root/content/browser/indexed_db/leveldb/leveldb_write_batch.cc

DEFINITIONS

1. Create
2. MakeSlice
3. Put
4. Remove
5. Clear

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/indexed_db/leveldb/leveldb_write_batch.h"

#include "base/strings/string_piece.h"
#include "third_party/leveldatabase/src/include/leveldb/slice.h"
#include "third_party/leveldatabase/src/include/leveldb/write_batch.h"

namespace content {

scoped_ptr<LevelDBWriteBatch> LevelDBWriteBatch::Create() {
  return make_scoped_ptr(new LevelDBWriteBatch);
}

LevelDBWriteBatch::LevelDBWriteBatch()
    : write_batch_(new leveldb::WriteBatch) {}

LevelDBWriteBatch::~LevelDBWriteBatch() {}

static leveldb::Slice MakeSlice(const base::StringPiece& s) {
  return leveldb::Slice(s.begin(), s.size());
}

void LevelDBWriteBatch::Put(const base::StringPiece& key,
                            const base::StringPiece& value) {
  write_batch_->Put(MakeSlice(key), MakeSlice(value));
}

void LevelDBWriteBatch::Remove(const base::StringPiece& key) {
  write_batch_->Delete(MakeSlice(key));
}

void LevelDBWriteBatch::Clear() { write_batch_->Clear(); }

}  // namespace content