public override void Initialize()
{
base.Initialize();
hiLo = new ReplicationHiLo
{
Database = Database
};
}
public override void Initialize()
{
base.Initialize();
hiLo = new ReplicationHiLo
{
Database = Database
};
}
public override void AfterDelete(string key)
{
var metadata = new RavenJObject
{
{ Constants.RavenDeleteMarker, true },
{ Constants.RavenReplicationHistory, deletedHistory.Value },
{ Constants.RavenReplicationSource, Database.TransactionalStorage.Id.ToString() },
{ Constants.RavenReplicationVersion, ReplicationHiLo.NextId(Database) }
};
deletedHistory.Value = null;
Database.TransactionalStorage.Batch(accessor =>
accessor.Lists.Set(Constants.RavenReplicationAttachmentsTombstones, key, metadata, UuidType.Attachments));
}
public override void AfterDelete(string key, TransactionInformation transactionInformation)
{
var now = DateTime.UtcNow;
var metadata = new RavenJObject
{
{ Constants.RavenDeleteMarker, true },
{ Constants.RavenReplicationHistory, deletedHistory.Value },
{ Constants.RavenReplicationSource, Database.TransactionalStorage.Id.ToString() },
{ Constants.RavenReplicationVersion, ReplicationHiLo.NextId(Database) },
{ Constants.LastModified, now },
{ Constants.RavenLastModified, now }
};
deletedHistory.Value = null;
Database.TransactionalStorage.Batch(accessor =>
accessor.Lists.Set(Constants.RavenReplicationDocsTombstones, key, metadata, UuidType.Documents));
}
public override void OnPut(string key, Stream data, RavenJObject metadata)
{
if (key.StartsWith("Raven/")) // we don't deal with system attachment
{
return;
}
using (Database.DisableAllTriggersForCurrentThread())
{
var attachmentMetadata = GetAttachmentMetadata(key);
if (attachmentMetadata != null)
{
RavenJArray history = new RavenJArray(ReplicationData.GetHistory(metadata));
metadata[Constants.RavenReplicationHistory] = history;
if (attachmentMetadata.ContainsKey(Constants.RavenReplicationVersion) &&
attachmentMetadata.ContainsKey(Constants.RavenReplicationSource))
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, attachmentMetadata[Constants.RavenReplicationVersion] },
{ Constants.RavenReplicationSource, attachmentMetadata[Constants.RavenReplicationSource] }
});
}
else
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, 0 },
{ Constants.RavenReplicationSource, RavenJToken.FromObject(Database.TransactionalStorage.Id) }
});
}
while (history.Length > Constants.ChangeHistoryLength)
{
history.RemoveAt(0);
}
}
metadata[Constants.RavenReplicationVersion] = RavenJToken.FromObject(ReplicationHiLo.NextId(Database));
metadata[Constants.RavenReplicationSource] = RavenJToken.FromObject(Database.TransactionalStorage.Id);
}
}
public override void OnPut(string key, RavenJObject document, RavenJObject metadata, TransactionInformation transactionInformation)
{
if (key.StartsWith("Raven/", StringComparison.OrdinalIgnoreCase) && // we don't deal with system documents
key.StartsWith("Raven/Hilo/", StringComparison.OrdinalIgnoreCase) == false) // except for hilos
{
return;
}
using (Database.DisableAllTriggersForCurrentThread())
{
var documentMetadata = GetDocumentMetadata(key);
if (documentMetadata != null)
{
var history = new RavenJArray(ReplicationData.GetHistory(documentMetadata));
metadata[Constants.RavenReplicationHistory] = history;
if (documentMetadata.ContainsKey(Constants.RavenReplicationVersion) &&
documentMetadata.ContainsKey(Constants.RavenReplicationSource))
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, documentMetadata[Constants.RavenReplicationVersion] },
{ Constants.RavenReplicationSource, documentMetadata[Constants.RavenReplicationSource] }
});
}
else
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, 0 },
{ Constants.RavenReplicationSource, RavenJToken.FromObject(Database.TransactionalStorage.Id) }
});
}
while (history.Length > Constants.ChangeHistoryLength)
{
history.RemoveAt(0);
}
}
metadata[Constants.RavenReplicationVersion] = RavenJToken.FromObject(ReplicationHiLo.NextId(Database));
metadata[Constants.RavenReplicationSource] = RavenJToken.FromObject(Database.TransactionalStorage.Id);
}
}
public override void AfterDelete(string key, TransactionInformation transactionInformation, RavenJObject metaJObject)
{
var now = DateTime.UtcNow;
var metadata = new RavenJObject
{
{ Constants.RavenDeleteMarker, true },
{ Constants.RavenReplicationHistory, deletedHistory.Value },
{ Constants.RavenReplicationSource, Database.TransactionalStorage.Id.ToString() },
{ Constants.RavenReplicationVersion, ReplicationHiLo.NextId(Database) },
{ Constants.LastModified, now },
{ Constants.RavenLastModified, now }
};
//Adding Raven-Entity-Name to tombstones so we can filter them when using ETL.
if (metaJObject.ContainsKey(Constants.RavenEntityName))
{
metadata[Constants.RavenEntityName] = metaJObject[Constants.RavenEntityName];
}
deletedHistory.Value = null;
Database.TransactionalStorage.Batch(accessor =>
accessor.Lists.Set(Constants.RavenReplicationDocsTombstones, key, metadata, UuidType.Documents));
}
public override void OnPut(string key, Stream data, RavenJObject metadata)
{
if (key.StartsWith("Raven/")) // we don't deal with system attachment
{
return;
}
using (Database.DisableAllTriggersForCurrentThread())
{
var attachmentMetadata = GetAttachmentMetadata(key);
if (attachmentMetadata != null)
{
var history = new RavenJArray(ReplicationData.GetHistory(attachmentMetadata));
if (attachmentMetadata.ContainsKey(Constants.RavenReplicationMergedHistory) == false)
{
if (attachmentMetadata.ContainsKey(Constants.RavenReplicationVersion) &&
attachmentMetadata.ContainsKey(Constants.RavenReplicationSource))
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, attachmentMetadata[Constants.RavenReplicationVersion] },
{ Constants.RavenReplicationSource, attachmentMetadata[Constants.RavenReplicationSource] }
});
}
else
{
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, 0 },
{ Constants.RavenReplicationSource, RavenJToken.FromObject(Database.TransactionalStorage.Id) }
});
}
var sources = new HashSet <RavenJToken>(RavenJTokenEqualityComparer.Default);
int pos = history.Length - 1;
for (; pos >= 0; pos--)
{
var source = ((RavenJObject)history[pos])[Constants.RavenReplicationSource];
if (sources.Contains(source))
{
history.RemoveAt(pos);
continue;
}
sources.Add(source);
}
metadata[Constants.RavenReplicationMergedHistory] = true;
metadata[Constants.RavenReplicationHistory] = history;
}
//If we have the flag we must have Constants.RavenReplicationVersion and Constants.RavenReplicationSource too
//Here we assume that the replication history is in the form of a "sorted dictionary" so we just need to remove
//the entry with the current source id and insert the new version at the end of the history.
else
{
int i = history.Length - 1;
for (; i >= 0; i--)
{
var currentEntry = history[i];
if (RavenJTokenEqualityComparer.Default.Equals(((RavenJObject)currentEntry)
[Constants.RavenReplicationSource], attachmentMetadata[Constants.RavenReplicationSource]))
{
break;
}
}
if (i != -1)
{
history.RemoveAt(i);
}
history.Add(new RavenJObject
{
{ Constants.RavenReplicationVersion, attachmentMetadata[Constants.RavenReplicationVersion] },
{ Constants.RavenReplicationSource, attachmentMetadata[Constants.RavenReplicationSource] }
});
metadata[Constants.RavenReplicationHistory] = history;
}
}
metadata[Constants.RavenReplicationVersion] = RavenJToken.FromObject(ReplicationHiLo.NextId(Database));
metadata[Constants.RavenReplicationSource] = RavenJToken.FromObject(Database.TransactionalStorage.Id);
}
}
