Introduction

This page is a code analysis report about Tiles auto-generated by XDepend.
In this report, you will find useful project metrics about the 2.2.0 release of Tiles such as the most used types.
This report detailled also what has changed since the previous release 2.1.0 and also the evolution between abstractness and instability.
You may also leave comments to point out more information about this release
To get explanations concerning these metrics, go to the XDepend home page.

About this report

Application name:: Tiles

Releases:: 2.2.0, 2.1.0

Published:: 09/30/2009 15:59:18

Credit:: XDepend 1.0.1 (Pro Edition)

Project Metrics

Number of jars:: 10

Number of types:: 315

Number of classes:: 271

Number of abstract classes:: 11

Number of interfaces:: 43

Number of value types:: 0

Number of exception classes:: 0

Number of attribute classes:: 0

Number of delegate classes:: 0

Number of enumerations classes:: 1

Number of generic type definitions:: 0

Number of generic method definitions:: 0

Number of IL instructions:: 26733

Percentage of public types:: 84.13%

Percentage of public methods:: 85.23%

Percentage of classes with at least one public field:: 7.94%

Stat	Occurrences	Avg	StdDev	Max
Properties on Interfaces	43 Interfaces	0	0	0 properties on org.apache.tiles.velocity.template.Executable
Methods on Interfaces	43 Interfaces	2.79	4.04	19 methods on org.apache.tiles.context.TilesRequestContext
Arguments on Methods on Interfaces	120 Methods	1.04	1.13	9 arguments on org.apache.tiles.template.AttributeResolver.computeAttribute(TilesContainer,Attribute,String,String,boolean,Object,String,String,Object[])
Public Properties on Classes	271 Classes	0.56	1.74	11 public properties on org.apache.tiles.freemarker.template.TilesFMModelRepository
Public Methods on Classes	271 Classes	5.74	6.1	37 public methods on org.apache.tiles.jsp.context.JspPrintWriterAdapter
Arguments on Public Methods on Classes	1555 Methods	1	1.25	11 arguments on org.apache.tiles.template.GetAsStringModel.execute(TilesContainer,Writer,boolean,String,String,Object,String,String,String,Attribute,Object[])
BC Instructions in non-abstract Methods	1843 Methods	14.51	18.61	234 BC instructions in org.apache.tiles.util.WildcardHelper.match(String,int[])
Cyclomatic complexity on non abstract Methods	1843 Methods	1.67	1.53	CC = 22 for org.apache.tiles.util.WildcardHelper.match(String,int[])

Jars Metrics

Jar	# Types	# Abstract Types	# BC Inst	Afferent Coupling	Efferent Coupling	Relational Cohesion	Instability	Abstractness	Distance
tiles-velocity v1.0	37	2	2677	1	59	2.73	0.98	0.08	0.06
tiles-extras v1.0	4	0	346	0	57	1.25	1	0	0
tiles-portlet v1.0	13	0	2263	0	44	1.31	1	0	0
tiles-compat v1.0	3	0	438	1	21	0.67	0.95	0	0.05
tiles-template v1.0	14	1	1059	42	27	0.5	0.39	0.07	0.54
tiles-api v1.0	19	5	2487	163	36	1.37	0.18	0.26	0.56
tiles-jsp v1.0	27	1	2426	1	88	0.93	0.99	0.04	0.03
tiles-core v1.0	143	40	9664	56	96	2.35	0.63	0.29	0.08
tiles-servlet v1.0	33	3	4044	37	77	1.39	0.68	0.09	0.23
tiles-freemarker v1.0	22	0	1329	1	70	1.68	0.99	0	0.01

Abstractness Versus Instability


Current	Previous

What happened since the previous release

Here is an overview of what has changed between the two versions analyzed. You can click on a line to have the full list of elements matching the rule.

API Breaking Changes: Methods : 8% (144/1643)

// <Name>API Breaking Changes: Methods</Name>
WARN IF Count > 0 IN SELECT METHODS WHERE IsPublic AND (VisibilityWasChanged OR WasRemoved)