/// <summary>
/// Add an edge from one vertex (source) to another (sink)
/// NOTE: Both the source and sink vertex are modified.
/// NOTE: This function may upload the edge-document.
/// NOTE: srcVertex and sinkVertex are updated and uploaded.
/// </summary>
/// <param name="connection"></param>
/// <param name="srcId"></param>
/// <param name="sinkId"></param>
/// <param name="srcVertexField"></param>
/// <param name="sinkVertexField"></param>
/// <param name="edgeJsonObject"></param>
/// <param name="srcVertexObject"></param>
/// <param name="sinkVertexObject"></param>
/// <param name="outEdgeObject"></param>
/// <param name="outEdgeDocID"></param>
/// <param name="inEdgeObject"></param>
/// <param name="inEdgeDocID"></param>
public static void InsertEdgeAndUpload(
GraphViewConnection connection,
string srcId, string sinkId,
VertexField srcVertexField, VertexField sinkVertexField,
JObject edgeJsonObject,
JObject srcVertexObject, JObject sinkVertexObject,
out JObject outEdgeObject, out string outEdgeDocID,
out JObject inEdgeObject, out string inEdgeDocID)
{
long edgeOffset = (long)srcVertexObject["_nextEdgeOffset"];
srcVertexObject["_nextEdgeOffset"] = edgeOffset + 1;
outEdgeObject = (JObject)edgeJsonObject.DeepClone();
inEdgeObject = (JObject)edgeJsonObject.DeepClone();
// Add "id" property to edgeObject if desired
if (connection.GenerateEdgeId)
{
string guid = GraphViewConnection.GenerateDocumentId();
outEdgeObject["_edgeId"] = guid;
inEdgeObject["_edgeId"] = guid;
}
string srcLabel = srcVertexObject["label"]?.ToString();
string sinkLabel = sinkVertexObject["label"]?.ToString();
GraphViewJsonCommand.UpdateEdgeMetaProperty(outEdgeObject, edgeOffset, false, sinkId, sinkLabel);
GraphViewJsonCommand.UpdateEdgeMetaProperty(inEdgeObject, edgeOffset, true, srcId, srcLabel);
InsertEdgeObjectInternal(connection, srcVertexObject, srcVertexField, outEdgeObject, false, out outEdgeDocID); // srcVertex uploaded
InsertEdgeObjectInternal(connection, sinkVertexObject, sinkVertexField, inEdgeObject, true, out inEdgeDocID); // sinkVertex uploaded
}
/// <summary>
/// Add an edge from one vertex (source) to another (sink)
/// NOTE: Both the source and sink vertex are modified.
/// NOTE: This function may upload the edge-document.
/// NOTE: srcVertex and sinkVertex are updated and uploaded.
/// </summary>
/// <param name="connection"></param>
/// <param name="srcId"></param>
/// <param name="sinkId"></param>
/// <param name="srcVertexField"></param>
/// <param name="sinkVertexField"></param>
/// <param name="edgeJsonObject"></param>
/// <param name="srcVertexObject"></param>
/// <param name="sinkVertexObject"></param>
/// <param name="outEdgeObject"></param>
/// <param name="outEdgeDocID"></param>
/// <param name="inEdgeObject"></param>
/// <param name="inEdgeDocID"></param>
public static void InsertEdgeAndUpload(
GraphViewConnection connection,
string srcId, string sinkId,
VertexField srcVertexField, VertexField sinkVertexField,
JObject edgeJsonObject,
JObject srcVertexObject, JObject sinkVertexObject,
out JObject outEdgeObject, out string outEdgeDocID,
out JObject inEdgeObject, out string inEdgeDocID)
{
//long edgeOffset = (long)srcVertexObject[KW_VERTEX_NEXTOFFSET];
//srcVertexObject[KW_VERTEX_NEXTOFFSET] = edgeOffset + 1;
outEdgeObject = (JObject)edgeJsonObject.DeepClone();
inEdgeObject = (JObject)edgeJsonObject.DeepClone();
// Add "id" property to edgeObject
string edgeId = GraphViewConnection.GenerateDocumentId();
string srcLabel = srcVertexObject[KW_VERTEX_LABEL]?.ToString();
string sinkLabel = sinkVertexObject[KW_VERTEX_LABEL]?.ToString();
GraphViewJsonCommand.UpdateEdgeMetaProperty(outEdgeObject, edgeId, false, sinkId, sinkLabel);
GraphViewJsonCommand.UpdateEdgeMetaProperty(inEdgeObject, edgeId, true, srcId, srcLabel);
InsertEdgeObjectInternal(connection, srcVertexObject, srcVertexField, outEdgeObject, false, out outEdgeDocID); // srcVertex uploaded
if (connection.UseReverseEdges)
{
InsertEdgeObjectInternal(connection, sinkVertexObject, sinkVertexField, inEdgeObject, true,
out inEdgeDocID); // sinkVertex uploaded
}
else
{
inEdgeDocID = EdgeDocumentHelper.VirtualReverseEdgeDocId;
}
}