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Diffstat (limited to 'src/leveldb/table/block_builder.h')
-rw-r--r-- | src/leveldb/table/block_builder.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/leveldb/table/block_builder.h b/src/leveldb/table/block_builder.h deleted file mode 100644 index 5b545bd1a..000000000 --- a/src/leveldb/table/block_builder.h +++ /dev/null @@ -1,57 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#ifndef STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_ -#define STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_ - -#include <vector> - -#include <stdint.h> -#include "leveldb/slice.h" - -namespace leveldb { - -struct Options; - -class BlockBuilder { - public: - explicit BlockBuilder(const Options* options); - - // Reset the contents as if the BlockBuilder was just constructed. - void Reset(); - - // REQUIRES: Finish() has not been callled since the last call to Reset(). - // REQUIRES: key is larger than any previously added key - void Add(const Slice& key, const Slice& value); - - // Finish building the block and return a slice that refers to the - // block contents. The returned slice will remain valid for the - // lifetime of this builder or until Reset() is called. - Slice Finish(); - - // Returns an estimate of the current (uncompressed) size of the block - // we are building. - size_t CurrentSizeEstimate() const; - - // Return true iff no entries have been added since the last Reset() - bool empty() const { - return buffer_.empty(); - } - - private: - const Options* options_; - std::string buffer_; // Destination buffer - std::vector<uint32_t> restarts_; // Restart points - int counter_; // Number of entries emitted since restart - bool finished_; // Has Finish() been called? - std::string last_key_; - - // No copying allowed - BlockBuilder(const BlockBuilder&); - void operator=(const BlockBuilder&); -}; - -} // namespace leveldb - -#endif // STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_ |