public void BulkCall(params BulkOperation[] operations)
{
JArray opArray = new JArray();
Dictionary <string, string> knownEtags = new Dictionary <string, string>();
// Prepare opArray
foreach (BulkOperation operation in operations)
{
opArray.Add(operation.OperationJObject);
foreach (KeyValuePair <string, string> pair in operation.KnownEtags)
{
string docId = pair.Key;
string etag = pair.Value;
#if DEBUG
if (knownEtags.ContainsKey(docId))
{
Debug.Assert(knownEtags[docId] == etag);
}
#endif
knownEtags[docId] = etag;
}
}
// Do the call!
string responseBody = this.Connection.ExecuteBulkOperation(opArray, knownEtags);
BulkResponse response = JsonConvert.DeserializeObject <BulkResponse>(responseBody);
if (response.Status != BulkStatus.Success)
{
throw new Exception($"BulkCall failed: {response.Message}");
}
// Invoke the callbacks
for (int index = 0; index < operations.Length; ++index)
{
JToken content = response.Content[index];
if ((content as JValue)?.Type == JTokenType.Null)
{
operations[index].Callback(response, null);
}
else
{
Debug.Assert(content is JObject);
operations[index].Callback(response, (JObject)content);
}
}
//
// Update etags in cache
// NOTE: This MUST be done after all callbacks are invoked.
// That is, to ensure the etags are not changed in the callbacks
//
foreach (KeyValuePair <string, string> pair in response.Etags)
{
string docId = pair.Key;
string etag = pair.Value;
if (etag != null)
{
this.Connection.VertexCache.UpdateCurrentEtag(docId, etag);
}
else
{
// If (etag == null), it means the etag is unknown
// Or this document is deleted by operation
this.Connection.VertexCache.TryRemoveEtag(docId);
}
}
}
public override void Callback(BulkResponse response, JObject content)
{
this._vertexObject[KW_DOC_ETAG] = response.Etags[(string)this._vertexObject[KW_DOC_ID]];
Debug.Assert(this._vertexObject[KW_DOC_ETAG] != null);
}
public override void Callback(BulkResponse response, JObject content)
{
Debug.Assert((bool)content["found"] == true);
this.OppoSideVertexId = (string)content["oppoSideVId"];
}
public override void Callback(BulkResponse response, JObject content)
{
Debug.Assert((bool)content["found"] == true);
}
public abstract void Callback(BulkResponse response, JObject content);
public override void Callback(BulkResponse response, JObject content)
{
this.Found = (bool)content["found"];
}
public override void Callback(BulkResponse response, JObject content)
{
this.FirstSpillEdgeDocId = (string)content["firstSpillEdgeDocId"];
this.NewEdgeDocId = (string)content["newEdgeDocId"];
//
// Actually, there might be at most three documents whose etag are upserted
// - The vertex document: when nonspilled->nonspilled or nonspilled->spilled or spilled-but-create-new-edge-document
// - The edge document (firstSpillEdgeDocId): when nonspilled->spilled, the existing edges are spilled into this document
// - The edge document (newEdgeDocId): when spilled, the new edge is always stored here
//
//
// Update vertex JObject's etag (if necessary)
//
if (response.Etags.ContainsKey(this._vertexId))
{
// The vertex is updated, either because it is changed from non-spilled to spilled, or
// because its latest spilled edge document is updated
Debug.Assert(response.Etags[this._vertexId] != null);
}
//
// Update vertex edgeContainer's content (if necessary)
//
string latestEdgeDocId = this._isReverse
? this._thisVertexField.LatestInEdgeDocumentId
: this._thisVertexField.LatestOutEdgeDocumentId;
if (latestEdgeDocId != null)
{
// The edges are originally spilled (now it is still spilled)
Debug.Assert(this.FirstSpillEdgeDocId == null);
if (this.NewEdgeDocId == latestEdgeDocId)
{
// Now the newly added edge is added to the latest edge document (not too large)
// Do nothing
// The vertex object should not be updated (etag not changed)
Debug.Assert(response.Etags[this._vertexId] == this.Connection.VertexCache.GetCurrentEtag(this._vertexId));
}
else
{
// Now the newly added edge is stored in a new edge document
// The original latest edge document is too small to store the new edge
// Update the vertex object's latest edge document id
Debug.Assert(response.Etags.ContainsKey(this._vertexId));
Debug.Assert(response.Etags[this._vertexId] != this.Connection.VertexCache.GetCurrentEtag(this._vertexId));
if (this._isReverse)
{
this._thisVertexField.LatestInEdgeDocumentId = this.NewEdgeDocId;
}
else
{
this._thisVertexField.LatestOutEdgeDocumentId = this.NewEdgeDocId;
}
}
}
else
{
// The vertex's edges are originally not spilled
Debug.Assert(response.Etags.ContainsKey(this._vertexId));
if (this.FirstSpillEdgeDocId != null)
{
// Now the vertex is changed from not-spilled to spilled
Debug.Assert(this.NewEdgeDocId != null);
if (this._isReverse)
{
this._thisVertexField.LatestInEdgeDocumentId = this.NewEdgeDocId;
}
else
{
this._thisVertexField.LatestOutEdgeDocumentId = this.NewEdgeDocId;
}
}
else
{
// Now the vertex is still not spilled
Debug.Assert(this.NewEdgeDocId == null);
}
}
}
