private void ReplicateDocument(DocumentStorageActions actions, string id, JObject metadata, JObject document, string src)
{
var existingDoc = actions.DocumentByKey(id, null);
if (existingDoc == null)
{
log.DebugFormat("New document {0} replicated successfully from {1}", id, src);
actions.AddDocument(id, Guid.Empty, document, metadata);
return;
}
var existingDocumentIsInConflict = existingDoc.Metadata[ReplicationConstants.RavenReplicationConflict] != null;
if (existingDocumentIsInConflict == false && // if the current document is not in conflict, we can continue without having to keep conflict semantics
(IsDirectChildOfCurrentDocument(existingDoc, metadata))) // this update is direct child of the existing doc, so we are fine with overwriting this
{
log.DebugFormat("Existing document {0} replicated successfully from {1}", id, src);
actions.AddDocument(id, null, document, metadata);
return;
}
var newDocumentConflictId = id + "/conflicts/" + metadata.Value <string>("@etag");
metadata.Add(ReplicationConstants.RavenReplicationConflict, JToken.FromObject(true));
actions.AddDocument(newDocumentConflictId, null, document, metadata);
if (existingDocumentIsInConflict) // the existing document is in conflict
{
log.DebugFormat("Conflicted document {0} has a new version from {1}, adding to conflicted documents", id, src);
// just update the current doc with the new conflict document
existingDoc.DataAsJson.Value <JArray>("Conflicts").Add(JToken.FromObject(newDocumentConflictId));
actions.AddDocument(id, existingDoc.Etag, existingDoc.DataAsJson, existingDoc.Metadata);
return;
}
log.DebugFormat("Existing document {0} is in conflict with replicated version from {1}, marking document as conflicted", id, src);
// we have a new conflict
// move the existing doc to a conflict and create a conflict document
var existingDocumentConflictId = id + "/conflicts/" + existingDoc.Etag;
existingDoc.Metadata.Add(ReplicationConstants.RavenReplicationConflict, JToken.FromObject(true));
actions.AddDocument(existingDocumentConflictId, null, existingDoc.DataAsJson, existingDoc.Metadata);
actions.AddDocument(id, null,
new JObject(
new JProperty("Conflicts", new JArray(existingDocumentConflictId, newDocumentConflictId))),
new JObject(
new JProperty(ReplicationConstants.RavenReplicationConflict, true),
new JProperty("@Http-Status-Code", 409),
new JProperty("@Http-Status-Description", "Conflict")
));
}
private static JsonDocument RetrieveDocument(DocumentStorageActions actions, IndexQueryResult queryResult,
HashSet <string> loadedIds)
{
if (queryResult.Projection == null)
{
if (loadedIds.Add(queryResult.Key))
{
return(actions.DocumentByKey(queryResult.Key, null));
}
return(null);
}
return(new JsonDocument
{
Key = queryResult.Key,
Projection = queryResult.Projection,
});
}
private static JsonDocument RetrieveDocument(DocumentStorageActions actions, IndexQueryResult queryResult,
HashSet<string> loadedIds)
{
if (queryResult.Projection == null)
{
if (loadedIds.Add(queryResult.Key))
return actions.DocumentByKey(queryResult.Key, null);
return null;
}
return new JsonDocument
{
Key = queryResult.Key,
Projection = queryResult.Projection,
};
}
