DAO: Remove SEED from persisted workload to enable automagic plotting

src/de/tud/kom/p2psim/impl/util/db/dao/metric/ExperimentDAO.java

@@ -21,6 +21,10 @@
 package de.tud.kom.p2psim.impl.util.db.dao.metric;
 
 import java.util.Date;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
 
 import de.tud.kom.p2psim.impl.simengine.Simulator;
 import de.tud.kom.p2psim.impl.util.db.dao.DAO;
@@ -61,13 +65,20 @@ public class ExperimentDAO extends DAO {
 			long seed = Simulator.getSeed();
 			String system = Simulator.getInstance().getConfigurator()
 					.getResolvedConfiguration();
-			// FIXME: The following has to be uncommented again.
-//			String workload = Simulator.getInstance().getConfigurator()
-//					.getVariables().toString();
+			Map<String, String> vars = new LinkedHashMap<>(Simulator.getInstance().getConfigurator()
+					.getVariables());
+			// Remove seed for database copy
+			List<String> keys = new LinkedList<>(vars.keySet());
+			for (String key : keys) {
+				if (key.equalsIgnoreCase("seed")) {
+					vars.remove(key);
+				}
+			}
+			String workload = vars.toString();
 			String experimentDescription = Simulator.getMonitor()
 					.getExperimentDescription();
 			experiment = new Experiment(seed, actTime, experimentDescription,
-					system, "");
+					system, workload);
 
 			persistImmediately(experiment);
 		}