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 ]Packages
[ summary ] [ packages ] [ cycles ] [ explanations ]org.apache.myfaces.orchestra.connectionManager
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 8 | 43.0% | 100.0% | 43.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.connectionManager.AbstractConnectionManagerListener org.apache.myfaces.orchestra.connectionManager.ConnectionManagerListener org.apache.myfaces.orchestra.connectionManager.DisconnectableConnection | org.apache.myfaces.orchestra.connectionManager.ConnectionManagerDataSource org.apache.myfaces.orchestra.connectionManager.ConnectionManagerDataSource$1 org.apache.myfaces.orchestra.connectionManager.DisconnectableConnectionFactory org.apache.myfaces.orchestra.connectionManager.DisconnectableConnectionFactory$1 | None | java.io java.lang java.lang.reflect java.sql java.util javax.naming javax.sql org.apache.commons.logging |
org.apache.myfaces.orchestra.conversation
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 3 | 50.0% | 60.000004% | 10.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.conversation.ConversationDataHolder | org.apache.myfaces.orchestra.conversation.SerializingConversationDataHolder | org.apache.myfaces.orchestra.conversation.versioning org.apache.myfaces.orchestra.conversation.versioning.spring | java.io java.lang java.util |
org.apache.myfaces.orchestra.conversation.versioning
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 5 | 0.0% | 83.0% | 17.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.conversation.versioning.SavePoint org.apache.myfaces.orchestra.conversation.versioning.VersioningConversation | org.apache.myfaces.orchestra.conversation.versioning.spring | java.io java.lang java.util org.apache.commons.logging org.apache.myfaces.orchestra.conversation |
org.apache.myfaces.orchestra.conversation.versioning.spring
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 4 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.conversation.versioning.spring.SpringVersioningScope | None | java.lang org.apache.myfaces.orchestra.conversation org.apache.myfaces.orchestra.conversation.spring org.apache.myfaces.orchestra.conversation.versioning |
org.apache.myfaces.orchestra.dynaForm.annot.ui
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 4 | 100.0% | 80.0% | 80.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.annot.ui.ComponentHandler org.apache.myfaces.orchestra.dynaForm.annot.ui.DataProvider org.apache.myfaces.orchestra.dynaForm.annot.ui.DisplayOnly org.apache.myfaces.orchestra.dynaForm.annot.ui.DisplaySize org.apache.myfaces.orchestra.dynaForm.annot.ui.IgnoreProperty org.apache.myfaces.orchestra.dynaForm.annot.ui.Length org.apache.myfaces.orchestra.dynaForm.annot.ui.Max org.apache.myfaces.orchestra.dynaForm.annot.ui.MetaAttribute org.apache.myfaces.orchestra.dynaForm.annot.ui.Min org.apache.myfaces.orchestra.dynaForm.annot.ui.NotNull org.apache.myfaces.orchestra.dynaForm.annot.ui.Range org.apache.myfaces.orchestra.dynaForm.annot.ui.ReadOnly org.apache.myfaces.orchestra.dynaForm.annot.ui.Temporal org.apache.myfaces.orchestra.dynaForm.annot.ui.UIComponent | None | org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb | java.lang java.lang.annotation javax.persistence org.apache.myfaces.orchestra.dynaForm.metadata |
org.apache.myfaces.orchestra.dynaForm.jsf.component
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
3 | 16 | 0.0% | 84.0% | 16.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaConfig org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaConfigTag org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaConfigs org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaConfigsTag org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaForm org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaForm$AddComponentSimple org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaForm$AddComponentToTable org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaFormTag | org.apache.myfaces.orchestra.dynaForm.jsf.component.facelets org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf | java.lang java.util javax.el javax.faces.application javax.faces.component javax.faces.context javax.faces.el javax.servlet.jsp org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.dynaForm.metadata.impl org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf org.apache.myfaces.orchestra.dynaForm.uri org.apache.myfaces.shared_orchestra.taglib |
org.apache.myfaces.orchestra.dynaForm.jsf.component.facelets
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 4 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.jsf.component.facelets.DynaFormHandler | None | com.sun.facelets com.sun.facelets.tag.jsf javax.faces.component org.apache.myfaces.orchestra.dynaForm.jsf.component |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 10 | 50.0% | 83.0% | 33.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.DynaFormComponentHandler org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.GuiBuilder | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.GuiBuilder$1 org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.Slipstream | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf | java.lang java.util javax.faces.component javax.faces.context javax.faces.el org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.dynaForm.metadata.utils org.apache.myfaces.orchestra.frameworkAdapter org.apache.myfaces.orchestra.lib |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 23 | 25.0% | 92.0% | 17.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.JsfGuiElementBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.NewComponentListener | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.DataSourceLabelConverter org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.JsfGuiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.JsfGuiBuilder$1 org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.JsfGuiBuilderDecorator org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.JsfGuiBuilderFactory org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf.ValueBindingDataSourceAdapter | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces | java.lang java.lang.reflect java.math java.util javax.el javax.faces.application javax.faces.component javax.faces.component.html javax.faces.context javax.faces.convert javax.faces.el javax.faces.model javax.faces.validator javax.persistence org.apache.commons.logging org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.dynaForm.metadata.utils org.apache.myfaces.orchestra.lib org.apache.myfaces.orchestra.lib.jsf org.apache.myfaces.shared_orchestra.util |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 19 | 0.0% | 95.0% | 5.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces.MyFacesCheck org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces.MyFacesGuiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces.SuggestSelectListMethodWrapper | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf | java.lang java.lang.reflect java.math java.util javax.faces.application javax.faces.component javax.faces.component.html javax.faces.context javax.faces.convert javax.faces.el javax.faces.model javax.persistence org.apache.commons.beanutils org.apache.myfaces.commons.converter org.apache.myfaces.custom.calendar org.apache.myfaces.custom.suggestajax.inputsuggestajax org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata |
org.apache.myfaces.orchestra.dynaForm.lib
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
7 | 11 | 8.0% | 61.0% | 31.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.lib.DefaultValueMap$DefaultValueFactory | org.apache.myfaces.orchestra.dynaForm.lib.ConditionEnum org.apache.myfaces.orchestra.dynaForm.lib.DefaultValueMap org.apache.myfaces.orchestra.dynaForm.lib.DynaFormException org.apache.myfaces.orchestra.dynaForm.lib.MatchModeEnum org.apache.myfaces.orchestra.dynaForm.lib.NullObject org.apache.myfaces.orchestra.dynaForm.lib.ObjectSerializationConverter org.apache.myfaces.orchestra.dynaForm.lib.OrderDirectionEnum org.apache.myfaces.orchestra.dynaForm.lib.SelectionSourceEnum org.apache.myfaces.orchestra.dynaForm.lib.SelectionTypeEnum org.apache.myfaces.orchestra.dynaForm.lib.ViewType org.apache.myfaces.orchestra.dynaForm.lib._FacesUtils | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.dynaForm.metadata.impl org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb org.apache.myfaces.orchestra.dynaForm.uri | java.io java.lang java.lang.reflect java.util javax.el javax.faces javax.faces.application javax.faces.component javax.faces.context javax.faces.convert org.apache.commons.codec.binary |
org.apache.myfaces.orchestra.dynaForm.metadata
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
10 | 6 | 62.0% | 38.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.metadata.Extractor org.apache.myfaces.orchestra.dynaForm.metadata.MetaData org.apache.myfaces.orchestra.dynaForm.metadata.MetaDataWritable org.apache.myfaces.orchestra.dynaForm.metadata.MetaField org.apache.myfaces.orchestra.dynaForm.metadata.MetaFieldWritable | org.apache.myfaces.orchestra.dynaForm.metadata.FieldRepresentation org.apache.myfaces.orchestra.dynaForm.metadata.RelationType org.apache.myfaces.orchestra.dynaForm.metadata.Selection | org.apache.myfaces.orchestra.dynaForm.annot.ui org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.metadata.impl org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb org.apache.myfaces.orchestra.dynaForm.metadata.impl.hibernate org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf org.apache.myfaces.orchestra.dynaForm.uri | java.io java.lang java.util javax.faces.component javax.persistence org.apache.myfaces.orchestra.dynaForm.lib |
org.apache.myfaces.orchestra.dynaForm.metadata.impl
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 7 | 0.0% | 88.0% | 12.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.metadata.impl.MetaDataImpl org.apache.myfaces.orchestra.dynaForm.metadata.impl.MetaFieldImpl | org.apache.myfaces.orchestra.dynaForm.jsf.component | java.io java.lang java.util javax.faces.component javax.persistence org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata |
org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 15 | 8.0% | 94.0% | 1.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.ClassHelper | org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.AsmHelper org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.AsmHelper$1 org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.AsmHelper$2 org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.AsmHelper$AcceptMethodInfo org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.BcelHelper org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.ClassHelperFactory org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.EjbExtractor org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.EjbExtractor$Context org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.EjbExtractor$ContextInfo org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.EmptyAnnotationVisitor org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.EmptyClassVisitor org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb.JavaHelper | org.apache.myfaces.orchestra.dynaForm.metadata.impl.hibernate | java.io java.lang java.lang.reflect java.util javax.persistence org.apache.bcel org.apache.bcel.classfile org.apache.bcel.generic org.apache.commons.lang org.apache.commons.logging org.apache.myfaces.orchestra.dynaForm.annot.ui org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.lib org.objectweb.asm |
org.apache.myfaces.orchestra.dynaForm.metadata.impl.hibernate
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 4 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.metadata.impl.hibernate.HibernateExtractor | None | java.lang java.lang.reflect org.apache.myfaces.orchestra.dynaForm.metadata org.apache.myfaces.orchestra.dynaForm.metadata.impl.ejb |
org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 4 | 25.0% | 80.0% | 5.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf.AbstractJsfExtractor | org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf.JsfExclusiveExtractor org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf.JsfExtractor org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf.JsfRequestFieldExtractor | org.apache.myfaces.orchestra.dynaForm.jsf.component | java.lang java.util org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.metadata |
org.apache.myfaces.orchestra.dynaForm.metadata.utils
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 3 | 0.0% | 60.000004% | 40.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.myfaces.orchestra.dynaForm.metadata.utils.TypeInfos org.apache.myfaces.orchestra.dynaForm.metadata.utils.TypeInfos$1 org.apache.myfaces.orchestra.dynaForm.metadata.utils.TypeInfos$Info | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf | java.lang java.math java.util |
org.apache.myfaces.orchestra.dynaForm.uri
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 6 | 33.0% | 86.0% | 19.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.myfaces.orchestra.dynaForm.uri.UriResolver | org.apache.myfaces.orchestra.dynaForm.uri.FacesUriResolver org.apache.myfaces.orchestra.dynaForm.uri.UriResolver$Configuration | org.apache.myfaces.orchestra.dynaForm.jsf.component | java.io java.lang java.util javax.faces.context org.apache.myfaces.orchestra.dynaForm.lib org.apache.myfaces.orchestra.dynaForm.metadata |
Cycles
[ summary ] [ packages ] [ cycles ] [ explanations ]Package | Package Dependencies |
---|---|
org.apache.myfaces.orchestra.dynaForm.jsf.component | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf |
org.apache.myfaces.orchestra.dynaForm.jsf.component.facelets | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf |
org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces | org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces |
org.apache.myfaces.orchestra.dynaForm.metadata.impl.jsf | org.apache.myfaces.orchestra.dynaForm.jsf.component org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.myfaces org.apache.myfaces.orchestra.dynaForm.jsf.guiBuilder.impl.jsf |
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. |