private void UpdateCascadeReferencingCollection(ReferencingCollectionSetting rc, ReferencingCollectionOperation co)
{
co.StartedDate = DateTime.UtcNow;
co.Status = UpdateCascadeOperationStatus.Executing;
co.UpdatedDocumentCount = 0;
SaveOperationSilentlyIgnoringError(); // we can continue anyway
log.Trace("Update cascade {0} referencing document collection for update cascade operation {1} started", rc.ReferencingEntityName, operation.Id);
try
{
int updatedByIndex = 0;
Guid lastEtag;
do
{
lastEtag = db.GetLastEtag();
var query = new IndexQuery
{
CutoffEtag = lastEtag,
Query = string.Format("{0}:{1} AND {2}:{3}NULL TO {4}{5}", rc.ReferencedIdPropertyNameInIndex, RavenQuery.Escape(referencedDoc.Key),
rc.ReferencedEtagPropertyNameInIndex, "{", RavenQuery.Escape(Convert.ToString(referencedDoc.Etag, CultureInfo.InvariantCulture)), "}")
};
updatedByIndex = db.UpdateByIndex(rc.IndexName, query, doc => UpdateDocumentWithProgressReport(doc, co),
TimeSpan.FromHours(8), cancellationToken, null);
} while (updatedByIndex > 0);
db.UpdateDocumentsAfter(lastEtag, UpdateDocument, cancellationToken, null);
co.Status = UpdateCascadeOperationStatus.CompletedSuccessfully;
log.Trace("Update cascade {0} documents for operation {1} completed successfully. {2} documents have been updated in {3}", rc.ReferencingEntityName, operation.Id, co.UpdatedDocumentCount, co.ElapsedTime);
}
catch (OperationCanceledException) // save the operation and rethrow
{
co.Status = UpdateCascadeOperationStatus.Canceled;
throw;
}
catch (Exception ex) // Log the error, save the operation, and move to the next.
{
co.ErrorMessage = ex.Message;
co.Status = UpdateCascadeOperationStatus.Failed;
log.ErrorException(string.Format("Update cascade {0} documents for operation {1} failed miserably. Moving on the next one ...", rc.ReferencingEntityName, operation.Id), ex);
}
finally
{
co.CompletedDate = DateTime.UtcNow;
if (!(services.IsShutDownInProgress && co.Status == UpdateCascadeOperationStatus.Canceled))
{
SaveOperationSilentlyIgnoringError(); // we want to preserve OperationCanceledException.
}
}
}
private bool UpdateDocument(JsonDocument referencingDocument)
{
var referencingEntityName = referencingDocument.Metadata.Value <string>(Constants.RavenEntityName);
ReferencingCollectionSetting referencingCollectionSetting = null;
if (!this.setting.ReferencingCollections.TryGetValue(referencingEntityName, out referencingCollectionSetting))
{
log.Debug("{0} document doesn't need to be cascade updated because it doesn't belong to any document collection that hold denormalized references to {1}. Operation {2} ", referencingDocument.Key, setting.ReferencedEntityName, operation.Id);
return(false);
}
var denormalizedReferences = referencingDocument.DataAsJson.GetObjectsAtPath(referencingCollectionSetting.ReferencingPropertyPath);
bool shouldUpdate = false;
foreach (var reference in denormalizedReferences)
{
Guid?referencedEtag = reference.Value <Guid?>("Etag");
var referencedDocId = reference.Value <string>("Id");
if (referencedDocId == referencedDoc.Key && (referencedEtag == null ||
Buffers.Compare(referencedEtag.Value.ToByteArray(), referencedDoc.Etag.Value.ToByteArray()) < 0))
{
shouldUpdate = true;
foreach (var property in setting.DenormalizedReferencePropertyNames)
{
reference[property] = referencedDoc.DataAsJson[property].CloneToken();
}
reference["Etag"] = RavenJToken.FromObject(referencedDoc.Etag.Value);
}
}
if (shouldUpdate)
{
log.Debug("{0} document has been cascade updated in memory beacause it references {1} document and its referencing Etag is prior to the referenced document one {2}", referencingDocument.Key, referencedDoc.Key, referencedDoc.Etag);
}
else
{
log.Debug("{0} document has not been cascade updated in memory beacause it does not references {1} document or its referencing Etag is subsequent to the referenced document one {2}", referencingDocument.Key, referencedDoc.Key, referencedDoc.Etag);
}
return(shouldUpdate);
}
private void UpdateCascadeReferencingCollection(ReferencingCollectionSetting rc, ReferencingCollectionOperation co)
{
co.StartedDate = DateTime.UtcNow;
co.Status = UpdateCascadeOperationStatus.Executing;
co.UpdatedDocumentCount = 0;
SaveOperationSilentlyIgnoringError(); // we can continue anyway
log.Trace("Update cascade {0} referencing document collection for update cascade operation {1} started", rc.ReferencingEntityName, operation.Id);
try
{
int updatedByIndex = 0;
Guid lastEtag;
do
{
lastEtag = db.GetLastEtag();
var query = new IndexQuery
{
CutoffEtag = lastEtag,
Query = string.Format("{0}:{1} AND {2}:{3}NULL TO {4}{5}", rc.ReferencedIdPropertyNameInIndex, RavenQuery.Escape(referencedDoc.Key),
rc.ReferencedEtagPropertyNameInIndex, "{", RavenQuery.Escape(Convert.ToString(referencedDoc.Etag, CultureInfo.InvariantCulture)), "}")
};
updatedByIndex = db.UpdateByIndex(rc.IndexName, query, doc => UpdateDocumentWithProgressReport(doc, co),
TimeSpan.FromHours(8), cancellationToken, null);
} while (updatedByIndex > 0);
db.UpdateDocumentsAfter(lastEtag, UpdateDocument, cancellationToken, null);
co.Status = UpdateCascadeOperationStatus.CompletedSuccessfully;
log.Trace("Update cascade {0} documents for operation {1} completed successfully. {2} documents have been updated in {3}", rc.ReferencingEntityName, operation.Id, co.UpdatedDocumentCount, co.ElapsedTime);
}
catch (OperationCanceledException) // save the operation and rethrow
{
co.Status = UpdateCascadeOperationStatus.Canceled;
throw;
}
catch (Exception ex) // Log the error, save the operation, and move to the next.
{
co.ErrorMessage = ex.Message;
co.Status = UpdateCascadeOperationStatus.Failed;
log.ErrorException(string.Format("Update cascade {0} documents for operation {1} failed miserably. Moving on the next one ...", rc.ReferencingEntityName, operation.Id), ex);
}
finally
{
co.CompletedDate = DateTime.UtcNow;
if (!(services.IsShutDownInProgress && co.Status == UpdateCascadeOperationStatus.Canceled))
SaveOperationSilentlyIgnoringError(); // we want to preserve OperationCanceledException.
}
}