65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/*
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* DirectoryPartition.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_PARTITION_H
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#define FDB_FLOW_DIRECTORY_PARTITION_H
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#pragma once
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#include "IDirectory.h"
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#include "DirectorySubspace.h"
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#include "DirectoryLayer.h"
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namespace FDB {
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class DirectoryPartition : public DirectorySubspace {
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public:
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DirectoryPartition(Path const& path, StringRef const& prefix, Reference<DirectoryLayer> parentDirectoryLayer)
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: DirectorySubspace(path,
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prefix,
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Reference<DirectoryLayer>(new DirectoryLayer(
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Subspace(DirectoryLayer::DEFAULT_NODE_SUBSPACE_PREFIX.withPrefix(prefix)),
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Subspace(prefix))),
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DirectoryLayer::PARTITION_LAYER),
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parentDirectoryLayer(parentDirectoryLayer) {
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this->directoryLayer->path = path;
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}
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virtual ~DirectoryPartition() {}
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virtual Key key() const { throw cannot_use_partition_as_subspace(); }
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virtual bool contains(KeyRef const& key) const { throw cannot_use_partition_as_subspace(); }
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virtual Key pack(Tuple const& tuple = Tuple()) const { throw cannot_use_partition_as_subspace(); }
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virtual Tuple unpack(KeyRef const& key) const { throw cannot_use_partition_as_subspace(); }
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virtual KeyRange range(Tuple const& tuple = Tuple()) const { throw cannot_use_partition_as_subspace(); }
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virtual Subspace subspace(Tuple const& tuple) const { throw cannot_use_partition_as_subspace(); }
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virtual Subspace get(Tuple const& tuple) const { throw cannot_use_partition_as_subspace(); }
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protected:
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Reference<DirectoryLayer> parentDirectoryLayer;
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virtual Reference<DirectoryLayer> getDirectoryLayerForPath(Path const& path) const {
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return path.empty() ? parentDirectoryLayer : directoryLayer;
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}
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};
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} // namespace FDB
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#endif |