Java tutorial
/* * The MIT License * * Copyright 2016 cambierr. * * 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 com.github.lynxdb.server.core.aggregators; import com.github.lynxdb.server.core.Aggregator; import com.github.lynxdb.server.core.Entry; import com.github.lynxdb.server.core.TimeSerie; import java.util.List; import org.springframework.stereotype.Component; /** * * @author cambierr */ @Component public class Min extends Aggregator { public final static String NAME = "min"; @Override public String getName() { return NAME; } @Override public TimeSerie aggregate(List<TimeSerie> _series) { return doInterpolate(_series, new Reducer() { double min; @Override public void update(Entry _entry) { if (_entry.getValue() < min) { min = _entry.getValue(); } } @Override public double result() { return min; } @Override public void reset() { min = Double.MAX_VALUE; } }); } @Override public TimeSerie downsample(TimeSerie _serie, long _period) { return doDownsampling(_serie, _period, new Reducer() { double min; @Override public void update(Entry _entry) { if (_entry.getValue() < min) { min = _entry.getValue(); } } @Override public double result() { return min; } @Override public void reset() { min = Double.MAX_VALUE; } }); } }