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.demos.sandbox.ml.linear.learner.stream;
031
032import java.io.IOException;
033import java.net.MalformedURLException;
034import java.util.Map;
035
036import org.openimaj.util.function.Operation;
037import org.openimaj.util.function.context.ContextFunctionAdaptor;
038import org.openimaj.util.function.context.ContextOperationAdaptor;
039import org.openimaj.util.stream.window.ContextRealTimeWindowFunction;
040import org.openimaj.util.stream.window.WindowAverage;
041
042/**
043 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
044 *
045 */
046public class FinancialStreamTest {
047        /**
048         * @param args
049         * @throws MalformedURLException
050         * @throws IOException
051         */
052        public static void main(String[] args) throws MalformedURLException, IOException {
053
054                // The financial stream
055                ContextRealTimeWindowFunction<Map<String,Double>> yahooWindow = new ContextRealTimeWindowFunction<Map<String,Double>>(1000);
056                new YahooFinanceStream(true,"apple","google")
057                .transform(yahooWindow)
058                .map(ContextFunctionAdaptor.create("item", "averageticks", new WindowAverage()))
059                .forEach(ContextOperationAdaptor.create(new Operation<Map<String,Double>>() {
060                        @Override
061                        public void perform(Map<String, Double> object) {
062                                System.out.println(object);
063                        }
064                },
065                                "averageticks"
066                        )
067                );
068
069
070        }
071}