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.seval.repository.container98941586536577
org.slasoi.seval.repository423159271952127
org.slasoi.seval.repository.helper21110213891818
org.slasoi.seval.repository.exceptions3317636015
Classes totalMethods totalNCSS totalJavadocsJavadoc linesSingle lines commentMulti lines comment
181266931328569667

Objects

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

TOP 30 classes containing the most NCSS.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.seval.repository.container.ArchitectureModelContainer10216014
org.slasoi.seval.repository.SoftwareModel8810011
org.slasoi.seval.repository.container.UsageModelContainer6516017
org.slasoi.seval.repository.helper.IOHelper48708
org.slasoi.seval.repository.container.EMFModelContainer4716017
org.slasoi.seval.repository.container.ResourceTypeModelContainer371008
org.slasoi.seval.repository.DesignTimeRepository36708
org.slasoi.seval.repository.container.ServiceComponentModelContainer32809
org.slasoi.seval.repository.helper.EMFHelper30405
org.slasoi.seval.repository.container.InfrastructureModelContainer20705
org.slasoi.seval.repository.container.AllocationModelContainer13607
org.slasoi.seval.repository.container.ComponentModelContainer13604
org.slasoi.seval.repository.EntityInfo11304
org.slasoi.seval.repository.container.AbstractModelContainer5405
org.slasoi.seval.repository.exceptions.ContainerNotFoundException4102
org.slasoi.seval.repository.exceptions.InvalidModelException4102
org.slasoi.seval.repository.exceptions.ModelNotFoundException4102
org.slasoi.seval.repository.Repository4304

TOP 30 classes containing the most methods.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.seval.repository.container.ArchitectureModelContainer10216014
org.slasoi.seval.repository.container.EMFModelContainer4716017
org.slasoi.seval.repository.container.UsageModelContainer6516017
org.slasoi.seval.repository.container.ResourceTypeModelContainer371008
org.slasoi.seval.repository.SoftwareModel8810011
org.slasoi.seval.repository.container.ServiceComponentModelContainer32809
org.slasoi.seval.repository.container.InfrastructureModelContainer20705
org.slasoi.seval.repository.DesignTimeRepository36708
org.slasoi.seval.repository.helper.IOHelper48708
org.slasoi.seval.repository.container.AllocationModelContainer13607
org.slasoi.seval.repository.container.ComponentModelContainer13604
org.slasoi.seval.repository.container.AbstractModelContainer5405
org.slasoi.seval.repository.helper.EMFHelper30405
org.slasoi.seval.repository.EntityInfo11304
org.slasoi.seval.repository.Repository4304
org.slasoi.seval.repository.exceptions.ContainerNotFoundException4102
org.slasoi.seval.repository.exceptions.InvalidModelException4102
org.slasoi.seval.repository.exceptions.ModelNotFoundException4102

Averages.

NCSS averageProgram NCSSClasses averageMethods averageJavadocs average
31.28693.000.007.007.33

Methods

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

TOP 30 Methods containing the most NCSS.

MethodsNCSSCCNJavadocs
org.slasoi.seval.repository.SoftwareModel.addModel(File)41191
org.slasoi.seval.repository.container.ArchitectureModelContainer.getCall(String,AbstractAction)28191
org.slasoi.seval.repository.helper.IOHelper.getFileContents(String)1531
org.slasoi.seval.repository.helper.EMFHelper.loadFromXMI(String,String,EPackage)1421
org.slasoi.seval.repository.SoftwareModel.validate()13131
org.slasoi.seval.repository.container.ArchitectureModelContainer.getSignature(ProvidedRole,String)1191
org.slasoi.seval.repository.DesignTimeRepository.DesignTimeRepository()1051
org.slasoi.seval.repository.DesignTimeRepository.get(Object)1041
org.slasoi.seval.repository.helper.EMFHelper.saveToXMI(EObject,String)1021
org.slasoi.seval.repository.container.ArchitectureModelContainer.getProvidingServiceComponent(String)961
org.slasoi.seval.repository.container.ArchitectureModelContainer.getCall(String)961
org.slasoi.seval.repository.helper.IOHelper.copyFile(File,File)911
org.slasoi.seval.repository.helper.IOHelper.deleteDir(File)851
org.slasoi.seval.repository.container.ArchitectureModelContainer.getCall(String,BasicComponent)751
org.slasoi.seval.repository.container.InfrastructureModelContainer.getResourceContainer(String)741
org.slasoi.seval.repository.container.ServiceComponentModelContainer.getServiceComponentNameById(String)751
org.slasoi.seval.repository.container.UsageModelContainer.getUsageScenario(String,String)751
org.slasoi.seval.repository.container.UsageModelContainer.getServiceComponent(ProvidedRole)741
org.slasoi.seval.repository.SoftwareModel.SoftwareModel(String,File)741
org.slasoi.seval.repository.container.ResourceTypeModelContainer.getLANElement()641
org.slasoi.seval.repository.container.ResourceTypeModelContainer.getCPUElement()641
org.slasoi.seval.repository.container.ResourceTypeModelContainer.getHDDElement()641
org.slasoi.seval.repository.container.ResourceTypeModelContainer.getDELAYElement()641
org.slasoi.seval.repository.container.UsageModelContainer.getUsageScenarioInfoByName(String)641
org.slasoi.seval.repository.container.UsageModelContainer.getUsageScenarioInfoById(String)641
org.slasoi.seval.repository.container.UsageModelContainer.getUsageScenario(EntityInfo)641
org.slasoi.seval.repository.container.UsageModelContainer.getSystemCall(EntityInfo)641
org.slasoi.seval.repository.helper.IOHelper.copyFiles(File,File)641
org.slasoi.seval.repository.container.ArchitectureModelContainer.getServiceComponentInfo(String)531
org.slasoi.seval.repository.container.ArchitectureModelContainer.getServiceOperationName(String)531

Averages.

Program NCSSNCSS averageCCN averageJavadocs average
693.004.072.210.90

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).