Java tutorial
/* * Copyright 2013 Red Hat, Inc. and/or its affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.optaplanner.examples.common.persistence; import java.io.File; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.apache.commons.io.FileUtils; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.optaplanner.core.api.domain.solution.PlanningSolution; import org.optaplanner.examples.common.app.CommonApp; import org.optaplanner.examples.common.app.LoggingTest; import org.optaplanner.examples.common.business.ProblemFileComparator; import org.optaplanner.persistence.common.api.domain.solution.SolutionFileIO; /** * @param <Solution_> the solution type, the class with the {@link PlanningSolution} annotation */ @RunWith(Parameterized.class) public abstract class OpenDataFilesTest<Solution_> extends LoggingTest { protected static <Solution_> Collection<Object[]> getSolutionFilesAsParameters(CommonApp<Solution_> commonApp) { List<File> fileList = new ArrayList<>(0); File dataDir = CommonApp.determineDataDir(commonApp.getDataDirName()); File unsolvedDataDir = new File(dataDir, "unsolved"); if (!unsolvedDataDir.exists()) { throw new IllegalStateException( "The directory unsolvedDataDir (" + unsolvedDataDir.getAbsolutePath() + ") does not exist."); } String inputFileExtension = commonApp.createSolutionFileIO().getInputFileExtension(); fileList.addAll(FileUtils.listFiles(unsolvedDataDir, new String[] { inputFileExtension }, true)); File solvedDataDir = new File(dataDir, "solved"); if (solvedDataDir.exists()) { String outputFileExtension = commonApp.createSolutionFileIO().getOutputFileExtension(); fileList.addAll(FileUtils.listFiles(solvedDataDir, new String[] { outputFileExtension }, true)); } fileList.sort(new ProblemFileComparator()); List<Object[]> filesAsParameters = new ArrayList<>(); for (File file : fileList) { filesAsParameters.add(new Object[] { file }); } return filesAsParameters; } protected final CommonApp<Solution_> commonApp; protected final File solutionFile; protected SolutionFileIO<Solution_> solutionFileIO; protected OpenDataFilesTest(CommonApp<Solution_> commonApp, File solutionFile) { this.commonApp = commonApp; this.solutionFile = solutionFile; } @Before public void setUp() { solutionFileIO = commonApp.createSolutionFileIO(); } @Test public void readSolution() { solutionFileIO.read(solutionFile); logger.info("Opened: {}", solutionFile); } }