/*
* Copyright 2012 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.cloudbalancing.app;
import org.drools.planner.config.SolverFactory;
import org.drools.planner.config.XmlSolverFactory;
import org.drools.planner.core.Solver;
import org.drools.planner.examples.cloudbalancing.domain.CloudBalance;
import org.drools.planner.examples.cloudbalancing.domain.CloudComputer;
import org.drools.planner.examples.cloudbalancing.domain.CloudProcess;
import org.drools.planner.examples.cloudbalancing.persistence.CloudBalancingGenerator;
public class CloudBalancingHelloWorld {
public static void main(String[] args) {
// Build the Solver
SolverFactory solverFactory = new XmlSolverFactory(
"/org/drools/planner/examples/cloudbalancing/solver/cloudBalancingSolverConfig.xml");
Solver solver = solverFactory.buildSolver();
// Load a problem with 400 computers and 1200 processes
CloudBalance unsolvedCloudBalance = new CloudBalancingGenerator().createCloudBalance(400, 1200);
// Solve the problem
solver.setPlanningProblem(unsolvedCloudBalance);
solver.solve();
CloudBalance solvedCloudBalance = (CloudBalance) solver.getBestSolution();
// Display the result
System.out.println("\nSolved cloudBalance with 400 computers and 1200 processes:\n"
+ toDisplayString(solvedCloudBalance));
}
public static String toDisplayString(CloudBalance cloudBalance) {
StringBuilder displayString = new StringBuilder();
for (CloudProcess process : cloudBalance.getProcessList()) {
CloudComputer computer = process.getComputer();
displayString.append(" ").append(process.getLabel()).append(" -> ")
.append(computer == null ? null : computer.getLabel()).append("\n");
}
return displayString.toString();
}
}