/// on average many edges per vertex.
/// </note>
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
if ((_previousOutVertexId != null) && (_previousOutVertexId == id))
{
return(new BatchVertex(_previousOutVertexId, this));
}
var v = RetrieveFromCache(id);
if (v == null)
{
if (_loadingFromScratch)
{
return(null);
}
if (_baseGraph.Features.IgnoresSuppliedIds)
{
Debug.Assert(_vertexIdKey != null);
var iter = _baseGraph.GetVertices(_vertexIdKey, id).GetEnumerator();
if (!iter.MoveNext())
{
return(null);
}
v = iter.Current;
if (iter.MoveNext())
{
throw new ArgumentException(
string.Concat("There are multiple vertices with the provided id in the database: ", id));
}
}
else
{
v = _baseGraph.GetVertex(id);
if (v == null)
{
return(null);
}
}
_cache.Set(v, id);
}
return(new BatchVertex(id, this));
}
public IVertex GetVertex(object id)
{
GraphContract.ValidateGetVertex(id);
return(_graph.GetVertex(id));
}