Package | TC | CC | AC | Ca | Ce | A | I | D | V |
---|---|---|---|---|---|---|---|---|---|
org.seasar.cubby | 1 | 1 | 0 | 0 | 1 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.action | 15 | 6 | 9 | 12 | 12 | 60.000004% | 50.0% | 10.0% | 1 |
org.seasar.cubby.action.impl | 7 | 6 | 1 | 1 | 4 | 14.0% | 80.0% | 6.0% | 1 |
org.seasar.cubby.aop | 1 | 1 | 0 | 1 | 8 | 0.0% | 89.0% | 11.0% | 1 |
org.seasar.cubby.controller | 8 | 2 | 6 | 9 | 9 | 75.0% | 50.0% | 25.0% | 1 |
org.seasar.cubby.controller.impl | 7 | 7 | 0 | 0 | 22 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.customizer | 2 | 2 | 0 | 0 | 5 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.dxo | 1 | 0 | 1 | 5 | 2 | 100.0% | 29.0% | 29.0% | 1 |
org.seasar.cubby.dxo.converter.impl | 4 | 3 | 1 | 0 | 6 | 25.0% | 100.0% | 25.0% | 1 |
org.seasar.cubby.dxo.impl | 7 | 7 | 0 | 0 | 18 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.exception | 3 | 3 | 0 | 2 | 2 | 0.0% | 50.0% | 50.0% | 1 |
org.seasar.cubby.filter | 5 | 5 | 0 | 1 | 13 | 0.0% | 93.0% | 7.0% | 1 |
org.seasar.cubby.interceptor | 2 | 2 | 0 | 0 | 10 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.routing | 3 | 0 | 3 | 3 | 3 | 100.0% | 50.0% | 50.0% | 1 |
org.seasar.cubby.routing.impl | 13 | 11 | 2 | 0 | 16 | 15.000001% | 100.0% | 15.000001% | 1 |
org.seasar.cubby.tags | 11 | 9 | 2 | 0 | 16 | 18.0% | 100.0% | 18.0% | 1 |
org.seasar.cubby.unit | 3 | 2 | 1 | 0 | 13 | 33.0% | 100.0% | 33.0% | 1 |
org.seasar.cubby.util | 6 | 6 | 0 | 7 | 12 | 0.0% | 63.0% | 37.0% | 1 |
org.seasar.cubby.validator | 16 | 9 | 7 | 3 | 4 | 44.0% | 57.0% | 1.0% | 1 |
org.seasar.cubby.validator.impl | 1 | 1 | 0 | 0 | 4 | 0.0% | 100.0% | 0.0% | 1 |
org.seasar.cubby.validator.validators | 13 | 13 | 0 | 0 | 13 | 0.0% | 100.0% | 0.0% | 1 |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 1 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.CubbyConstants |
None | java.lang |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
12 | 12 | 60.000004% | 50.0% | 10.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.action.AbstractActionResult org.seasar.cubby.action.Accept org.seasar.cubby.action.Action org.seasar.cubby.action.ActionErrors org.seasar.cubby.action.ActionResult org.seasar.cubby.action.Form org.seasar.cubby.action.FormatPattern org.seasar.cubby.action.Path org.seasar.cubby.action.Validation |
org.seasar.cubby.action.Direct org.seasar.cubby.action.FieldInfo org.seasar.cubby.action.Forward org.seasar.cubby.action.Json org.seasar.cubby.action.Redirect org.seasar.cubby.action.RequestMethod |
org.seasar.cubby.action.impl org.seasar.cubby.controller org.seasar.cubby.controller.impl org.seasar.cubby.dxo.impl org.seasar.cubby.interceptor org.seasar.cubby.routing.impl org.seasar.cubby.tags org.seasar.cubby.unit org.seasar.cubby.util org.seasar.cubby.validator org.seasar.cubby.validator.impl org.seasar.cubby.validator.validators |
java.io java.lang java.lang.annotation java.text java.util javax.servlet javax.servlet.http org.seasar.cubby.controller org.seasar.cubby.util org.seasar.framework.container org.seasar.framework.log org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 4 | 14.0% | 80.0% | 6.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.action.impl.ActionErrorsImpl$EmptyValueFactory |
org.seasar.cubby.action.impl.ActionErrorsImpl org.seasar.cubby.action.impl.ActionErrorsImpl$1 org.seasar.cubby.action.impl.ActionErrorsImpl$IndexMapEmptyValueFactory org.seasar.cubby.action.impl.ActionErrorsImpl$MessageListEmptyValueFactory org.seasar.cubby.action.impl.ActionErrorsImpl$NotNullHashMap org.seasar.cubby.action.impl.FormatPatternImpl |
org.seasar.cubby.controller.impl |
java.lang java.text java.util org.seasar.cubby.action |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 8 | 0.0% | 89.0% | 11.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.aop.ActionMethodPointcutImpl |
org.seasar.cubby.customizer |
java.io java.lang java.lang.reflect java.util java.util.regex org.seasar.cubby.util org.seasar.framework.aop org.seasar.framework.exception |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
9 | 9 | 75.0% | 50.0% | 25.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.controller.ActionContext org.seasar.cubby.controller.ActionDef org.seasar.cubby.controller.ActionDefBuilder org.seasar.cubby.controller.ActionProcessor org.seasar.cubby.controller.CubbyConfiguration org.seasar.cubby.controller.RequestParser |
org.seasar.cubby.controller.ThreadContext org.seasar.cubby.controller.ThreadContext$1 |
org.seasar.cubby.action org.seasar.cubby.controller.impl org.seasar.cubby.dxo.impl org.seasar.cubby.filter org.seasar.cubby.interceptor org.seasar.cubby.tags org.seasar.cubby.unit org.seasar.cubby.util org.seasar.cubby.validator.validators |
java.lang java.lang.reflect java.util javax.servlet javax.servlet.http org.seasar.cubby.action org.seasar.cubby.dxo org.seasar.framework.container org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 22 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.controller.impl.ActionContextImpl org.seasar.cubby.controller.impl.ActionDefBuilderImpl org.seasar.cubby.controller.impl.ActionDefImpl org.seasar.cubby.controller.impl.ActionProcessorImpl org.seasar.cubby.controller.impl.CubbyConfigurationImpl org.seasar.cubby.controller.impl.DefaultRequestParserImpl org.seasar.cubby.controller.impl.MultipartRequestParserImpl |
None | java.io java.lang java.lang.reflect java.util java.util.regex javax.servlet javax.servlet.http org.apache.commons.fileupload org.apache.commons.fileupload.servlet org.seasar.cubby.action org.seasar.cubby.action.impl org.seasar.cubby.controller org.seasar.cubby.dxo org.seasar.cubby.exception org.seasar.cubby.filter org.seasar.cubby.util org.seasar.framework.beans org.seasar.framework.beans.factory org.seasar.framework.container org.seasar.framework.exception org.seasar.framework.log org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 5 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.customizer.ActionMethodCustomizer org.seasar.cubby.customizer.PointcutFactory |
None | java.lang org.seasar.cubby.aop org.seasar.framework.aop org.seasar.framework.container.customizer org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
5 | 2 | 100.0% | 29.0% | 29.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.dxo.FormDxo |
None | org.seasar.cubby.controller org.seasar.cubby.controller.impl org.seasar.cubby.dxo.impl org.seasar.cubby.interceptor org.seasar.cubby.tags |
java.lang java.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 6 | 25.0% | 100.0% | 25.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.dxo.converter.impl.AbstractFileItemConverter |
org.seasar.cubby.dxo.converter.impl.ByteArrayConverter org.seasar.cubby.dxo.converter.impl.FileItemConverter org.seasar.cubby.dxo.converter.impl.InputStreamConverter |
None | java.io java.lang org.apache.commons.fileupload org.seasar.extension.dxo.converter org.seasar.extension.dxo.converter.impl org.seasar.framework.log |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 18 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.dxo.impl.BeanToStringArrayMapDxoCommand org.seasar.cubby.dxo.impl.FormDxoImpl org.seasar.cubby.dxo.impl.ObjectArrayMapToBeanDxoCommand org.seasar.cubby.dxo.impl.RequestParameterAnnotationReader org.seasar.cubby.dxo.impl.RequestParameterConverterFactoryImpl org.seasar.cubby.dxo.impl.RequestParameterConverterFactoryImpl$1 org.seasar.cubby.dxo.impl.RequestParameterConverterFactoryImpl$DisregardExceptionConverterWrapper |
None | java.lang java.lang.reflect java.util org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.dxo org.seasar.extension.dxo.annotation org.seasar.extension.dxo.annotation.impl org.seasar.extension.dxo.command org.seasar.extension.dxo.command.impl org.seasar.extension.dxo.converter org.seasar.extension.dxo.converter.impl org.seasar.framework.beans org.seasar.framework.beans.factory org.seasar.framework.container org.seasar.framework.container.factory org.seasar.framework.log org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 2 | 0.0% | 50.0% | 50.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.exception.ActionRuntimeException org.seasar.cubby.exception.DuplicateRoutingRuntimeException org.seasar.cubby.exception.FileUploadRuntimeException |
org.seasar.cubby.controller.impl org.seasar.cubby.routing.impl |
java.lang org.seasar.framework.exception |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 13 | 0.0% | 93.0% | 7.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.filter.CubbyFilter org.seasar.cubby.filter.CubbyHttpServletRequestWrapper org.seasar.cubby.filter.CubbyHttpServletRequestWrapper$1 org.seasar.cubby.filter.CubbyHttpServletRequestWrapper$IteratorEnumeration org.seasar.cubby.filter.RequestRoutingFilter |
org.seasar.cubby.controller.impl |
java.io java.lang java.util java.util.regex javax.servlet javax.servlet.http org.seasar.cubby.controller org.seasar.cubby.routing org.seasar.framework.beans org.seasar.framework.beans.factory org.seasar.framework.container org.seasar.framework.log org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 10 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.interceptor.InitializeInterceptor org.seasar.cubby.interceptor.ValidationInterceptor |
None | java.lang java.util javax.servlet.http org.aopalliance.intercept org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.dxo org.seasar.cubby.validator org.seasar.framework.beans org.seasar.framework.beans.factory |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
3 | 3 | 100.0% | 50.0% | 50.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.routing.InternalForwardInfo org.seasar.cubby.routing.PathResolver org.seasar.cubby.routing.Router |
None | org.seasar.cubby.filter org.seasar.cubby.routing.impl org.seasar.cubby.unit |
java.lang java.util javax.servlet.http |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 16 | 15.000001% | 100.0% | 15.000001% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.routing.impl.ClassCollector org.seasar.cubby.routing.impl.ClassCollector$Strategy |
org.seasar.cubby.routing.impl.ClassCollector$1 org.seasar.cubby.routing.impl.ClassCollector$CodeSourceFileStrategy org.seasar.cubby.routing.impl.ClassCollector$FileSystemStrategy org.seasar.cubby.routing.impl.ClassCollector$JarFileStrategy org.seasar.cubby.routing.impl.ClassCollector$ZipFileStrategy org.seasar.cubby.routing.impl.InternalForwardInfoImpl org.seasar.cubby.routing.impl.PathResolverImpl org.seasar.cubby.routing.impl.PathResolverImpl$ActionClassCollector org.seasar.cubby.routing.impl.PathResolverImpl$Routing org.seasar.cubby.routing.impl.PathResolverImpl$RoutingComparator org.seasar.cubby.routing.impl.RouterImpl |
None | java.io java.lang java.lang.reflect java.net java.util java.util.jar java.util.regex javax.servlet.http org.seasar.cubby.action org.seasar.cubby.exception org.seasar.cubby.routing org.seasar.cubby.util org.seasar.framework.convention org.seasar.framework.exception org.seasar.framework.log org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 16 | 18.0% | 100.0% | 18.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.tags.DynamicAttributesTagSupport org.seasar.cubby.tags.SelectTag$ItemAdaptor |
org.seasar.cubby.tags.FormTag org.seasar.cubby.tags.InputTag org.seasar.cubby.tags.SelectTag org.seasar.cubby.tags.SelectTag$BeanItemAdaptor org.seasar.cubby.tags.SelectTag$EntryItemAdaptor org.seasar.cubby.tags.SelectTag$OptionWriter org.seasar.cubby.tags.TagUtils org.seasar.cubby.tags.TextareaTag org.seasar.cubby.tags.TokenTag |
None | java.io java.lang java.util javax.servlet.http javax.servlet.jsp javax.servlet.jsp.tagext org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.dxo org.seasar.cubby.util org.seasar.framework.beans org.seasar.framework.beans.factory org.seasar.framework.container org.seasar.framework.log org.seasar.framework.message org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 13 | 33.0% | 100.0% | 33.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.unit.CubbyTestCase |
org.seasar.cubby.unit.CubbyTestCase$1 org.seasar.cubby.unit.CubbyTestCase$MockFilterChain |
None | java.io java.lang java.lang.reflect java.util javax.servlet javax.servlet.http org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.routing org.seasar.framework.beans.util org.seasar.framework.mock.servlet org.seasar.framework.unit org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
7 | 12 | 0.0% | 63.0% | 37.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.util.CubbyFunctions org.seasar.cubby.util.CubbyUtils org.seasar.cubby.util.CubbyUtils$1AcceptDummy org.seasar.cubby.util.Messages org.seasar.cubby.util.QueryStringBuilder org.seasar.cubby.util.TokenHelper |
org.seasar.cubby.action org.seasar.cubby.aop org.seasar.cubby.controller.impl org.seasar.cubby.routing.impl org.seasar.cubby.tags org.seasar.cubby.validator org.seasar.cubby.validator.validators |
java.io java.lang java.lang.reflect java.math java.net java.text java.util javax.servlet.http org.seasar.cubby.action org.seasar.cubby.controller org.seasar.framework.exception org.seasar.framework.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
3 | 4 | 44.0% | 57.0% | 1.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.seasar.cubby.validator.ArrayFieldValidator org.seasar.cubby.validator.FieldValidationRule$ValidationInvoker org.seasar.cubby.validator.ScalarFieldValidator org.seasar.cubby.validator.ValidationProcessor org.seasar.cubby.validator.ValidationRule org.seasar.cubby.validator.ValidationRules org.seasar.cubby.validator.Validator |
org.seasar.cubby.validator.DefaultValidationRules org.seasar.cubby.validator.FieldValidationRule org.seasar.cubby.validator.FieldValidationRule$ArrayFieldValidationInvoker org.seasar.cubby.validator.FieldValidationRule$ScalarFieldValidationInvoker org.seasar.cubby.validator.MessageHelper org.seasar.cubby.validator.MessageInfo org.seasar.cubby.validator.MessageInfo$1 org.seasar.cubby.validator.MessageInfo$MessageBuilder org.seasar.cubby.validator.ValidationContext |
org.seasar.cubby.interceptor org.seasar.cubby.validator.impl org.seasar.cubby.validator.validators |
java.lang java.util org.seasar.cubby.action org.seasar.cubby.util |
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.seasar.cubby.validator.impl.ValidationProcessorImpl |
None | java.lang java.util org.seasar.cubby.action org.seasar.cubby.validator |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 13 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.seasar.cubby.validator.validators.ArrayMaxSizeValidator org.seasar.cubby.validator.validators.ArrayMinSizeValidator org.seasar.cubby.validator.validators.DateFormatValidator org.seasar.cubby.validator.validators.EmailValidator org.seasar.cubby.validator.validators.EqualsValidator org.seasar.cubby.validator.validators.FileRegexpValidator org.seasar.cubby.validator.validators.MaxLengthValidator org.seasar.cubby.validator.validators.NumberValidator org.seasar.cubby.validator.validators.RangeLengthValidator org.seasar.cubby.validator.validators.RangeValidator org.seasar.cubby.validator.validators.RegexpValidator org.seasar.cubby.validator.validators.RequiredValidator org.seasar.cubby.validator.validators.TokenValidator |
None | java.lang java.math java.text java.util java.util.regex javax.servlet.http org.apache.commons.fileupload org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.util org.seasar.cubby.validator org.seasar.framework.exception org.seasar.framework.util |
Package | Package Dependencies |
---|---|
org.seasar.cubby.action | org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.action.impl | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.aop | org.seasar.cubby.util org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.controller | org.seasar.cubby.action org.seasar.cubby.controller |
org.seasar.cubby.controller.impl | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.customizer | org.seasar.cubby.aop org.seasar.cubby.util org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.dxo.impl | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.filter | org.seasar.cubby.controller org.seasar.cubby.action org.seasar.cubby.controller |
org.seasar.cubby.interceptor | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.routing.impl | org.seasar.cubby.util org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.tags | org.seasar.cubby.controller org.seasar.cubby.action org.seasar.cubby.controller |
org.seasar.cubby.unit | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.util | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.validator | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.validator.impl | org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
org.seasar.cubby.validator.validators | org.seasar.cubby.validator org.seasar.cubby.action org.seasar.cubby.controller org.seasar.cubby.action |
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. |