Java tutorial
/** * Copyright (C) 2015 Envidatec GmbH <info@envidatec.com> * * This file is part of JECommons. * * JECommons is free software: you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation in version 3. * * JECommons is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * JECommons. If not, see <http://www.gnu.org/licenses/>. * * JECommons is part of the OpenJEVis project, further project information are * published at <http://www.OpenJEVis.org/>. */ package org.jevis.commons.dataprocessing.processor; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import org.jevis.api.JEVisException; import org.jevis.api.JEVisSample; import org.jevis.commons.dataprocessing.DataProcessor; import org.jevis.commons.dataprocessing.Options; import org.jevis.commons.dataprocessing.Task; import org.jevis.commons.dataprocessing.VirtuelSample; import static org.jevis.commons.dataprocessing.Options.getAllTimestamps; import org.jevis.commons.dataprocessing.VirtualAttribute; import org.joda.time.DateTime; import org.joda.time.Interval; import org.joda.time.Period; /** * * @author Florian Simon <florian.simon@envidatec.com> */ public class AggrigatorProcessor implements DataProcessor { public static final String NAME = "Aggrigator"; @Override public List<JEVisSample> getResult(Task mainTask) { List<JEVisSample> result = new ArrayList<>(); // // // List<Interval> durations = ProcessController.buildIntervals(Period.days(1), ProcessController.getOffset(), samples.get(0).getTimestamp(), samples.get(samples.size() - 1).getTimestamp()); List<Map<DateTime, JEVisSample>> sampleMaps = new ArrayList<>(); List<List<JEVisSample>> allSamples = new ArrayList<>(); for (Task task : mainTask.getSubTasks()) { allSamples.add(task.getResult()); System.out.println("Add input result: " + allSamples.size()); } List<DateTime> allTimestamps = getAllTimestamps(allSamples); List<Interval> intervals = Options.getIntervals(mainTask, allTimestamps.get(0), allTimestamps.get(allTimestamps.size() - 1)); System.out.println("intervals: " + intervals.size()); int lastPos = 0; for (Interval interval : intervals) { List<JEVisSample> samplesInPeriod = new ArrayList<>(); System.out.println("interval: " + interval); for (List<JEVisSample> samples : allSamples) { for (int i = lastPos; i < samples.size(); i++) { try { if (interval.contains(samples.get(i).getTimestamp())) { // System.out.println("add sample: " + samples.get(i)); samplesInPeriod.add(samples.get(i)); } else if (samples.get(i).getTimestamp().isAfter(interval.getEnd())) { lastPos = i; break; } } catch (JEVisException ex) { System.out.println("JEVisExeption while going trou sample: " + ex.getMessage()); } } double sum = 0; for (JEVisSample sample : samplesInPeriod) { try { sum += sample.getValueAsDouble(); } catch (JEVisException ex) { Logger.getLogger(AggrigatorProcessor.class.getName()).log(Level.SEVERE, null, ex); } } JEVisSample resultSum = new VirtuelSample(interval.getStart(), sum, mainTask.getJEVisDataSource(), new VirtualAttribute(null)); result.add(resultSum); try { System.out.println( "resultSum: " + resultSum.getTimestamp() + " " + resultSum.getValueAsDouble()); } catch (JEVisException ex) { Logger.getLogger(AggrigatorProcessor.class.getName()).log(Level.SEVERE, null, ex); } } } return result; } @Override public String getName() { return NAME; } @Override public void resetResult() { } }