Java tutorial
/* * Copyright (C) 2017 Naoghuman * * This program 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, either version 3 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package com.github.naoghuman.testdata.abclist.service; import com.github.naoghuman.abclist.model.Exercise; import com.github.naoghuman.abclist.model.ModelProvider; import com.github.naoghuman.abclist.model.Topic; import com.github.naoghuman.abclist.sql.SqlProvider; import com.github.naoghuman.testdata.abclist.TestdataPresenter; import com.github.naoghuman.testdata.abclist.TestdataGenerator; import com.github.naoghuman.testdata.abclist.view.testdataexercise.TestdataExercisePresenter; import com.github.naoghuman.converter.DateConverter; import com.github.naoghuman.abclist.view.exercise.ETime; import com.github.naoghuman.lib.database.core.DatabaseFacade; import com.github.naoghuman.lib.database.core.CrudService; import com.github.naoghuman.lib.logger.core.LoggerFacade; import javafx.animation.PauseTransition; import javafx.animation.SequentialTransition; import javafx.beans.binding.Bindings; import javafx.beans.property.DoubleProperty; import javafx.beans.property.SimpleDoubleProperty; import javafx.collections.ObservableList; import javafx.concurrent.Service; import javafx.concurrent.Task; import javafx.concurrent.WorkerStateEvent; import javafx.event.ActionEvent; import javafx.util.Duration; import org.apache.commons.lang3.time.StopWatch; /** * * @author Naoghuman */ public class ExerciseService extends Service<Void> { private final long now = System.currentTimeMillis(); private final DoubleProperty entityProperty = new SimpleDoubleProperty(0.0d); private int saveMaxEntities = 0; private int timePeriod = 0; private long convertedTimePeriod = 0L; private TestdataExercisePresenter presenter = null; private String entityName = null; private String onStartMessage = null; public ExerciseService(String entityName) { this.entityName = entityName; } public void bind(TestdataExercisePresenter presenter) { this.presenter = presenter; saveMaxEntities = presenter.getSaveMaxEntities(); timePeriod = presenter.getTimePeriod(); String startTime = DateConverter.getDefault().convertLongToDateTime(now, DateConverter.PATTERN__DATE); int year = Integer.parseInt(startTime.substring(6)) - timePeriod; startTime = startTime.substring(0, 6) + year; final long convertedStartTime = DateConverter.getDefault().convertDateTimeToLong(startTime, DateConverter.PATTERN__DATE); convertedTimePeriod = now - convertedStartTime; entityProperty.unbind(); entityProperty.setValue(0); entityProperty.bind(super.progressProperty()); this.presenter.getProgressBarPercentInformation().textProperty().bind(Bindings.createStringBinding(() -> { int process = (int) (entityProperty.getValue() * 100.0d); if (process <= 0) { process = 0; } else { ++process; } return process + "%"; // NOI18N }, entityProperty)); this.presenter.progressPropertyFromEntityDream().unbind(); this.presenter.progressPropertyFromEntityDream().bind(super.progressProperty()); } private long createGenerationTime() { final long generationTime = now - DateConverter.getDefault().getLongInPeriodFromNowTo(convertedTimePeriod); return generationTime; } @Override protected Task<Void> createTask() { return new Task<Void>() { { updateProgress(0, saveMaxEntities); } @Override protected Void call() throws Exception { LoggerFacade.getDefault().deactivate(Boolean.TRUE); final StopWatch stopWatch = new StopWatch(); stopWatch.start(); final ObservableList<Topic> topics = SqlProvider.getDefault().findAllTopics(); final int removeMaxTopics = (int) (Double.parseDouble(String.valueOf(topics.size())) * 0.001d); for (int counter = removeMaxTopics; counter > 0; counter--) { topics.remove(TestdataGenerator.RANDOM.nextInt(topics.size())); } final int sizeTopics = topics.size(); final CrudService crudService = DatabaseFacade.getDefault().getCrudService(entityName); final ETime[] times = ETime.values(); final int sizeTimes = times.length; long id = -1_000_000_000L + DatabaseFacade.getDefault().getCrudService().count(entityName); for (int index = 0; index < saveMaxEntities; index++) { final Exercise exercise = ModelProvider.getDefault().getExercise(); exercise.setChoosenTime((times[TestdataGenerator.RANDOM.nextInt(sizeTimes)]).toString()); exercise.setConsolidated(false); // TODO later ? exercise.setFinishedTime(ExerciseService.this.createGenerationTime()); exercise.setGenerationTime(ExerciseService.this.createGenerationTime()); if (exercise.getGenerationTime() > exercise.getFinishedTime()) { final long generationTime = exercise.getGenerationTime(); final long finishedTime = exercise.getFinishedTime(); exercise.setGenerationTime(finishedTime); exercise.setFinishedTime(generationTime); } exercise.setId(id++); exercise.setReady(TestdataGenerator.RANDOM.nextDouble() > 0.001d); // TODO if ready then add terms final long topicId = topics.get(TestdataGenerator.RANDOM.nextInt(sizeTopics)).getId(); exercise.setTopicId(topicId); crudService.create(exercise); updateProgress(index, saveMaxEntities); } LoggerFacade.getDefault().deactivate(Boolean.FALSE); stopWatch.split(); LoggerFacade.getDefault().debug(this.getClass(), " + " + stopWatch.toSplitString() + " for " + saveMaxEntities + " Exercises."); // NOI18N stopWatch.stop(); return null; } }; } public void setOnStart(String onStartMessage) { this.onStartMessage = onStartMessage; } public void setOnSuccededAfterService(TestdataPresenter testdataPresenter, String onSucceededMessage) { super.setOnSucceeded((WorkerStateEvent t) -> { LoggerFacade.getDefault().debug(this.getClass(), onSucceededMessage); presenter.setProgressBarInformation(onSucceededMessage); if (!presenter.getProgressBarPercentInformation().getText().equals("100%")) { // NOI18N presenter.getProgressBarPercentInformation().textProperty().unbind(); presenter.getProgressBarPercentInformation().setText("100%"); // NOI18N } if (testdataPresenter != null) { testdataPresenter.cleanUpAfterServices(); } }); } @Override public void start() { final SequentialTransition sequentialTransition = new SequentialTransition(); final PauseTransition ptProgressBarInformation = new PauseTransition(); ptProgressBarInformation.setDuration(Duration.millis(250.0d)); ptProgressBarInformation.setOnFinished((ActionEvent event) -> { presenter.setProgressBarInformation(onStartMessage); }); sequentialTransition.getChildren().add(ptProgressBarInformation); final PauseTransition ptStart = new PauseTransition(); ptStart.setDuration(Duration.millis(1000.0d)); ptStart.setOnFinished((ActionEvent event) -> { super.start(); }); sequentialTransition.getChildren().add(ptStart); sequentialTransition.playFromStart(); } }