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/*
* This file is part of spark, licensed under the MIT License.
*
* Copyright (c) lucko (Luck) <luck@lucko.me>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package me.lucko.spark.api;
import me.lucko.spark.api.gc.GarbageCollector;
import me.lucko.spark.api.statistic.StatisticWindow;
import me.lucko.spark.api.statistic.misc.DoubleAverageInfo;
import me.lucko.spark.api.statistic.types.DoubleStatistic;
import me.lucko.spark.api.statistic.types.GenericStatistic;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.jetbrains.annotations.Unmodifiable;
import java.util.Map;
/**
* The spark API.
*/
public interface Spark {
/**
* Gets the CPU usage statistic for the current process.
*
* @return the CPU process statistic
*/
@NonNull DoubleStatistic<StatisticWindow.CpuUsage> cpuProcess();
/**
* Gets the CPU usage statistic for the overall system.
*
* @return the CPU system statistic
*/
@NonNull DoubleStatistic<StatisticWindow.CpuUsage> cpuSystem();
/**
* Gets the ticks per second statistic.
*
* <p>Returns {@code null} if the statistic is not supported.</p>
*
* @return the ticks per second statistic
*/
@Nullable DoubleStatistic<StatisticWindow.TicksPerSecond> tps();
/**
* Gets the milliseconds per tick statistic.
*
* <p>Returns {@code null} if the statistic is not supported.</p>
*
* @return the milliseconds per tick statistic
*/
@Nullable GenericStatistic<DoubleAverageInfo, StatisticWindow.MillisPerTick> mspt();
/**
* Gets the garbage collector statistics.
*
* @return the garbage collector statistics
*/
@NonNull @Unmodifiable Map<String, GarbageCollector> gc();
}
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