Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/src/rocksdb/table/adaptive/adaptive_table_factory.h b/src/rocksdb/table/adaptive/adaptive_table_factory.h
new file mode 100644
index 000000000..3b631942d
--- /dev/null
+++ b/src/rocksdb/table/adaptive/adaptive_table_factory.h
@@ -0,0 +1,58 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// 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.
+
+#pragma once
+
+#ifndef ROCKSDB_LITE
+
+#include <string>
+
+#include "rocksdb/options.h"
+#include "rocksdb/table.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+struct EnvOptions;
+
+class Status;
+class RandomAccessFile;
+class WritableFile;
+class Table;
+class TableBuilder;
+
+class AdaptiveTableFactory : public TableFactory {
+ public:
+  ~AdaptiveTableFactory() {}
+
+  explicit AdaptiveTableFactory(
+      std::shared_ptr<TableFactory> table_factory_to_write,
+      std::shared_ptr<TableFactory> block_based_table_factory,
+      std::shared_ptr<TableFactory> plain_table_factory,
+      std::shared_ptr<TableFactory> cuckoo_table_factory);
+
+  const char* Name() const override { return "AdaptiveTableFactory"; }
+
+  using TableFactory::NewTableReader;
+  Status NewTableReader(
+      const ReadOptions& ro, const TableReaderOptions& table_reader_options,
+      std::unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
+      std::unique_ptr<TableReader>* table,
+      bool prefetch_index_and_filter_in_cache = true) const override;
+
+  TableBuilder* NewTableBuilder(
+      const TableBuilderOptions& table_builder_options,
+      WritableFileWriter* file) const override;
+
+  std::string GetPrintableOptions() const override;
+
+ private:
+  std::shared_ptr<TableFactory> table_factory_to_write_;
+  std::shared_ptr<TableFactory> block_based_table_factory_;
+  std::shared_ptr<TableFactory> plain_table_factory_;
+  std::shared_ptr<TableFactory> cuckoo_table_factory_;
+};
+
+}  // namespace ROCKSDB_NAMESPACE
+#endif  // ROCKSDB_LITE