private void Execute()
{
this.operation.Status = UpdateCascadeOperationStatus.Executing;
operation.StartedDate = DateTime.UtcNow;
operationRepository = new Repository <UpdateCascadeOperation>(db);
var completedReferencingEntityNames = this.operation.CollectionOperations
.Where(x => x.IsCompleted)
.Select(x => x.ReferencingEntityName)
.ToHashSet();
var notCompletedReferencingCollections = this.setting.ReferencingCollections.Values
.Where(rc => !completedReferencingEntityNames.Contains(rc.ReferencingEntityName));
try
{
log.Trace("Update cascade operation {0} started", operation.Id);
foreach (var referencingCollectionSetting in notCompletedReferencingCollections)
{
var collectionOperation = this.operation.CollectionOperations.FirstOrDefault(co => co.ReferencingEntityName == referencingCollectionSetting.ReferencingEntityName);
if (collectionOperation == null)
{
collectionOperation = new ReferencingCollectionOperation
{
ReferencingEntityName = referencingCollectionSetting.ReferencingEntityName
};
this.operation.CollectionOperations.Add(collectionOperation);
}
UpdateCascadeReferencingCollection(referencingCollectionSetting, collectionOperation);
}
operation.Status = operation.CollectionOperations.Any(co => co.Status == UpdateCascadeOperationStatus.Failed)
? UpdateCascadeOperationStatus.Failed : UpdateCascadeOperationStatus.CompletedSuccessfully;
log.Trace("Update cascade operation {0} completed with status {1}", operation.Status);
}
catch (OperationCanceledException)
{
operation.Status = UpdateCascadeOperationStatus.Canceled;
log.Trace("Update cascade operation {0} has been canceled", this.operation.Id);
throw;
}
catch (Exception)
{
operation.Status = UpdateCascadeOperationStatus.Failed;
throw;
}
finally
{
operation.CompletedDate = DateTime.UtcNow;
if (!(services.IsShutDownInProgress && operation.Status == UpdateCascadeOperationStatus.Canceled))
{
SaveOperationSilentlyIgnoringError();
}
operationRepository = null;
}
}
private void Execute()
{
this.operation.Status = UpdateCascadeOperationStatus.Executing;
operation.StartedDate = DateTime.UtcNow;
operationRepository = new Repository<UpdateCascadeOperation>(db);
var completedReferencingEntityNames = this.operation.CollectionOperations
.Where( x => x.IsCompleted)
.Select( x => x.ReferencingEntityName)
.ToHashSet();
var notCompletedReferencingCollections = this.setting.ReferencingCollections.Values
.Where( rc => ! completedReferencingEntityNames.Contains( rc.ReferencingEntityName));
try
{
log.Trace("Update cascade operation {0} started", operation.Id);
foreach (var referencingCollectionSetting in notCompletedReferencingCollections)
{
var collectionOperation = this.operation.CollectionOperations.FirstOrDefault(co => co.ReferencingEntityName == referencingCollectionSetting.ReferencingEntityName);
if (collectionOperation == null)
{
collectionOperation = new ReferencingCollectionOperation
{
ReferencingEntityName = referencingCollectionSetting.ReferencingEntityName
};
this.operation.CollectionOperations.Add(collectionOperation);
}
UpdateCascadeReferencingCollection(referencingCollectionSetting, collectionOperation);
}
operation.Status = operation.CollectionOperations.Any(co => co.Status == UpdateCascadeOperationStatus.Failed)
? UpdateCascadeOperationStatus.Failed : UpdateCascadeOperationStatus.CompletedSuccessfully;
log.Trace("Update cascade operation {0} completed with status {1}", operation.Status);
}
catch (OperationCanceledException)
{
operation.Status = UpdateCascadeOperationStatus.Canceled;
log.Trace("Update cascade operation {0} has been canceled", this.operation.Id);
throw;
}
catch (Exception)
{
operation.Status = UpdateCascadeOperationStatus.Failed;
throw;
}
finally
{
operation.CompletedDate = DateTime.UtcNow;
if (! (services.IsShutDownInProgress && operation.Status == UpdateCascadeOperationStatus.Canceled))
{
SaveOperationSilentlyIgnoringError();
}
operationRepository = null;
}
}
private bool UpdateDocumentWithProgressReport(JsonDocument referencingDocument, ReferencingCollectionOperation collectionOperation)
{
if (UpdateDocument(referencingDocument))
{
collectionOperation.UpdatedDocumentCount++;
if (collectionOperation.UpdatedDocumentCount % 200 == 0)
{
log.Trace("Updating progress for operation {0}. {1} {2} documents have been updated so far", operation.Id, collectionOperation.UpdatedDocumentCount, collectionOperation.ReferencingEntityName);
SaveOperationSilentlyIgnoringError(); // updating progress is not so important
}
return true;
}
else
{
return false;
}
}
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 UpdateDocumentWithProgressReport(JsonDocument referencingDocument, ReferencingCollectionOperation collectionOperation)
{
if (UpdateDocument(referencingDocument))
{
collectionOperation.UpdatedDocumentCount++;
if (collectionOperation.UpdatedDocumentCount % 200 == 0)
{
log.Trace("Updating progress for operation {0}. {1} {2} documents have been updated so far", operation.Id, collectionOperation.UpdatedDocumentCount, collectionOperation.ReferencingEntityName);
SaveOperationSilentlyIgnoringError(); // updating progress is not so important
}
return(true);
}
else
{
return(false);
}
}
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.
}
}
}