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a143ef9b38
Summary: Change namespace from leveldb to rocksdb. This allows a single application to link in open-source leveldb code as well as rocksdb code into the same process. Test Plan: compile rocksdb Reviewers: emayanke Reviewed By: emayanke CC: leveldb Differential Revision: https://reviews.facebook.net/D13287
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#ifndef MERGE_OPERATORS_H
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#define MERGE_OPERATORS_H
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#include <memory>
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#include <stdio.h>
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#include "rocksdb/merge_operator.h"
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namespace rocksdb {
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class MergeOperators {
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public:
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static std::shared_ptr<MergeOperator> CreatePutOperator();
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static std::shared_ptr<MergeOperator> CreateUInt64AddOperator();
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static std::shared_ptr<MergeOperator> CreateStringAppendOperator();
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static std::shared_ptr<MergeOperator> CreateStringAppendTESTOperator();
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// Will return a different merge operator depending on the string.
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// TODO: Hook the "name" up to the actual Name() of the MergeOperators?
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static std::shared_ptr<MergeOperator> CreateFromStringId(
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const std::string& name) {
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if (name == "put") {
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return CreatePutOperator();
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} else if ( name == "uint64add") {
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return CreateUInt64AddOperator();
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} else if (name == "stringappend") {
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return CreateStringAppendOperator();
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} else if (name == "stringappendtest") {
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return CreateStringAppendTESTOperator();
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} else {
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// Empty or unknown, just return nullptr
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return nullptr;
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}
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}
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};
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} // namespace rocksdb
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#endif
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