rename for consistency, simple cleanups

examples/src/SimkitOpenDis7Examples/SimpleServerOpenDis7.java

+package SimkitOpenDis7Examples;
+
+import edu.nps.moves.dis7.enumerations.DisPduType;
+import edu.nps.moves.dis7.pdus.EntityStatePdu;
+import edu.nps.moves.dis7.utilities.DisChannel;
+import edu.nps.moves.dis7.utilities.PduFactory;
+import simkit.Priority;
+import simkit.SimEntityBase;
+import simkit.random.RandomVariate;
+
+/**
+ * Simple Server component. Instances of this class cannot be used on their own,
+ * but require another SimEntity to schedule Arrival events. If it is desired to
+ * listen to an event of another name,use an Adapter instance.
+ *
+ * The StartService is schedule with a positive priority, which will ensure it
+ * will occur ahead of any simultaneously scheduled Arrival events, as long as
+ * they have the default priority of 0.0.
+ *
+ * @author abuss@nps.edu
+ */
+public class SimpleServerOpenDis7 extends SimEntityBase
+{
+    // Utility constructor method: initial descriptor and verboseness of disNetworkInterface, pduRecorder
+    private final DisChannel disChannel = new DisChannel("TwoCraneBerthsOpenDis7", false, true); 
+    
+    PduFactory     pduFactory = new PduFactory();
+    EntityStatePdu espduCrane = (EntityStatePdu) pduFactory.createPdu(DisPduType.ENTITY_STATE);
+
+    /**
+     * Total number of servers
+     */
+    private int totalNumberServers;
+    
+    /**
+     * Generates service times
+     */
+    private RandomVariate serviceTimeGenerator;
+
+    /**
+     * number of available servers at any time
+     */
+    protected int numberAvailableServers;
+    
+    /**
+     * number in queue at any time
+     */
+    protected int numberInQueue;
+    
+    /**
+     * Number customers served
+     */
+    protected int numberServed;
+
+    /**
+     * Zero-argument constructor
+     */
+    public SimpleServerOpenDis7() {
+    }
+
+    /**
+     * Creates a new instance of SimpleServer with the given parameters
+     *
+     * @param totalNumberServers Total number of servers
+     * @param serviceTimeGenerator Service time generator. Must be RandomVariate
+     * instance that only generates non-negative values.
+     */
+    public SimpleServerOpenDis7(int totalNumberServers, RandomVariate serviceTimeGenerator) {
+        setTotalNumberServers(totalNumberServers);
+        setServiceTimeGenerator(serviceTimeGenerator);
+    }
+
+    /**
+     * Set numberAvailable servers to total number servers, numberInQueue to 0,
+     * numberServed to 0.
+     */
+    @Override
+    public void reset() {
+        super.reset();
+        numberInQueue = 0;
+        numberAvailableServers = totalNumberServers;
+        numberServed = 0;
+    }
+
+    /**
+     * Just fires PropertyChange events
+     */
+    public void doRun() {
+        firePropertyChange("numberInQueue", getNumberInQueue());
+        firePropertyChange("numberAvailableServers", getNumberAvailableServers());
+        firePropertyChange("numberServed", getNumberServed());
+    }
+
+    /**
+     * Increment number in queue. If a server is available, schedule
+     * StartService immediately with priority of 1.0
+     */
+    public void doArrival() {
+        int oldNumberInQueue = numberInQueue;
+        numberInQueue = numberInQueue + 1;
+        firePropertyChange("numberInQueue", oldNumberInQueue, getNumberInQueue());
+        if (getNumberAvailableServers() > 0) {
+            waitDelay("StartService", 0.0, Priority.HIGH);
+        }
+    }
+
+    /**
+     * Decrement numberInQueue and numberAvailableServers Schedule EndService
+     * after service time delay
+     */
+    public void doStartService() {
+        int oldNumberInQueue = numberInQueue;
+        numberInQueue = numberInQueue - 1;
+        firePropertyChange("numberInQueue", oldNumberInQueue, numberInQueue);
+        int oldNumberAvailableServers = numberAvailableServers;
+        numberAvailableServers = numberAvailableServers - 1;
+        firePropertyChange("numberAvailableServers", oldNumberAvailableServers, numberAvailableServers);
+
+//        double serviceTime = getServiceTimeGenerator().generate();
+//        firePropertyChange("serviceTime", serviceTime);
+
+        waitDelay("EndService", serviceTimeGenerator);
+
+    }
+
+    /**
+     * Increment numberAvailableServers If customers in queue, schedule
+     * StartService immediately with HIGH priority
+     */
+    public void doEndService() {
+        int oldNumberAvailableServers = numberAvailableServers;
+        numberAvailableServers = numberAvailableServers + 1;
+        firePropertyChange("numberAvailableServers", oldNumberAvailableServers, numberAvailableServers);
+
+        int oldNumberServed = numberServed;
+        numberServed = numberServed + 1;
+        firePropertyChange("numberServed", oldNumberServed, numberServed);
+
+        if (getNumberInQueue() > 0) {
+            waitDelay("StartService", 0.0, Priority.HIGH);
+        }
+    }
+
+    /**
+     * accessor method to get a state variable
+     * @return the numberAvailableServers
+     */
+    public int getNumberAvailableServers() {
+        return numberAvailableServers;
+    }
+
+    /**
+     * accessor method to get a state variable
+     * @return the numberInQueue
+     */
+    public int getNumberInQueue() {
+        return numberInQueue;
+    }
+
+    /**
+     * accessor method to set a state variable
+     * @param totalNumberServers total number of servers
+     * @throws IllegalArgumentException if totalNumberServers < 0
+     */
+    public void setTotalNumberServers(int totalNumberServers) {
+        if (totalNumberServers <= 0) {
+            throw new IllegalArgumentException("Need positive number of servers: " + totalNumberServers);
+        }
+        this.totalNumberServers = totalNumberServers;
+    }
+
+    /**
+     * accessor method to get a state variable
+     * @return the serviceTimeGenerator
+     */
+    public RandomVariate getServiceTimeGenerator() {
+        return this.serviceTimeGenerator;
+    }
+
+    /**
+     * accessor method to set a state variable
+     * @param serviceTimeGenerator the serviceTimeGenerator to set
+     */
+    public void setServiceTimeGenerator(RandomVariate serviceTimeGenerator) {
+        this.serviceTimeGenerator = serviceTimeGenerator;
+    }
+
+    /**
+     * accessor method to get a state variable
+     * @return the totalNumberServers
+     */
+    public int getTotalNumberServers() {
+        return this.totalNumberServers;
+    }
+
+    /**
+     * accessor method to get a state variable
+     * @return the numberServed
+     */
+    public int getNumberServed() {
+        return this.numberServed;
+    }
+}

examples/src/SimkitOpenDis7Examples/TwoCraneBerthsOpenDis7.java

@@ -26,7 +26,10 @@ import simkit.SimEntityBase;
 public class TwoCraneBerthsOpenDis7 extends SimEntityBase
 {
     // Utility constructor method: initial descriptor and verboseness of disNetworkInterface, pduRecorder
-    private final DisChannel disChannel = new DisChannel("TwoCraneBerthsOpenDis7", false, true); 
+    private final DisChannel disChannel = new DisChannel("TwoCraneBerthsOpenDis7", false, true);
+    
+    PduFactory     pduFactory = new PduFactory();
+    EntityStatePdu espduCrane = (EntityStatePdu) pduFactory.createPdu(DisPduType.ENTITY_STATE);
 
     /**
      * Queue of Ships waiting to go into the berth
@@ -76,10 +79,10 @@ public class TwoCraneBerthsOpenDis7 extends SimEntityBase
     /**
      * Only PropertyChangeEvents
      */
-    public void doRun() {
-        disChannel.setVerboseComments(true);
+    public void doRun()
+    {
         disChannel.setVerboseComments(true);
-        // TODO what is happening? not seen in logs...
+        disChannel.setVerboseDisNetworkInterface(true);
         
         firePropertyChange("queue", getQueue());
         firePropertyChange("berth", getBerth());
@@ -209,9 +212,6 @@ public class TwoCraneBerthsOpenDis7 extends SimEntityBase
         waitDelay("EndUnloadingOneCrane", ship.getRemainingUnloadingTime(), ship);
     }
     
-    // can be member variables (for efficiency, move above) or else embdedded within method (move below)
-    PduFactory     pduFactory = new PduFactory();
-    EntityStatePdu espduCrane = (EntityStatePdu) pduFactory.createPdu(DisPduType.ENTITY_STATE);
         
     /**
      * Perform crane container unloading operations and send PDUs to report progress
@@ -272,7 +272,7 @@ public class TwoCraneBerthsOpenDis7 extends SimEntityBase
         espduCrane.setEntityLocation(pierDistanceForCraneOffload, 0.0, 0.0);
         disChannel.sendSinglePdu(disTimeStamp, espduCrane);
         disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, 
-                                  "Crane at position " + pierDistanceForCraneOffload + "m for offload after " + craneTravelDuration + " seconds");
+                                  "Crane moved to  position " + pierDistanceForCraneOffload + "m for offload after " + craneTravelDuration + " seconds");
         
         // 4. repeat until done: Crane rotates, lift container, rotates, lower container        
         for (int containerIndex = 1; containerIndex <= numberContainers; containerIndex++)
@@ -281,14 +281,15 @@ public class TwoCraneBerthsOpenDis7 extends SimEntityBase
             double craneRotationDelay = 90.0 / craneRotationRate; // units analysis: degrees / (degrees/second) = seconds
             espduCrane.setEntityOrientation(orientationToShip);
             disChannel.sendSinglePdu(disTimeStamp, espduCrane);
-            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Crane oriented to ship after " + craneRotationDelay + " seconds");
+            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Crane oriented to ship after " + craneRotationDelay + " seconds" +
+                                      " with craneRotationRate=" + craneRotationRate + " degrees/second");
         
 //          // 4.b announce next step without further delay, then perform container hookup
-            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Hooking up Container " + containerIndex + " to crane "); // TODO + whichCrane
+            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Hooking up Container " + containerIndex + " to crane has started..."); // TODO + whichCrane
             
             disTimeStamp += containerHookupDuration;
 //          disChannel.sendSinglePdu(disTimeStamp, espduCrane); // superfluous, crane hasn't moved
-            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Hooked up: Container " + containerIndex + " to crane " // TODO + whichCrane
+            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Hooked up: Container " + containerIndex + " to crane" // TODO + whichCrane
                                       + " after " + craneRotationDelay + " seconds");
             
             // 4.c crane rotates to pier
@@ -296,12 +297,12 @@ public class TwoCraneBerthsOpenDis7 extends SimEntityBase
             espduCrane.setEntityOrientation(orientationToPier);
             disChannel.sendSinglePdu(disTimeStamp, espduCrane);
             disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Crane oriented to pier after " + craneRotationDelay + " seconds" +
-                                      " (" + craneRotationRate + " degrees/second)");
+                                      " with craneRotationRate=" + craneRotationRate + " degrees/second");
             
             // 4.d crane unhooks container
             disTimeStamp += containerDetachDuration;
 //          disChannel.sendSinglePdu(disTimeStamp, espduCrane); // superfluous, crane hasn't moved
-            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Detached: Container " + containerIndex + " on pier" // TODO + whichCrane
+            disChannel.sendCommentPdu(disTimeStamp, VariableRecordType.CARGO, "Crane detached: Container " + containerIndex + " on pier" // TODO + whichCrane
                                       + " after " + containerDetachDuration + " seconds");
             
             // send PDUs accordingly

examples/src/SimkitOpenDis7Examples/run/RunSimpleServer.java

@@ -36,14 +36,15 @@ public class RunSimpleServer
      * Run a simple program and compute statistical measurement of results.
      * @param args the command line arguments
      */
-    public static void main(String args[]) {
-        String rvName = "Uniform";
+    public static void main(String args[]) 
+    {
+        String rvName = "Uniform"; // TODO is enumeration available?
         double lower = 0.9;
         double upper = 2.2;
         RandomVariate interarrivalTimeGenerator = RandomVariateFactory.getInstance(rvName, lower, upper);
         ArrivalProcess arrival = new ArrivalProcess(interarrivalTimeGenerator);
 
-        rvName = "Gamma";
+        rvName = "Gamma"; // TODO is enumeration available?
         double alpha = 1.7;
         double beta = 1.8;
 

examples/src/SimkitOpenDis7Examples/run/RunSimpleServerOpenDis7.java

@@ -53,13 +53,13 @@ public class RunSimpleServerOpenDis7
         RandomVariate interarrivalTimeGenerator = RandomVariateFactory.getInstance(rvName, lower, upper);
         ArrivalProcessOpenDis7 arrival = new ArrivalProcessOpenDis7(interarrivalTimeGenerator);
 
-        rvName = "Gamma";
+        rvName = "Gamma"; // TODO is enumeration available?
         double alpha = 1.7;
         double beta = 1.8;
 
         RandomVariate serviceTimeGenerator = RandomVariateFactory.getInstance(rvName, alpha, beta);
-        int numServ = 2;
-        SimpleServerOpenDis7 server = new SimpleServer(numServ, serviceTimeGenerator);
+        int numServ = 1;
+        SimpleServerOpenDis7 server = new SimpleServerOpenDis7(numServ, serviceTimeGenerator);
         arrival.addSimEventListener(server);
 
         SimplePropertyDumper simplePropertyDumper = new SimplePropertyDumper();

examples/src/SimkitOpenDis7Examples/run/RunSimpleServerOpenDis7Log.txt

-ant -f C:\\x-nps-gitlab\\NetworkedGraphicsMV3500\\examples -Dnb.internal.action.name=run.single -Djavac.includes=SimkitOpenDis7Examples/run/RunSimpleServerOpenDis7.java -Drun.class=SimkitOpenDis7Examples.run.RunSimpleServerOpenDis7 run-single
+ant -f C:\\x3d-nps-gitlab\\NetworkedGraphicsMV3500\\examples -Dnb.internal.action.name=run.single -Djavac.includes=SimkitOpenDis7Examples/run/RunSimpleServerOpenDis7.java -Drun.class=SimkitOpenDis7Examples.run.RunSimpleServerOpenDis7 run-single
 init:
-Deleting: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
+Deleting: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
 deps-jar:
-Updating property file: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
-Compiling 1 source file to C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\classes
+Updating property file: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
+Compiling 1 source file to C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\classes
+warning: [options] system modules path not set in conjunction with -source 17
+1 warning
 compile-single:
 run-single:
-[DisChannel] thisHostName=IT160907-UWALPP
-[DisThreadedNetworkInterface] using network interface PANGP Virtual Ethernet Adapter
+[DisChannel] thisHostName=IT160907-INFLPP
+[DisThreadedNetworkInterface] using network interface Intel(R) Wi-Fi 6E AX210 160MHz
 [DisThreadedNetworkInterface] datagramSocket.joinGroup  address=239.1.2.3 port=3000 isConnected()=false createDatagramSocket() complete.
 [DisThreadedNetworkInterface] createThreads() receiveThread.isAlive()=true
 [DisThreadedNetworkInterface] createThreads() sendingThread.isAlive()=true
 [DisChannel] Network confirmation: address=239.1.2.3 port=3000
 [DisChannel] Beginning pdu save to directory ./pduLog
-[PduRecorder] Recorder log file open: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\pduLog\PduCaptureLog3.dislog
-[DisThreadedNetworkInterface] using network interface PANGP Virtual Ethernet Adapter
+[PduRecorder] Recorder log file open: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\pduLog\PduCaptureLog22.dislog
+[DisThreadedNetworkInterface] using network interface Intel(R) Wi-Fi 6E AX210 160MHz
 [DisThreadedNetworkInterface] datagramSocket.joinGroup  address=239.1.2.3 port=3000 isConnected()=false createDatagramSocket() complete.
 [DisThreadedNetworkInterface] createThreads() receiveThread.isAlive()=true
 [DisThreadedNetworkInterface] createThreads() sendingThread.isAlive()=true
@@ -23,18 +25,19 @@ run-single:
 [DisThreadedNetworkInterface DisChannel] [sending  1] DisPduType 22 COMMENT, size 80 bytes)
 [DisThreadedNetworkInterface DisChannel] [receipt  1] DisPduType 22 COMMENT, size 80 bytes)
 [DisThreadedNetworkInterface PduRecorder] [receipt  1] DisPduType 22 COMMENT, size 80 bytes)
-[DisChannel] *** [CommentPdu narrative sent: OTHER] [ArrivalProcessOpenDis7 initialized]
+[DisChannel] *** [CommentPdu OTHER] [ArrivalProcessOpenDis7 initialized]
+[DisChannel] thisHostName=IT160907-INFLPP
 ArrivalProcessOpenDis7.1
 	interarrivalTimeGenerator = Uniform (0.900, 2.200)
-SimpleServer.2
-	totalNumberServers = 2
+SimpleServerOpenDis7.2
+	totalNumberServers = 1
 	serviceTimeGenerator = Gamma (1.700, 1.800)
 Simulation ended at time 100,000.000
 
-There have been 64,475 arrivals
-There have been 64,472 customers served
-Average number in queue	15.9655
-Average utilization	0.9819
+There have been 64,526 arrivals
+There have been 32,790 customers served
+Average number in queue	15912.7375
+Average utilization	1.0000
 Execution complete.
 *** setKillSentinelAndInterrupts() killed=true sendingThread.isInterrupted()=true receiveThread.isInterrupted()=true
 [DisThreadedNetworkInterface PduRecorder] close(): pdus2send.size()=0 baos.size()=0 dos.size()=0
@@ -43,5 +46,11 @@ Execution complete.
 *** killThread() status: receiveThread.isAlive()=false receiveThread.isInterrupted()=true
 *** Thread close status: sendingThread.isAlive()=false receiveThread.isAlive()=false
 
-PduRecorder.stop() closing recorder log file: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\pduLog\PduCaptureLog3.dislog
-BUILD SUCCESSFUL (total time: 5 seconds)
+PduRecorder.stop() closing recorder log file: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\pduLog\PduCaptureLog22.dislog
+*** setKillSentinelAndInterrupts() killed=true sendingThread.isInterrupted()=true receiveThread.isInterrupted()=true
+[DisThreadedNetworkInterface DisChannel] close(): pdus2send.size()=0 baos.size()=0 dos.size()=80
+[DisThreadedNetworkInterface DisChannel] datagramSocket.leaveGroup address=239.1.2.3 port=3000 isClosed()=true close() complete.
+*** killThread() status: sendingThread.isAlive()=false sendingThread.isInterrupted()=true
+*** killThread() status: receiveThread.isAlive()=false receiveThread.isInterrupted()=true
+*** Thread close status: sendingThread.isAlive()=false receiveThread.isAlive()=false
+BUILD SUCCESSFUL (total time: 10 seconds)

examples/src/SimkitOpenDis7Examples/run/RunTwoCraneBerthsLog.txt

-ant -f C:\\x-nps-gitlab\\NetworkedGraphicsMV3500\\examples -Dnb.internal.action.name=run.single -Djavac.includes=SimkitOpenDis7Examples/run/RunTwoCranesBerth.java -Drun.class=SimkitOpenDis7Examples.run.RunTwoCranesBerth run-single
+ant -f C:\\x3d-nps-gitlab\\NetworkedGraphicsMV3500\\examples -Dnb.internal.action.name=run.single -Djavac.includes=SimkitOpenDis7Examples/run/RunTwoCraneBerths.java -Drun.class=SimkitOpenDis7Examples.run.RunTwoCraneBerths run-single
 init:
-Deleting: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
+Deleting: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
 deps-jar:
-Updating property file: C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
-Compiling 1 source file to C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\build\classes
+Updating property file: C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\built-jar.properties
+Compiling 1 source file to C:\x3d-nps-gitlab\NetworkedGraphicsMV3500\examples\build\classes
+warning: [options] system modules path not set in conjunction with -source 17
+1 warning
 compile-single:
 run-single:
 ShipArrivalProcess.1
@@ -20,4 +22,4 @@ Average # in queue:		0.6834
 Average # busy berths:		1.1737
 Average time in system:		1.3207
 Average delay in queue:		0.4857
-BUILD SUCCESSFUL (total time: 3 seconds)
+BUILD SUCCESSFUL (total time: 6 seconds)

examples/src/SimkitOpenDis7Examples/run/RunTwoCranesBerth.java

-package SimkitOpenDis7Examples.run;
-
-import SimkitOpenDis7Examples.ShipArrivalProcess;
-import SimkitOpenDis7Examples.TwoCraneBerths;
-import simkit.Schedule;
-import simkit.random.RandomVariate;
-import simkit.random.RandomVariateFactory;
-import simkit.stat.CollectionSizeTimeVaryingStats;
-import simkit.stat.SimpleStatsTally;
-
-/**
- * Run simple two-berth model for 10 years (3650 days).
- * <h2>Output:</h2><pre>
-ShipArrivalProcess.1
-	unloadTimeGenerator = Uniform (0.500, 1.500)
-	interarrivalTimeGenerator = Exponential (0.700)
-TwoCraneBerths.2
-
-Simulation ended at time 3,650.0
-
-Number of ships arriving:	5,135
-Number of ships unloaded:	5,129
-Maximum # in queue:		11
-Average # in queue:		0.6834
-Average # busy berths:		1.1737
-Average time in system:		1.3207
-Average delay in queue:		0.4857
-</pre>
-* 
- * @author abuss@nps.edu
- */
-public class RunTwoCranesBerth
-{
-    /** Default constructor */
-    public RunTwoCranesBerth()
-    {
-        // default constructor
-    }
-    /**
-     * Run a simple program and compute statistical measurement of results.
-     * @param args the command line arguments
-     */
-    public static void main(String[] args) {
-        RandomVariate interarrivalTimeGenerator =
-                RandomVariateFactory.getInstance("Exponential", 0.7);
-        RandomVariate unloadingTimeGenerator =
-                RandomVariateFactory.getInstance("Uniform", 0.5, 1.5);
-        ShipArrivalProcess shipArrivalProcess =
-                new ShipArrivalProcess(interarrivalTimeGenerator,
-                    unloadingTimeGenerator);
-        
-        TwoCraneBerths twoCraneBerths = new TwoCraneBerths();
-        shipArrivalProcess.addSimEventListener(twoCraneBerths);
-        
-        SimpleStatsTally delayInQueueStat = new SimpleStatsTally("delayInQueue");
-        SimpleStatsTally timeInSystemStat = new SimpleStatsTally("timeInSystem");
-        CollectionSizeTimeVaryingStats numberInQueueStat = 
-                new CollectionSizeTimeVaryingStats("queue");
-        CollectionSizeTimeVaryingStats numberInBerthStat = 
-                new CollectionSizeTimeVaryingStats("berth");
-//        SimplePropertyDumper simplePropertyDumper = new SimplePropertyDumper();
-//        twoCraneBerths.addPropertyChangeListener(simplePropertyDumper);
-        
-        twoCraneBerths.addPropertyChangeListener(delayInQueueStat);
-        twoCraneBerths.addPropertyChangeListener(timeInSystemStat);
-        twoCraneBerths.addPropertyChangeListener(numberInQueueStat);
-        twoCraneBerths.addPropertyChangeListener(numberInBerthStat);
-        
-        System.out.println(shipArrivalProcess);
-        System.out.println(twoCraneBerths);
-        
-        double stopTime = 10 * 365;
-        Schedule.stopAtTime(stopTime);
-        Schedule.setVerbose(false);
-        
-        Schedule.reset();
-        Schedule.startSimulation();
-        
-        System.out.printf("%nSimulation ended at time %,.1f%n%n",
-                Schedule.getSimTime());
-        
-        System.out.printf("Number of ships arriving:\t%,d%n", shipArrivalProcess.getNumberArrivals());
-        System.out.printf("Number of ships unloaded:\t%,d%n", timeInSystemStat.getCount());
-        System.out.printf("Maximum # in queue:\t\t%.0f%n", numberInQueueStat.getMaxObs());
-        System.out.printf("Average # in queue:\t\t%.4f%n", numberInQueueStat.getMean());
-        System.out.printf("Average # busy berths:\t\t%.4f%n", numberInBerthStat.getMean());
-        System.out.printf("Average time in system:\t\t%.4f%n",
-                timeInSystemStat.getMean());
-        System.out.printf("Average delay in queue:\t\t%.4f%n",
-                delayInQueueStat.getMean());    }
-
-}