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git-subtree-dir: src/rocksdb2 git-subtree-split: 37c6740c383bb9a6ee2747b04f08bc77fcfa10c5
35 lines
1.2 KiB
Java
35 lines
1.2 KiB
Java
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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package org.rocksdb;
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/**
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* Callback interface provided to StatisticsCollector.
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*
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* Thread safety:
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* StatisticsCollector doesn't make any guarantees about thread safety.
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* If the same reference of StatisticsCollectorCallback is passed to multiple
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* StatisticsCollector references, then its the responsibility of the
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* user to make StatisticsCollectorCallback's implementation thread-safe.
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*
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* @param tickerType
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* @param tickerCount
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*/
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public interface StatisticsCollectorCallback {
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/**
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* Callback function to get ticker values.
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* @param tickerType Ticker type.
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* @param tickerCount Value of ticker type.
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*/
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void tickerCallback(TickerType tickerType, long tickerCount);
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/**
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* Callback function to get histogram values.
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* @param histType Histogram type.
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* @param histData Histogram data.
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*/
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void histogramCallback(HistogramType histType, HistogramData histData);
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}
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