foundationdb/bindings/flow/DirectorySubspace.h

66 lines
2.9 KiB
C++
Executable File

/*
* DirectorySubspace.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FDB_FLOW_DIRECTORY_SUBSPACE_H
#define FDB_FLOW_DIRECTORY_SUBSPACE_H
#pragma once
#include "IDirectory.h"
#include "DirectoryLayer.h"
#include "Subspace.h"
namespace FDB {
class DirectorySubspace : public IDirectory, public Subspace {
public:
DirectorySubspace(Path const& path, StringRef const& prefix, Reference<DirectoryLayer> directorLayer, Standalone<StringRef> const& layer = Standalone<StringRef>());
virtual ~DirectorySubspace() {}
virtual Future<Reference<DirectorySubspace>> create(Reference<Transaction> const& tr, Path const& path, Standalone<StringRef> const& layer = Standalone<StringRef>(),
Optional<Standalone<StringRef>> const& prefix = Optional<Standalone<StringRef>>());
virtual Future<Reference<DirectorySubspace>> open(Reference<Transaction> const& tr, Path const& path, Standalone<StringRef> const& layer = Standalone<StringRef>());
virtual Future<Reference<DirectorySubspace>> createOrOpen(Reference<Transaction> const& tr, Path const& path, Standalone<StringRef> const& layer = Standalone<StringRef>());
virtual Future<bool> exists(Reference<Transaction> const& tr, Path const& path = Path());
virtual Future<Standalone<VectorRef<StringRef>>> list(Reference<Transaction> const& tr, Path const& path = Path());
virtual Future<Reference<DirectorySubspace>> move(Reference<Transaction> const& tr, Path const& oldPath, Path const& newPath);
virtual Future<Reference<DirectorySubspace>> moveTo(Reference<Transaction> const& tr, Path const& newAbsolutePath);
virtual Future<Void> remove(Reference<Transaction> const& tr, Path const& path = Path());
virtual Future<bool> removeIfExists(Reference<Transaction> const& tr, Path const& path = Path());
virtual Reference<DirectoryLayer> getDirectoryLayer();
virtual const Standalone<StringRef> getLayer() const;
virtual const Path getPath() const;
protected:
Reference<DirectoryLayer> directoryLayer;
Path path;
Standalone<StringRef> layer;
virtual Path getPartitionSubpath(Path const& path, Reference<DirectoryLayer> directoryLayer = Reference<DirectoryLayer>()) const;
virtual Reference<DirectoryLayer> getDirectoryLayerForPath(Path const& path) const;
};
}
#endif