169 lines
4.6 KiB
Java
169 lines
4.6 KiB
Java
package de.wwwu.awolf.presenter;
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import de.wwwu.awolf.model.Line;
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import de.wwwu.awolf.model.LineModel;
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import de.wwwu.awolf.model.communication.Data;
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import de.wwwu.awolf.presenter.algorithms.Algorithm;
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import de.wwwu.awolf.presenter.algorithms.AlgorithmHandler;
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import de.wwwu.awolf.presenter.data.DataHandler;
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import de.wwwu.awolf.presenter.evaluation.EvaluatationHandler;
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import de.wwwu.awolf.presenter.util.Logging;
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import de.wwwu.awolf.view.ViewController;
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import java.util.Objects;
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import java.util.Set;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Flow;
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import javafx.application.Platform;
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import javafx.beans.property.BooleanProperty;
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/**
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* Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
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*
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* @Author: Armin Wolf
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* @Email: a_wolf28@uni-muenster.de
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* @Date: 10.09.2017.
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*/
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public abstract class AbstractPresenter implements Flow.Subscriber<Data> {
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private final ExecutorService executor;
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private LineModel model;
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private ViewController view;
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private EvaluatationHandler evaluatationHandler;
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private DataHandler dataHandler;
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private AlgorithmHandler algorithmHandler;
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/**
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* Konstruktor
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*/
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public AbstractPresenter() {
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Logging.logDebug("Create instance of Presenter.");
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this.executor = Executors.newCachedThreadPool();
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this.dataHandler = new DataHandler(this);
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this.algorithmHandler = AlgorithmHandler.getInstance();
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//empty model
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this.model = new LineModel();
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//init values null
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this.view = null;
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}
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@Override
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public void onSubscribe(Flow.Subscription subscription) {
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Logging.logInfo("New Subscription: " + subscription.toString());
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subscription.request(15);
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}
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@Override
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public void onNext(Data data) {
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Logging.logDebug("Presenter received message. Type: " + data.getType());
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switch (data.getType()) {
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case EVALUATION_TABLE_DATA:
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evaluatedDatas(data);
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break;
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case ALGORITHM:
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visualizeAlgorithm(data);
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break;
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default:
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break;
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}
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}
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protected abstract void visualizeAlgorithm(Data data);
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protected abstract void evaluatedDatas(Data data);
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@Override
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public void onError(Throwable throwable) {
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}
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@Override
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public void onComplete() {
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}
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/**
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* Execute an algorithm specified by a type
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*
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* @param type algorithm type
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* @param lines set of lines
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*/
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public void executeAlgorithmByType(Algorithm.Type type, Set<Line> lines) {
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this.algorithmHandler.runAlgorithmByType(type, lines);
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}
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/**
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* Execute an algorithm specified by a type
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*
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* @param type algorithm type
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* @param lines set of lines
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*/
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public void executeAlgorithmByType(Algorithm.Type type, Set<Line> lines,
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BooleanProperty guiFlag) {
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this.algorithmHandler.runAlgorithmByType(type, lines, guiFlag);
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}
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/**
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* Execute an algorithm specified by a type (use the Lines from the LineModel)
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*
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* @param type algorithm type
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*/
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public Line executeAlgorithmByType(Algorithm.Type type, BooleanProperty guiFlag) {
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if (getModel().getSize() == 0) {
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Logging.logDebug("No lines in the Model. Nothing to calculate.");
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throw new IllegalArgumentException();
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} else {
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Logging.logDebug("AlgorithmHandler will start " + type.getLabel() + ", with " + getModel().getSize());
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return this.algorithmHandler.runAlgorithmByType(type, getModel().getLines(), guiFlag);
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}
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}
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/**
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* @return das zu grunde legende Modell
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*/
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public LineModel getModel() {
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return model;
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}
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/**
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* @return die zu grunde legende View
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*/
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public ViewController getView() {
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return view;
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}
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/**
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* @param view die zu grunde legende View
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*/
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public void registerView(ViewController view) {
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this.view = view;
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Logging.logDebug("View has been set.");
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//customize gui
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Platform.runLater(() -> this.view.initGui());
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}
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/**
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* @return Evaluation
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*/
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EvaluatationHandler getEvaluatationHandler() {
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return evaluatationHandler;
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}
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DataHandler getDataHandler() {
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return dataHandler;
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}
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/**
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* Returns the instance of the ExecutorService
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*
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* @return ExecutorService instance
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*/
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public ExecutorService getExecutor() {
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return Objects.requireNonNullElseGet(executor, Executors::newCachedThreadPool);
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}
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}
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