JavaNCSS Metric Results

[ package ] [ object ] [ method ] [ explanation ]

The following document contains the results of a JavaNCSS metric analysis, using JavaNCSS version 32.53.
JavaNCSS web site.

Packages

[ package ] [ object ] [ method ] [ explanation ]

Packages sorted by NCSS.

PackageClassesMethodsNCSSJavadocsJavadoc linesSingle lines commentMulti lines comment
org.slasoi.softwareservicemanager.impl473356775873171
org.slasoi.softwareservicemanager.provisioning51479181349213
org.slasoi.softwareservicemanager43977433800168
org.slasoi.softwareservicemanager.management52570301960201
org.slasoi.softwareservicemanager.internal1225319469
org.slasoi.softwareservicemanager.exceptions40134240180
Classes totalMethods totalNCSS totalJavadocsJavadoc linesSingle lines commentMulti lines comment
231536201751340161002

Objects

[ package ] [ object ] [ method ] [ explanation ]

TOP 30 classes containing the most NCSS.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade18746047
org.slasoi.softwareservicemanager.impl.ServiceInfoManager6812013
org.slasoi.softwareservicemanager.management.BusConfiguration4116017
org.slasoi.softwareservicemanager.impl.BookingManager26708
org.slasoi.softwareservicemanager.impl.ServiceInformation22809
org.slasoi.softwareservicemanager.IPrepareSoftwareService1615016
org.slasoi.softwareservicemanager.provisioning.StartServiceTask16304
org.slasoi.softwareservicemanager.IManageSoftwareServices1413014
org.slasoi.softwareservicemanager.provisioning.AbstractProvisioningTask14506
org.slasoi.softwareservicemanager.internal.ExampleActivator13203
org.slasoi.softwareservicemanager.provisioning.ProvisionServiceStub13405
org.slasoi.softwareservicemanager.management.SensorSubscriptionData11405
org.slasoi.softwareservicemanager.ISoftwareServiceManagerFacade8708
org.slasoi.softwareservicemanager.provisioning.StopServiceTask7203
org.slasoi.softwareservicemanager.management.IManageabilityAgentFacade6506
org.slasoi.softwareservicemanager.IProvisioning5405
org.slasoi.softwareservicemanager.exceptions.BookingException2001
org.slasoi.softwareservicemanager.exceptions.ManagementException2001
org.slasoi.softwareservicemanager.exceptions.ReservationException2001
org.slasoi.softwareservicemanager.exceptions.ServiceStartupException2001
org.slasoi.softwareservicemanager.management.IEffectorAction1001
org.slasoi.softwareservicemanager.management.IEffectorResult1001
org.slasoi.softwareservicemanager.provisioning.ServiceState1000

TOP 30 classes containing the most methods.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade18746047
org.slasoi.softwareservicemanager.management.BusConfiguration4116017
org.slasoi.softwareservicemanager.IPrepareSoftwareService1615016
org.slasoi.softwareservicemanager.IManageSoftwareServices1413014
org.slasoi.softwareservicemanager.impl.ServiceInfoManager6812013
org.slasoi.softwareservicemanager.impl.ServiceInformation22809
org.slasoi.softwareservicemanager.impl.BookingManager26708
org.slasoi.softwareservicemanager.ISoftwareServiceManagerFacade8708
org.slasoi.softwareservicemanager.management.IManageabilityAgentFacade6506
org.slasoi.softwareservicemanager.provisioning.AbstractProvisioningTask14506
org.slasoi.softwareservicemanager.IProvisioning5405
org.slasoi.softwareservicemanager.management.SensorSubscriptionData11405
org.slasoi.softwareservicemanager.provisioning.ProvisionServiceStub13405
org.slasoi.softwareservicemanager.provisioning.StartServiceTask16304
org.slasoi.softwareservicemanager.internal.ExampleActivator13203
org.slasoi.softwareservicemanager.provisioning.StopServiceTask7203
org.slasoi.softwareservicemanager.exceptions.BookingException2001
org.slasoi.softwareservicemanager.exceptions.ManagementException2001
org.slasoi.softwareservicemanager.exceptions.ReservationException2001
org.slasoi.softwareservicemanager.exceptions.ServiceStartupException2001
org.slasoi.softwareservicemanager.management.IEffectorAction1001
org.slasoi.softwareservicemanager.management.IEffectorResult1001
org.slasoi.softwareservicemanager.provisioning.ServiceState1000

Averages.

NCSS averageProgram NCSSClasses averageMethods averageJavadocs average
20.78620.000.006.657.61

Methods

[ package ] [ object ] [ method ] [ explanation ]

TOP 30 Methods containing the most NCSS.

MethodsNCSSCCNJavadocs
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.cloneBuilder(ServiceBuilder)1941
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.createServiceInstance(ServiceBuilder)1121
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.createBuilder(ServiceImplementation)1061
org.slasoi.softwareservicemanager.internal.ExampleActivator.start(BundleContext)1011
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.getManageabilityAgent(String)851
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.getServiceInstance(String)851
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.setServiceInstance(ServiceInstance)861
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.createBuilder(ServiceImplementation,SoftwareServiceManagerFacade)711
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.cancelBooking(ServiceBuilder)721
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.cancelReservation(ServiceBuilder)721
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.reserve(ServiceBuilder,Date,Date)721
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.initializeServiceInstance(ServiceBuilder)711
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.deinitializeServiceData(ServiceBuilder)711
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.validate()771
org.slasoi.softwareservicemanager.provisioning.ProvisionServiceStub.getEndpoints(ServiceBuilder)711
org.slasoi.softwareservicemanager.impl.BookingManager.reserve(ServiceBuilder,Date,Date)631
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.stopServiceInstance(ServiceBuilder,Date)611
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.getServiceStatus(String)531
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.setServiceStatus(String,ServiceState)531
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.setManageabilityAgent(String,IManageabilityAgentFacade)531
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.removeManageabilityAgent(String)531
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.removeServiceInstance(String)531
org.slasoi.softwareservicemanager.impl.ServiceInfoManager.getBuilder(String)531
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.SoftwareServiceManagerFacade(Landscape,IProvisioning)511
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.book(ServiceBuilder)511
org.slasoi.softwareservicemanager.provisioning.StartServiceTask.StartServiceTask(IProvisioning,ServiceBuilder,Settings,String,SoftwareServiceManagerFacade)511
org.slasoi.softwareservicemanager.provisioning.StartServiceTask.run()521
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.updateReservation(ServiceBuilder,Date,Date)411
org.slasoi.softwareservicemanager.impl.SoftwareServiceManagerFacade.startServiceInstance(ServiceBuilder,Settings,String,Date)411
org.slasoi.softwareservicemanager.provisioning.StopServiceTask.run()421

Averages.

Program NCSSNCSS averageCCN averageJavadocs average
620.002.761.321.00

Explanations

[ package ] [ object ] [ method ] [ explanation ]

Non Commenting Source Statements (NCSS)

Statements for JavaNCSS are not statements as specified in the Java Language Specification but include all kinds of declarations too. Roughly spoken, NCSS is approximately equivalent to counting ';' and '{' characters in Java source files.

Not counted are empty statements, empty blocks or semicolons after closing brackets. Of course, comments don't get counted too. Closing brackets also never get counted, the same applies to blocks in general.

Examples
Package declarationpackage java.lang;
Import declarationimport java.awt.*;
Class declaration
  • public class Foo {
  • public class Foo extends Bla {
Interface declarationpublic interface Able ; {
Field declaration
  • int a;
  • int a, b, c = 5, d = 6;
Method declaration
  • public void cry();
  • public void gib() throws DeadException {
Constructor declarationpublic Foo() {
Constructor invocation
  • this();
  • super();
Statement declaration
  • i = 0;
  • if (ok)
  • if (exit) {
  • if (3 == 4);
  • if (4 == 4) { ;
  • } else {
Label declarationfine :

In some cases consecutive semicolons are illegal according to the JLS but JavaNCSS still tolerates them (thought JavaNCSS is still more strict as 'javac'). Nevertheless they are never counted as two statements.

Cyclomatic Complexity Number (CCN)

CCN is also know as McCabe Metric. There exists a much hyped theory behind it based on graph theory, but it all comes down to simply counting 'if', 'for', 'while' statements etc. in a method. Whenever the control flow of a method splits, the "CCN counter" gets incremented by one.

Each method has a minimum value of 1 per default. For each of the following Java keywords/statements this value gets incremented by one:

  • if
  • for
  • while
  • case
  • catch

Also if the control flow of a method returns abortively the CCNvalue will be incremented by one:

  • if
  • for

An ordinary return at the end of method will not be counted.

Note that 'else', 'default', and 'finally' don't increment the CCN value any further. On the other hand, a simple method with a 'switch' statement and a huge block of 'case' statements can have a surprisingly high CCN value (still it has the same value when converting a 'switch' block to an equivalent sequence of 'if' statements).