rocksdb/utilities/blob_db/ttl_extractor.cc

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
//  This source code is licensed under both the GPLv2 (found in the
//  COPYING file in the root directory) and Apache 2.0 License
//  (found in the LICENSE.Apache file in the root directory).
#ifndef ROCKSDB_LITE

#include "utilities/blob_db/blob_db.h"
#include "util/coding.h"

namespace rocksdb {
namespace blob_db {

bool TTLExtractor::ExtractTTL(const Slice& /*key*/, const Slice& /*value*/,
                              uint64_t* /*ttl*/, std::string* /*new_value*/,
                              bool* /*value_changed*/) {
  return false;
}

bool TTLExtractor::ExtractExpiration(const Slice& key, const Slice& value,
                                     uint64_t now, uint64_t* expiration,
                                     std::string* new_value,
                                     bool* value_changed) {
  uint64_t ttl;
  bool has_ttl = ExtractTTL(key, value, &ttl, new_value, value_changed);
  if (has_ttl) {
    *expiration = now + ttl;
  }
  return has_ttl;
}

}  // namespace blob_db
}  // namespace rocksdb

#endif  // ROCKSDB_LITE