content/browser/indexed_db/leveldb/leveldb_write_batch.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/indexed_db/leveldb/leveldb_write_batch.h"
   6
   7 #include "base/strings/string_piece.h"
   8 #include "third_party/leveldatabase/src/include/leveldb/slice.h"
   9 #include "third_party/leveldatabase/src/include/leveldb/write_batch.h"
  10
  11 namespace content {
  12
  13 scoped_ptr<LevelDBWriteBatch> LevelDBWriteBatch::Create() {
  14   return make_scoped_ptr(new LevelDBWriteBatch);
  15 }
  16
  17 LevelDBWriteBatch::LevelDBWriteBatch()
  18     : write_batch_(new leveldb::WriteBatch) {}
  19
  20 LevelDBWriteBatch::~LevelDBWriteBatch() {}
  21
  22 static leveldb::Slice MakeSlice(const base::StringPiece& s) {
  23   return leveldb::Slice(s.begin(), s.size());
  24 }
  25
  26 void LevelDBWriteBatch::Put(const base::StringPiece& key,
  27                             const base::StringPiece& value) {
  28   write_batch_->Put(MakeSlice(key), MakeSlice(value));
  29 }
  30
  31 void LevelDBWriteBatch::Remove(const base::StringPiece& key) {
  32   write_batch_->Delete(MakeSlice(key));
  33 }
  34
  35 void LevelDBWriteBatch::Clear() { write_batch_->Clear(); }
  36
  37 }  // namespace content