public string PutRevisionFile(string name, long?size, RavenJObject metadata)
{
string revisionFile = null;
fileSystem.Storage.Batch(accessor =>
{
FileVersioningConfiguration versioningConfiguration;
if (TryGetVersioningConfiguration(name, metadata, accessor, out versioningConfiguration) == false)
{
return;
}
using (fileSystem.DisableAllTriggersForCurrentThread())
{
var copyHeaders = new RavenJObject(metadata);
copyHeaders[VersioningUtil.RavenFileRevisionStatus] = RavenJToken.FromObject("Historical");
copyHeaders[Constants.RavenReadOnly] = true;
copyHeaders.Remove(VersioningUtil.RavenFileRevision);
object parentRevision;
metadata.__ExternalState.TryGetValue("Parent-Revision", out parentRevision);
if (parentRevision != null)
{
copyHeaders[VersioningUtil.RavenFileParentRevision] = name + "/revisions/" + parentRevision;
}
object value;
metadata.__ExternalState.TryGetValue("Next-Revision", out value);
revisionFile = name + "/revisions/" + value;
accessor.PutFile(revisionFile, size, copyHeaders);
}
});
return(revisionFile);
}
private void Prepare()
{
fs.Storage.Batch(accessor =>
{
// remove previous SyncResult
fs.Synchronizations.DeleteSynchronizationReport(fileName, accessor);
using (fs.DisableAllTriggersForCurrentThread())
{
// remove previous .downloading file
fs.Files.IndicateFileToDelete(RavenFileNameHelper.DownloadingFileName(fileName), null);
}
});
}
protected StorageStream(RavenFileSystem fileSystem, ITransactionalStorage storage, string fileName, RavenJObject metadata, StorageStreamAccess storageStreamAccess)
{
this.fileSystem = fileSystem;
this.storage = storage;
StorageStreamAccess = storageStreamAccess;
Name = fileName;
switch (storageStreamAccess)
{
case StorageStreamAccess.Read:
storage.Batch(accessor => fileHeader = accessor.ReadFile(fileName));
if (fileHeader.TotalSize == null)
{
throw new FileNotFoundException("File is not uploaded yet");
}
Metadata = fileHeader.Metadata;
Seek(0, SeekOrigin.Begin);
break;
case StorageStreamAccess.CreateAndWrite:
if (this.fileSystem == null)
{
throw new ArgumentNullException("fileSystem");
}
storage.Batch(accessor =>
{
using (fileSystem.DisableAllTriggersForCurrentThread())
{
fileSystem.Files.IndicateFileToDelete(fileName, null);
}
var putResult = accessor.PutFile(fileName, null, metadata);
fileSystem.Search.Index(fileName, metadata, putResult.Etag);
});
Metadata = metadata;
break;
default:
throw new ArgumentOutOfRangeException("storageStreamAccess", storageStreamAccess, "Unknown value");
}
}
protected StorageStream(RavenFileSystem fileSystem, ITransactionalStorage storage, string fileName, RavenJObject metadata, StorageStreamAccess storageStreamAccess)
{
this.fileSystem = fileSystem;
this.storage = storage;
StorageStreamAccess = storageStreamAccess;
Name = fileName;
switch (storageStreamAccess)
{
case StorageStreamAccess.Read:
storage.Batch(accessor => fileHeader = accessor.ReadFile(fileName));
if (fileHeader.TotalSize == null)
{
throw new FileNotFoundException("File is not uploaded yet");
}
Metadata = fileHeader.Metadata;
Seek(0, SeekOrigin.Begin);
break;
case StorageStreamAccess.CreateAndWrite:
if (this.fileSystem == null)
throw new ArgumentNullException("fileSystem");
storage.Batch(accessor =>
{
using (fileSystem.DisableAllTriggersForCurrentThread())
{
fileSystem.Files.IndicateFileToDelete(fileName, null);
}
var putResult = accessor.PutFile(fileName, null, metadata);
fileSystem.Search.Index(fileName, metadata, putResult.Etag);
});
Metadata = metadata;
break;
default:
throw new ArgumentOutOfRangeException("storageStreamAccess", storageStreamAccess, "Unknown value");
}
}