private static void ReadEdgeKeyIndices(BinaryReader reader, TinkerGrapĥ tinkerGrapĥ)
{
Contract.Requires(reader != null);
Contract.Requires(tinkerGrapĥ != null);
// Read the number of edge key indices
var indexCount = reader.ReadInt32();
for (var i = 0; i < indexCount; i++)
{
// Read the key index name
var indexName = reader.ReadString();
tinkerGrapĥ.EdgeKeyIndex.CreateKeyIndex(indexName);
var items = new ConcurrentDictionary <object, ConcurrentDictionary <string, IElement> >();
// Read the number of items associated with this key index name
var itemCount = reader.ReadInt32();
for (var j = 0; j < itemCount; j++)
{
// Read the item key
var key = ReadTypedData(reader);
var edges = new ConcurrentDictionary <string, IElement>();
// Read the number of edges in this item
var edgeCount = reader.ReadInt32();
for (var k = 0; k < edgeCount; k++)
{
// Read the edge identifier
var e = tinkerGrapĥ.GetEdge(ReadTypedData(reader));
if (e != null)
{
edges.TryAdd(e.Id.ToString(), e);
}
}
items.Put(key, edges);
}
tinkerGrapĥ.EdgeKeyIndex.Index.Put(indexName, items);
}
}
private static void ReadIndices(BinaryReader reader, TinkerGrapĥ tinkerGrapĥ)
{
Contract.Requires(reader != null);
Contract.Requires(tinkerGrapĥ != null);
// Read the number of indices
var indexCount = reader.ReadInt32();
for (var i = 0; i < indexCount; i++)
{
// Read the index name
var indexName = reader.ReadString();
// Read the index type
var indexType = reader.ReadByte();
if (indexType != 1 && indexType != 2)
{
throw new InvalidDataException("Unknown index class type");
}
var tinkerIndex = new TinkerIndex(indexName, indexType == 1 ? typeof(IVertex) : typeof(IEdge));
// Read the number of items associated with this index name
var indexItemCount = reader.ReadInt32();
for (var j = 0; j < indexItemCount; j++)
{
// Read the item key
var indexItemKey = reader.ReadString();
// Read the number of sub-items associated with this item
var indexValueItemSetCount = reader.ReadInt32();
for (var k = 0; k < indexValueItemSetCount; k++)
{
// Read the number of vertices or edges in this sub-item
var setCount = reader.ReadInt32();
for (var l = 0; l < setCount; l++)
{
// Read the vertex or edge identifier
if (indexType == 1)
{
var v = tinkerGrapĥ.GetVertex(ReadTypedData(reader));
if (v != null)
{
tinkerIndex.Put(indexItemKey, v.GetProperty(indexItemKey), v);
}
}
else if (indexType == 2)
{
var e = tinkerGrapĥ.GetEdge(ReadTypedData(reader));
if (e != null)
{
tinkerIndex.Put(indexItemKey, e.GetProperty(indexItemKey), e);
}
}
}
}
}
tinkerGrapĥ.Indices.Put(indexName, tinkerIndex);
}
}
