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