Remove FactoryFunc from LoadXXXObject (#11203)
Summary: The primary purpose of the FactoryFunc was to support LITE mode where the ObjectRegistry was not available. With the removal of LITE mode, the function was no longer required. Note that the MergeOperator had some private classes defined in header files. To gain access to their constructors (and name methods), the class definitions were moved into header files. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11203 Reviewed By: cbi42 Differential Revision: D43160255 Pulled By: pdillinger fbshipit-source-id: f3a465fd5d1a7049b73ecf31e4b8c3762f6dae6coxigraph-8.1.1
mrambacher
2 years ago
committed by
Facebook GitHub Bot
parent
25e1365227
commit
b6640c3117
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Merge operator that picks the maximum operand, Comparison is based on
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// Slice::compare
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#pragma once |
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#include "rocksdb/merge_operator.h" |
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namespace ROCKSDB_NAMESPACE { |
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class Logger; |
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class Slice; |
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class MaxOperator : public MergeOperator { |
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public: |
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static const char* kClassName() { return "MaxOperator"; } |
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static const char* kNickName() { return "max"; } |
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const char* Name() const override { return kClassName(); } |
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const char* NickName() const override { return kNickName(); } |
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bool FullMergeV2(const MergeOperationInput& merge_in, |
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MergeOperationOutput* merge_out) const override; |
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bool PartialMerge(const Slice& /*key*/, const Slice& left_operand, |
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const Slice& right_operand, std::string* new_value, |
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Logger* /*logger*/) const override; |
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bool PartialMergeMulti(const Slice& /*key*/, |
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const std::deque<Slice>& operand_list, |
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std::string* new_value, |
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Logger* /*logger*/) const override; |
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}; |
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} // namespace ROCKSDB_NAMESPACE
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// A merge operator that mimics Put semantics
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// Since this merge-operator will not be used in production,
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// it is implemented as a non-associative merge operator to illustrate the
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// new interface and for testing purposes. (That is, we inherit from
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// the MergeOperator class rather than the AssociativeMergeOperator
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// which would be simpler in this case).
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//
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// From the client-perspective, semantics are the same.
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#pragma once |
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#include "rocksdb/merge_operator.h" |
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namespace ROCKSDB_NAMESPACE { |
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class Logger; |
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class Slice; |
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class PutOperator : public MergeOperator { |
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public: |
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static const char* kClassName() { return "PutOperator"; } |
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static const char* kNickName() { return "put_v1"; } |
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const char* Name() const override { return kClassName(); } |
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const char* NickName() const override { return kNickName(); } |
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bool FullMerge(const Slice& /*key*/, const Slice* /*existing_value*/, |
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const std::deque<std::string>& operand_sequence, |
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std::string* new_value, Logger* /*logger*/) const override; |
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bool PartialMerge(const Slice& /*key*/, const Slice& left_operand, |
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const Slice& right_operand, std::string* new_value, |
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Logger* /*logger*/) const override; |
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using MergeOperator::PartialMergeMulti; |
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bool PartialMergeMulti(const Slice& /*key*/, |
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const std::deque<Slice>& operand_list, |
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std::string* new_value, |
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Logger* /*logger*/) const override; |
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}; |
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class PutOperatorV2 : public PutOperator { |
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public: |
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static const char* kNickName() { return "put"; } |
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const char* NickName() const override { return kNickName(); } |
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bool FullMerge(const Slice& /*key*/, const Slice* /*existing_value*/, |
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const std::deque<std::string>& /*operand_sequence*/, |
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std::string* /*new_value*/, Logger* /*logger*/) const override; |
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bool FullMergeV2(const MergeOperationInput& merge_in, |
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MergeOperationOutput* merge_out) const override; |
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}; |
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} // namespace ROCKSDB_NAMESPACE
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@ -0,0 +1,35 @@ |
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// A 'model' merge operator with uint64 addition semantics
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// Implemented as an AssociativeMergeOperator for simplicity and example.
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#pragma once |
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#include "rocksdb/merge_operator.h" |
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#include "utilities/merge_operators.h" |
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namespace ROCKSDB_NAMESPACE { |
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class Logger; |
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class Slice; |
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class UInt64AddOperator : public AssociativeMergeOperator { |
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public: |
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static const char* kClassName() { return "UInt64AddOperator"; } |
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static const char* kNickName() { return "uint64add"; } |
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const char* Name() const override { return kClassName(); } |
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const char* NickName() const override { return kNickName(); } |
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bool Merge(const Slice& /*key*/, const Slice* existing_value, |
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const Slice& value, std::string* new_value, |
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Logger* logger) const override; |
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private: |
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// Takes the string and decodes it into a uint64_t
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// On error, prints a message and returns 0
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uint64_t DecodeInteger(const Slice& value, Logger* logger) const; |
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}; |
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} // namespace ROCKSDB_NAMESPACE
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