org.rocksdb.StatisticsCollectorCallback Maven / Gradle / Ivy
// 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).
package org.rocksdb;
/**
* Callback interface provided to StatisticsCollector.
*
* Thread safety:
* StatisticsCollector doesn't make any guarantees about thread safety.
* If the same reference of StatisticsCollectorCallback is passed to multiple
* StatisticsCollector references, then its the responsibility of the
* user to make StatisticsCollectorCallback's implementation thread-safe.
*
*/
public interface StatisticsCollectorCallback {
/**
* Callback function to get ticker values.
* @param tickerType Ticker type.
* @param tickerCount Value of ticker type.
*/
void tickerCallback(TickerType tickerType, long tickerCount);
/**
* Callback function to get histogram values.
* @param histType Histogram type.
* @param histData Histogram data.
*/
void histogramCallback(HistogramType histType, HistogramData histData);
}