rocksdb/java/rocksjni/statisticsjni.cc

// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// This file implements the callback "bridge" between Java and C++ for
// rocksdb::Statistics

#include "rocksjni/statisticsjni.h"

namespace rocksdb {

  StatisticsJni::StatisticsJni(std::shared_ptr<Statistics> stats)
      : StatisticsImpl(stats, false), m_ignore_histograms() {
  }

  StatisticsJni::StatisticsJni(std::shared_ptr<Statistics> stats,
      const std::set<uint32_t> ignore_histograms) : StatisticsImpl(stats, false),
      m_ignore_histograms(ignore_histograms) {
  }

  bool StatisticsJni::HistEnabledForType(uint32_t type) const {
    if (type >= HISTOGRAM_ENUM_MAX) {
      return false;
    }
    
    if (m_ignore_histograms.count(type) > 0) {
        return false;
    }

    return true;
  }
};