mirror of
https://github.com/facebook/sapling.git
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8b9261f2a1
Summary: Per discussion with bolinfest, this brings Eden in line with clang-format. This diff was generated with `find . \( -iname '*.cpp' -o -iname '*.h' \) -exec bash -c "yes | arc lint {}" \;` Reviewed By: bolinfest Differential Revision: D6232695 fbshipit-source-id: d54942bf1c69b5b0dcd4df629f1f2d5538c9e28c
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#pragma once
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#include <memory>
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namespace folly {
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template <typename T>
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class Future;
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}
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namespace facebook {
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namespace eden {
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class Blob;
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class Hash;
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class Tree;
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/**
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* Abstract interface for a BackingStore.
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*
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* A BackingStore fetches tree and blob information from an external
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* authoritative data source.
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*
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* BackingStore implementations must be thread-safe, and perform their own
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* internal locking.
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*/
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class BackingStore {
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public:
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BackingStore() {}
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virtual ~BackingStore() {}
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virtual folly::Future<std::unique_ptr<Tree>> getTree(const Hash& id) = 0;
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virtual folly::Future<std::unique_ptr<Blob>> getBlob(const Hash& id) = 0;
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virtual folly::Future<std::unique_ptr<Tree>> getTreeForCommit(
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const Hash& commitID) = 0;
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private:
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// Forbidden copy constructor and assignment operator
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BackingStore(BackingStore const&) = delete;
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BackingStore& operator=(BackingStore const&) = delete;
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};
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} // namespace eden
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} // namespace facebook
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