protected override bool TryResolve(string id, RavenJObject metadata, byte[] data, Attachment existingAttachment,
Func<string, Attachment> getAttachment, out RavenJObject metadataToSave,
out byte[] dataToSave)
{
var existingAttachmentIsInConflict = existingAttachment.Metadata[Constants.RavenReplicationConflict] != null;
var existingAttachmentIsDeleted = existingAttachment.Metadata[Constants.RavenDeleteMarker] != null
&& existingAttachment.Metadata[Constants.RavenDeleteMarker].Value<bool>();
metadataToSave = null;
dataToSave = null;
if (existingAttachmentIsInConflict && existingAttachmentIsDeleted == false)
{
var conflictIds =
existingAttachment.Data().ToJObject().Value<RavenJArray>("Conflicts")
.Select(x => x.Value<string>())
.ToArray();
if (conflictIds.Length == 0)
return false;
if (conflictIds
.Select(getAttachment)
.All(doc => Historian.IsDirectChildOfCurrent(metadata, doc.Metadata)) == false)
return false;
metadataToSave = metadata;
dataToSave = data;
return true;
}
return false;
}
private void HandleConflictedAttachment(Attachment attachment)
{
var attachmentDataStream = attachment.Data();
var attachmentData = attachmentDataStream.ToJObject();
var conflicts = attachmentData.Value<RavenJArray>("Conflicts");
if (conflicts == null)
return;
var currentSource = Database.TransactionalStorage.Id.ToString();
foreach (var c in conflicts)
{
var conflict = Database.GetStatic(c.Value<string>());
var conflictSource = conflict.Metadata.Value<RavenJValue>(Constants.RavenReplicationSource).Value<string>();
if (conflictSource != currentSource)
continue;
this.deletedHistory.Value = new RavenJArray
{
new RavenJObject
{
{ Constants.RavenReplicationVersion, conflict.Metadata[Constants.RavenReplicationVersion] },
{ Constants.RavenReplicationSource, conflict.Metadata[Constants.RavenReplicationSource] }
}
};
return;
}
}
public override bool TryResolve(string id, RavenJObject metadata, byte[] data, Attachment existingAttachment, Func<string, Attachment> getAttachment, out RavenJObject metadataToSave,
out byte[] dataToSave)
{
metadataToSave = existingAttachment.Metadata;
dataToSave = existingAttachment.Data().ReadData();
return true;
}