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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use
Drools Planner.
/*
* Copyright 2010 JBoss Inc
*
* 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.drools.planner.examples.common.persistence;
import java.io.File;
import java.util.Arrays;
import org.drools.planner.core.solution.Solution;
import org.drools.planner.examples.common.app.LoggingMain;
public abstract class AbstractSolutionImporter extends LoggingMain {
protected static final String DEFAULT_OUTPUT_FILE_SUFFIX = ".xml";
protected SolutionDao solutionDao;
public AbstractSolutionImporter(SolutionDao solutionDao) {
this.solutionDao = solutionDao;
}
protected File getInputDir() {
return new File(solutionDao.getDataDir(), "input");
}
protected abstract String getInputFileSuffix();
protected File getOutputDir() {
return new File(solutionDao.getDataDir(), "unsolved");
}
protected String getOutputFileSuffix() {
return DEFAULT_OUTPUT_FILE_SUFFIX;
}
public void convertAll() {
File inputDir = getInputDir();
File outputDir = getOutputDir();
File[] inputFiles = inputDir.listFiles();
if (inputFiles == null) {
throw new IllegalArgumentException(
"Your working dir should be drools-planner-examples and contain: " + inputDir);
}
Arrays.sort(inputFiles);
for (File inputFile : inputFiles) {
String inputFileName = inputFile.getName();
if (inputFileName.endsWith(getInputFileSuffix())) {
Solution solution = readSolution(inputFile);
String outputFileName = inputFileName.substring(0,
inputFileName.length() - getInputFileSuffix().length())
+ getOutputFileSuffix();
File outputFile = new File(outputDir, outputFileName);
solutionDao.writeSolution(solution, outputFile);
}
}
}
public abstract Solution readSolution(File inputFile);
}