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Diffstat (limited to 'include/leveldb/table_builder.h')
-rw-r--r-- | include/leveldb/table_builder.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/include/leveldb/table_builder.h b/include/leveldb/table_builder.h deleted file mode 100644 index 49d2d51..0000000 --- a/include/leveldb/table_builder.h +++ /dev/null @@ -1,86 +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. -// -// TableBuilder provides the interface used to build a Table -// (an immutable and sorted map from keys to values). - -#ifndef STORAGE_LEVELDB_INCLUDE_TABLE_BUILDER_H_ -#define STORAGE_LEVELDB_INCLUDE_TABLE_BUILDER_H_ - -#include <stdint.h> -#include "leveldb/options.h" -#include "leveldb/status.h" - -namespace leveldb { - -class BlockBuilder; -class BlockHandle; -class WritableFile; - -class TableBuilder { - public: - // Create a builder that will store the contents of the table it is - // building in *file. Does not close the file. It is up to the - // caller to close the file after calling Finish(). - TableBuilder(const Options& options, WritableFile* file); - - // REQUIRES: Either Finish() or Abandon() has been called. - ~TableBuilder(); - - // Change the options used by this builder. Note: only some of the - // option fields can be changed after construction. If a field is - // not allowed to change dynamically and its value in the structure - // passed to the constructor is different from its value in the - // structure passed to this method, this method will return an error - // without changing any fields. - Status ChangeOptions(const Options& options); - - // Add key,value to the table being constructed. - // REQUIRES: key is after any previously added key according to comparator. - // REQUIRES: Finish(), Abandon() have not been called - void Add(const Slice& key, const Slice& value); - - // Advanced operation: flush any buffered key/value pairs to file. - // Can be used to ensure that two adjacent entries never live in - // the same data block. Most clients should not need to use this method. - // REQUIRES: Finish(), Abandon() have not been called - void Flush(); - - // Return non-ok iff some error has been detected. - Status status() const; - - // Finish building the table. Stops using the file passed to the - // constructor after this function returns. - // REQUIRES: Finish(), Abandon() have not been called - Status Finish(); - - // Indicate that the contents of this builder should be abandoned. Stops - // using the file passed to the constructor after this function returns. - // If the caller is not going to call Finish(), it must call Abandon() - // before destroying this builder. - // REQUIRES: Finish(), Abandon() have not been called - void Abandon(); - - // Number of calls to Add() so far. - uint64_t NumEntries() const; - - // Size of the file generated so far. If invoked after a successful - // Finish() call, returns the size of the final generated file. - uint64_t FileSize() const; - - private: - bool ok() const { return status().ok(); } - void WriteBlock(BlockBuilder* block, BlockHandle* handle); - - struct Rep; - Rep* rep_; - - // No copying allowed - TableBuilder(const TableBuilder&); - void operator=(const TableBuilder&); -}; - -} - -#endif // STORAGE_LEVELDB_INCLUDE_TABLE_BUILDER_H_ |