prepare for release v0.1.0

jsprit-analysis/src/main/java/jsprit/analysis/toolbox/StopWatch.java

@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * Copyright (C) 2013  Stefan Schroeder
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either 
+ * version 3.0 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * 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.analysis.toolbox;
+
+import java.util.Collection;
+
+import jsprit.core.algorithm.VehicleRoutingAlgorithm;
+import jsprit.core.algorithm.listener.AlgorithmEndsListener;
+import jsprit.core.algorithm.listener.AlgorithmStartsListener;
+import jsprit.core.problem.VehicleRoutingProblem;
+import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
+
+import org.apache.log4j.Logger;
+
+
+public class StopWatch implements AlgorithmStartsListener, AlgorithmEndsListener{
+	
+	private static Logger log = Logger.getLogger(StopWatch.class);
+	
+	private double ran;
+	
+	private double startTime;
+	
+	
+	@Override
+	public void informAlgorithmStarts(VehicleRoutingProblem problem, VehicleRoutingAlgorithm algorithm, Collection<VehicleRoutingProblemSolution> solutions) {
+		reset();
+		start();
+	}
+	
+	public double getCompTimeInSeconds(){
+		return (ran)/1000.0;
+	}
+
+	@Override
+	public void informAlgorithmEnds(VehicleRoutingProblem problem, Collection<VehicleRoutingProblemSolution> solutions) {
+		stop();
+		log.info("computation time [in sec]: " + getCompTimeInSeconds());
+	}
+	
+	public void stop(){
+		ran += System.currentTimeMillis() - startTime;
+	}
+	
+	public void start(){
+		startTime = System.currentTimeMillis();
+	}
+	
+	public void reset(){
+		startTime = 0;
+		ran = 0;
+	}
+	
+	@Override
+	public String toString() {
+		return "stopWatch: " + getCompTimeInSeconds() + " sec";
+	}
+
+	public double getCurrTimeInSeconds() {
+		return (System.currentTimeMillis()-startTime)/1000.0;
+	}
+	
+}