Metric Results

[ summary ] [ packages ] [ cycles ] [ explanations ]

The following document contains the results of a JDepend metric analysis. The various metrics are defined at the bottom of this document.

Summary

[ summary ] [ packages ] [ cycles ] [ explanations ]

Package TC CC AC Ca Ce A I D V
be.objectify.led 11 5 6 2 7 55.0% 78.0% 32.0% 1
be.objectify.led.factory.object 14 10 4 2 6 29.0% 75.0% 4.0% 1
be.objectify.led.factory.type 7 7 0 0 7 0.0% 100.0% 0.0% 1
be.objectify.led.util 2 2 0 3 2 0.0% 40.0% 60.000004% 1

Packages

[ summary ] [ packages ] [ cycles ] [ explanations ]

be.objectify.led

Afferent Couplings Efferent Couplings Abstractness Instability Distance
2 7 55.0% 78.0% 32.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
be.objectify.led.FactoryResolver
be.objectify.led.GenericTypes
be.objectify.led.ObjectFactory
be.objectify.led.Property
be.objectify.led.PropertyContext
be.objectify.led.TypeFactory
be.objectify.led.DefaultFactoryResolver
be.objectify.led.DefaultPropertyContext
be.objectify.led.ObjectFactoryRegistry
be.objectify.led.PropertySetter
be.objectify.led.TypeFactoryRegistry
be.objectify.led.factory.object
be.objectify.led.factory.type
be.objectify.led.factory.object
be.objectify.led.util
java.lang
java.lang.annotation
java.lang.reflect
java.util
org.apache.log4j

be.objectify.led.factory.object

Afferent Couplings Efferent Couplings Abstractness Instability Distance
2 6 29.0% 75.0% 4.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
be.objectify.led.factory.object.AbstractNumberFactory
be.objectify.led.factory.object.ListFactory
be.objectify.led.factory.object.MapFactory
be.objectify.led.factory.object.SetFactory
be.objectify.led.factory.object.BooleanFactory
be.objectify.led.factory.object.ByteFactory
be.objectify.led.factory.object.CharacterFactory
be.objectify.led.factory.object.DoubleFactory
be.objectify.led.factory.object.EnumFactory
be.objectify.led.factory.object.FloatFactory
be.objectify.led.factory.object.IntegerFactory
be.objectify.led.factory.object.LongFactory
be.objectify.led.factory.object.ShortFactory
be.objectify.led.factory.object.StringFactory
be.objectify.led
be.objectify.led.factory.type
be.objectify.led
be.objectify.led.util
java.lang
java.lang.reflect
java.util
org.apache.log4j

be.objectify.led.factory.type

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 7 0.0% 100.0% 0.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None be.objectify.led.factory.type.EnumTypeFactory
be.objectify.led.factory.type.ListTypeFactory
be.objectify.led.factory.type.ListTypeFactory$1
be.objectify.led.factory.type.MapTypeFactory
be.objectify.led.factory.type.MapTypeFactory$1
be.objectify.led.factory.type.SetTypeFactory
be.objectify.led.factory.type.SetTypeFactory$1
None be.objectify.led
be.objectify.led.factory.object
be.objectify.led.util
java.lang
java.lang.reflect
java.util
org.apache.log4j

be.objectify.led.util

Afferent Couplings Efferent Couplings Abstractness Instability Distance
3 2 0.0% 40.0% 60.000004%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None be.objectify.led.util.ContractUtils
be.objectify.led.util.StringUtils
be.objectify.led
be.objectify.led.factory.object
be.objectify.led.factory.type
java.lang
java.util

Cycles

[ summary ] [ packages ] [ cycles ] [ explanations ]

Package Package Dependencies
be.objectify.led be.objectify.led.factory.object
be.objectify.led
be.objectify.led.factory.object be.objectify.led
be.objectify.led.factory.object
be.objectify.led.factory.type be.objectify.led
be.objectify.led.factory.object
be.objectify.led

Explanation

[ summary ] [ packages ] [ cycles ] [ explanations ]

The following explanations are for quick reference and are lifted directly from the original JDepend documentation.

Term Description
Number of Classes The number of concrete and abstract classes (and interfaces) in the package is an indicator of the extensibility of the package.
Afferent Couplings The number of other packages that depend upon classes within the package is an indicator of the package's responsibility.
Efferent Couplings The number of other packages that the classes in the package depend upon is an indicator of the package's independence.
Abstractness The ratio of the number of abstract classes (and interfaces) in the analyzed package to the total number of classes in the analyzed package. The range for this metric is 0 to 1, with A=0 indicating a completely concrete package and A=1 indicating a completely abstract package.
Instability The ratio of efferent coupling (Ce) to total coupling (Ce / (Ce + Ca)). This metric is an indicator of the package's resilience to change. The range for this metric is 0 to 1, with I=0 indicating a completely stable package and I=1 indicating a completely instable package.
Distance The perpendicular distance of a package from the idealized line A + I = 1. This metric is an indicator of the package's balance between abstractness and stability. A package squarely on the main sequence is optimally balanced with respect to its abstractness and stability. Ideal packages are either completely abstract and stable (x=0, y=1) or completely concrete and instable (x=1, y=0). The range for this metric is 0 to 1, with D=0 indicating a package that is coincident with the main sequence and D=1 indicating a package that is as far from the main sequence as possible.
Cycles Packages participating in a package dependency cycle are in a deadly embrace with respect to reusability and their release cycle. Package dependency cycles can be easily identified by reviewing the textual reports of dependency cycles. Once these dependency cycles have been identified with JDepend, they can be broken by employing various object-oriented techniques.