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.sa.pss4slam.core11156814780254
Classes totalMethods totalNCSS totalJavadocsJavadoc linesSingle lines commentMulti lines comment
11156814780254

Objects

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

TOP 30 classes containing the most NCSS.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.sa.pss4slam.core.PSS4SlamConfig24404
org.slasoi.sa.pss4slam.core.Template9301
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants8031
org.slasoi.sa.pss4slam.core.ServiceAdvertisementChannel5200
org.slasoi.sa.pss4slam.core.ISubscribable3203
org.slasoi.sa.pss4slam.core.ServiceAdvertisement3201
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.Broker3000
org.slasoi.sa.pss4slam.core.IPublishable2102
org.slasoi.sa.pss4slam.core.ISubscriber2102
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.Constants2000
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.TransportConnector2000

TOP 30 classes containing the most methods.

ObjectNCSSMethodsClassesJavadocs
org.slasoi.sa.pss4slam.core.PSS4SlamConfig24404
org.slasoi.sa.pss4slam.core.Template9301
org.slasoi.sa.pss4slam.core.ISubscribable3203
org.slasoi.sa.pss4slam.core.ServiceAdvertisement3201
org.slasoi.sa.pss4slam.core.ServiceAdvertisementChannel5200
org.slasoi.sa.pss4slam.core.IPublishable2102
org.slasoi.sa.pss4slam.core.ISubscriber2102
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants8031
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.Broker3000
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.Constants2000
org.slasoi.sa.pss4slam.core.ServiceAdvertisementConstants.TransportConnector2000

Averages.

NCSS averageProgram NCSSClasses averageMethods averageJavadocs average
5.7368.000.271.361.27

Methods

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

TOP 30 Methods containing the most NCSS.

MethodsNCSSCCNJavadocs
org.slasoi.sa.pss4slam.core.PSS4SlamConfig.init()1441
org.slasoi.sa.pss4slam.core.PSS4SlamConfig.PSS4SlamConfig()211
org.slasoi.sa.pss4slam.core.PSS4SlamConfig.getInstance()211
org.slasoi.sa.pss4slam.core.PSS4SlamConfig.get(String)210
org.slasoi.sa.pss4slam.core.ServiceAdvertisementChannel.ServiceAdvertisementChannel(String)210
org.slasoi.sa.pss4slam.core.ServiceAdvertisementChannel.specification()210
org.slasoi.sa.pss4slam.core.Template.Template(M)210
org.slasoi.sa.pss4slam.core.Template.getContent()210
org.slasoi.sa.pss4slam.core.Template.toString()210
org.slasoi.sa.pss4slam.core.IPublishable.publish(Template[],ServiceAdvertisementChannel)111
org.slasoi.sa.pss4slam.core.ISubscribable.subscribe(ISubscriber,ServiceAdvertisementChannel)111
org.slasoi.sa.pss4slam.core.ISubscribable.unsubscribe(String)111
org.slasoi.sa.pss4slam.core.ISubscriber.notify(Template[])111
org.slasoi.sa.pss4slam.core.ServiceAdvertisement.getIPublishable()110
org.slasoi.sa.pss4slam.core.ServiceAdvertisement.getISubscribable()110

Averages.

Program NCSSNCSS averageCCN averageJavadocs average
68.002.401.200.47

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).