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author | Ilya Zhuravlev <zhuravlevilya@ya.ru> | 2012-10-23 01:18:44 +0400 |
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committer | Sfan5 <sfan5@live.de> | 2013-09-09 22:50:50 +0200 |
commit | 58841ef12f6cba1bb622353c1fcaa0e3c6fb46c9 (patch) | |
tree | 6012bbb1905231025dff89aa73782a7c38666839 /src/leveldb/db/write_batch_internal.h | |
parent | 71a8769bb5ded4acb3f9e5a8502bb8af277f824d (diff) | |
download | hax-minetest-server-58841ef12f6cba1bb622353c1fcaa0e3c6fb46c9.tar.gz hax-minetest-server-58841ef12f6cba1bb622353c1fcaa0e3c6fb46c9.zip |
Add dummy and LevelDB database backends
Diffstat (limited to 'src/leveldb/db/write_batch_internal.h')
-rw-r--r-- | src/leveldb/db/write_batch_internal.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/leveldb/db/write_batch_internal.h b/src/leveldb/db/write_batch_internal.h new file mode 100644 index 000000000..4423a7f31 --- /dev/null +++ b/src/leveldb/db/write_batch_internal.h @@ -0,0 +1,49 @@ +// 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_DB_WRITE_BATCH_INTERNAL_H_ +#define STORAGE_LEVELDB_DB_WRITE_BATCH_INTERNAL_H_ + +#include "leveldb/write_batch.h" + +namespace leveldb { + +class MemTable; + +// WriteBatchInternal provides static methods for manipulating a +// WriteBatch that we don't want in the public WriteBatch interface. +class WriteBatchInternal { + public: + // Return the number of entries in the batch. + static int Count(const WriteBatch* batch); + + // Set the count for the number of entries in the batch. + static void SetCount(WriteBatch* batch, int n); + + // Return the seqeunce number for the start of this batch. + static SequenceNumber Sequence(const WriteBatch* batch); + + // Store the specified number as the seqeunce number for the start of + // this batch. + static void SetSequence(WriteBatch* batch, SequenceNumber seq); + + static Slice Contents(const WriteBatch* batch) { + return Slice(batch->rep_); + } + + static size_t ByteSize(const WriteBatch* batch) { + return batch->rep_.size(); + } + + static void SetContents(WriteBatch* batch, const Slice& contents); + + static Status InsertInto(const WriteBatch* batch, MemTable* memtable); + + static void Append(WriteBatch* dst, const WriteBatch* src); +}; + +} // namespace leveldb + + +#endif // STORAGE_LEVELDB_DB_WRITE_BATCH_INTERNAL_H_ |