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34 lines
1,011 B
C
34 lines
1,011 B
C
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#ifndef STORAGE_LEVELDB_INCLUDE_STATISTICS_H_
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#define STORAGE_LEVELDB_INCLUDE_STATISTICS_H_
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namespace leveldb {
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// Analyze the performance of a db
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class Statistics {
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public:
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// Create an Statistics object with default values for all fields.
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Statistics() : numFileOpens_(0), numFileCloses_(0),
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numFileErrors_(0) {}
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virtual void incNumFileOpens() = 0;
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virtual void incNumFileCloses() = 0;
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virtual void incNumFileErrors() = 0;
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virtual long getNumFileOpens() { return numFileOpens_;}
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virtual long getNumFileCloses() { return numFileCloses_;}
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virtual long getNumFileErrors() { return numFileErrors_;}
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protected:
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long numFileOpens_;
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long numFileCloses_;
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long numFileErrors_;
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};
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} // namespace leveldb
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#endif // STORAGE_LEVELDB_INCLUDE_STATISTICS_H_
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