001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.ml.timeseries.series;
031
032import java.util.Iterator;
033import java.util.Map;
034
035import org.openimaj.ml.timeseries.IncompatibleTimeSeriesException;
036import org.openimaj.ml.timeseries.collection.SynchronisedTimeSeriesCollection;
037import org.openimaj.util.pair.IndependentPair;
038
039/**
040 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
041 *
042 */
043public class DoubleSynchronisedTimeSeriesCollection
044                extends
045                        SynchronisedTimeSeriesCollection<double[], Double, DoubleSynchronisedTimeSeriesCollection, DoubleTimeSeries>
046{
047
048        /**
049         * basic constructor
050         */
051        public DoubleSynchronisedTimeSeriesCollection() {
052        }
053
054        /**
055         * create a synchronised series from a bunch of pairs
056         * 
057         * @param series
058         * @throws IncompatibleTimeSeriesException
059         */
060        @SafeVarargs
061        public DoubleSynchronisedTimeSeriesCollection(IndependentPair<String, DoubleTimeSeries>... series)
062                        throws IncompatibleTimeSeriesException
063        {
064                for (final IndependentPair<String, DoubleTimeSeries> dts : series) {
065                        this.addTimeSeries(dts.firstObject(), dts.secondObject());
066                }
067        }
068
069        @Override
070        public DoubleTimeSeries internalNewInstance() {
071                return new DoubleTimeSeries();
072        }
073
074        @Override
075        public DoubleSynchronisedTimeSeriesCollection newInstance() {
076                return new DoubleSynchronisedTimeSeriesCollection();
077        }
078
079        @Override
080        public double[] flatten() {
081
082                final int tlength = this.getTimes().length;
083                final int nseries = this.nSeries();
084                final double[] flattened = new double[tlength * nseries];
085                int seriesi = 0;
086                for (final DoubleTimeSeries series : this.allseries()) {
087                        final double[] toCopy = series.getData();
088                        for (int timej = 0; timej < tlength; timej++) {
089                                flattened[seriesi + timej * nseries] = toCopy[timej];
090                        }
091                        seriesi++;
092                }
093                return flattened;
094        }
095
096        @Override
097        public Iterator<IndependentPair<Long, Map<String, Double>>> iterator() {
098                // return new Iterator<IndependentPair<Long,Map<String,Double>>>() {
099                // };
100                return null;
101        }
102}