public CountersStorage(DocumentDatabase documentDatabase, Transaction tx)
{
_documentDatabase = documentDatabase;
_documentsStorage = documentDatabase.DocumentsStorage;
tx.CreateTree(CounterKeysSlice);
TombstonesSchema.Create(tx, CountersTombstonesSlice, 16);
}
public void InitializeFromDatabaseRecord(DatabaseRecord dbRecord)
{
try
{
var revisions = dbRecord.Revisions;
if (revisions == null ||
(revisions.Default == null && revisions.Collections.Count == 0))
{
Configuration = null;
return;
}
if (revisions.Equals(Configuration))
{
return;
}
Configuration = revisions;
using (var tx = _database.DocumentsStorage.Environment.WriteTransaction())
{
foreach (var collection in Configuration.Collections)
{
if (collection.Value.Active == false)
{
continue;
}
EnsureRevisionTableCreated(tx, new CollectionName(collection.Key));
}
tx.CreateTree(RevisionsCountSlice);
TombstonesSchema.Create(tx, RevisionsTombstonesSlice, 16);
tx.Commit();
}
if (_logger.IsInfoEnabled)
{
_logger.Info("Revisions configuration changed");
}
}
catch (Exception e)
{
var msg = "Cannot enable revisions for documents as the revisions configuration" +
$" in the database record is missing or not valid: {dbRecord}";
_database.NotificationCenter.Add(AlertRaised.Create($"Revisions error in {_database.Name}", msg,
AlertType.RevisionsConfigurationNotValid, NotificationSeverity.Error, _database.Name));
if (_logger.IsOperationsEnabled)
{
_logger.Operations(msg, e);
}
}
}
private static void CreateTrees(Transaction tx)
{
tx.CreateTree(RevisionsCountSlice);
TombstonesSchema.Create(tx, RevisionsTombstonesSlice, 16);
}