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Code Issues Releases Wiki Activity

break feature

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This commit is contained in:
oblonski 2015-09-23 18:19:32 +02:00
parent a55ea8f3cf
commit 1919c05ceb
6 changed files with 34 additions and 247 deletions
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25
jsprit-examples/src/main/java/jsprit/examples/BreakExample.java
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@ -11,7 +11,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package jsprit.examples;
@ -19,7 +19,6 @@ package jsprit.examples;
import jsprit.analysis.toolbox.Plotter;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.box.Jsprit;
import jsprit.core.algorithm.ruin.RuinBreaks;
import jsprit.core.problem.Location;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.job.Break;
@ -56,7 +55,8 @@ public class BreakExample {
*/
Builder vehicleBuilder = Builder.newInstance("v1");
vehicleBuilder.setStartLocation(Location.newInstance(10, 10));
Break myFirstBreak = (Break) Break.Builder.newInstance("myFirstBreak").setTimeWindow(TimeWindow.newInstance(10, 15)).setServiceTime(100).build();
Break myFirstBreak = Break.Builder.newInstance("myFirstBreak")
.setTimeWindow(TimeWindow.newInstance(10, 15)).setServiceTime(100).build();
vehicleBuilder.setBreak(myFirstBreak);
vehicleBuilder.setType(vehicleType);
VehicleImpl vehicle = vehicleBuilder.build();
@ -68,41 +68,40 @@ public class BreakExample {
*/
Service service1 = Service.Builder.newInstance("1").addSizeDimension(WEIGHT_INDEX, 1).setLocation(Location.newInstance(5, 7)).build();
Service service2 = Service.Builder.newInstance("2").addSizeDimension(WEIGHT_INDEX, 1).setLocation(Location.newInstance(5, 13)).build();
Service service3 = Service.Builder.newInstance("3").addSizeDimension(WEIGHT_INDEX, 1).setLocation(Location.newInstance(15, 7)).build();
Service service4 = Service.Builder.newInstance("4").addSizeDimension(WEIGHT_INDEX, 1).setLocation(Location.newInstance(15, 13)).build();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
vrpBuilder.addVehicle(vehicle);
vrpBuilder.addJob(service1).addJob(service2).addJob(service3).addJob(service4).addVehicle(v2);
vrpBuilder.setFleetSize(VehicleRoutingProblem.FleetSize.FINITE);
VehicleRoutingProblem problem = vrpBuilder.build();
/*
* get the algorithm out-of-the-box.
* get the algorithm out-of-the-box.
*/
VehicleRoutingAlgorithm algorithm = Jsprit.Builder.newInstance(problem)
.setProperty(Jsprit.Strategy.CLUSTER_REGRET,"0.")
.setProperty(Jsprit.Strategy.CLUSTER_BEST,"0.").buildAlgorithm();
algorithm.addListener(new RuinBreaks());
/*
* and search a solution
*/
Collection<VehicleRoutingProblemSolution> solutions = algorithm.searchSolutions();
/*
* get the best
* get the best
*/
VehicleRoutingProblemSolution bestSolution = Solutions.bestOf(solutions);
SolutionPrinter.print(problem, bestSolution, SolutionPrinter.Print.VERBOSE);
/*
* plot
*/
new Plotter(problem,bestSolution).plot("output/plot","breaks");
}