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
org.bitrepository.pillar 4 3 1 2 8 25.0% 80.0% 5.0% 1
org.bitrepository.pillar.cache 5 4 1 6 10 20.0% 62.0% 18.0% 1
org.bitrepository.pillar.cache.database 5 5 0 4 11 0.0% 73.0% 27.000002% 1
org.bitrepository.pillar.checksumpillar 2 2 0 1 15 0.0% 94.0% 6.0% 1
org.bitrepository.pillar.checksumpillar.messagehandler 16 15 1 1 27 6.0% 96.0% 3.0% 1
org.bitrepository.pillar.common 7 5 2 4 18 29.0% 82.0% 10.0% 1
org.bitrepository.pillar.referencepillar 2 2 0 1 22 0.0% 96.0% 4.0% 1
org.bitrepository.pillar.referencepillar.archive 4 4 0 3 16 0.0% 84.0% 16.0% 1
org.bitrepository.pillar.referencepillar.messagehandler 14 13 1 1 29 7.0% 97.0% 4.0% 1
org.bitrepository.pillar.referencepillar.scheduler 1 1 0 1 4 0.0% 80.0% 20.0% 1

Packages

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

org.bitrepository.pillar

Afferent Couplings Efferent Couplings Abstractness Instability Distance
2 8 25.0% 80.0% 5.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.bitrepository.pillar.Pillar
org.bitrepository.pillar.PillarComponentFactory
org.bitrepository.pillar.PillarRunner
org.bitrepository.pillar.PillarSettingsProvider
org.bitrepository.pillar.checksumpillar
org.bitrepository.pillar.referencepillar
java.lang
org.bitrepository.common.settings
org.bitrepository.pillar.cache
org.bitrepository.pillar.checksumpillar
org.bitrepository.pillar.referencepillar
org.bitrepository.protocol
org.bitrepository.protocol.security
org.bitrepository.settings.referencesettings

org.bitrepository.pillar.cache

Afferent Couplings Efferent Couplings Abstractness Instability Distance
6 10 20.0% 62.0% 18.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.bitrepository.pillar.cache.ChecksumStore
org.bitrepository.pillar.cache.ChecksumDAO
org.bitrepository.pillar.cache.ChecksumDBMigrator
org.bitrepository.pillar.cache.ChecksumDatabaseManager
org.bitrepository.pillar.cache.ChecksumEntry
org.bitrepository.pillar
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.checksumpillar
org.bitrepository.pillar.checksumpillar.messagehandler
org.bitrepository.pillar.referencepillar
org.bitrepository.pillar.referencepillar.archive
java.lang
java.util
javax.xml.datatype
org.bitrepository.common
org.bitrepository.common.settings
org.bitrepository.pillar.cache.database
org.bitrepository.service.database
org.bitrepository.settings.referencesettings
org.bitrepository.settings.repositorysettings
org.slf4j

org.bitrepository.pillar.cache.database

Afferent Couplings Efferent Couplings Abstractness Instability Distance
4 11 0.0% 73.0% 27.000002%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.bitrepository.pillar.cache.database.ChecksumExtractor
org.bitrepository.pillar.cache.database.ChecksumIngestor
org.bitrepository.pillar.cache.database.DatabaseConstants
org.bitrepository.pillar.cache.database.ExtractedChecksumResultSet
org.bitrepository.pillar.cache.database.ExtractedFileIDsResultSet
org.bitrepository.pillar.cache
org.bitrepository.pillar.checksumpillar.messagehandler
org.bitrepository.pillar.referencepillar.archive
org.bitrepository.pillar.referencepillar.messagehandler
java.lang
java.math
java.sql
java.util
javax.xml.datatype
org.bitrepository.bitrepositoryelements
org.bitrepository.common
org.bitrepository.common.filestore
org.bitrepository.common.utils
org.bitrepository.pillar.cache
org.bitrepository.service.database

org.bitrepository.pillar.checksumpillar

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 15 0.0% 94.0% 6.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.bitrepository.pillar.checksumpillar.ChecksumPillar
org.bitrepository.pillar.checksumpillar.ChecksumPillarLauncher
org.bitrepository.pillar
java.lang
java.util
javax.jms
org.bitrepository.common
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.pillar
org.bitrepository.pillar.cache
org.bitrepository.pillar.checksumpillar.messagehandler
org.bitrepository.pillar.common
org.bitrepository.protocol.messagebus
org.bitrepository.service.audit
org.bitrepository.service.contributor
org.bitrepository.settings.referencesettings
org.slf4j

org.bitrepository.pillar.checksumpillar.messagehandler

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 27 6.0% 96.0% 3.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.bitrepository.pillar.checksumpillar.messagehandler.ChecksumPillarMessageHandler
org.bitrepository.pillar.checksumpillar.messagehandler.ChecksumPillarMediator
org.bitrepository.pillar.checksumpillar.messagehandler.DeleteFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.GetChecksumsRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.GetFileIDsRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.GetFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForDeleteFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForGetChecksumsRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForGetFileIDsRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForGetFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForPutFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.IdentifyPillarsForReplaceFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.PutFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.PutFileRequestHandler$1
org.bitrepository.pillar.checksumpillar.messagehandler.ReplaceFileRequestHandler
org.bitrepository.pillar.checksumpillar.messagehandler.ReplaceFileRequestHandler$1
org.bitrepository.pillar.checksumpillar
java.io
java.lang
java.math
java.net
java.util
javax.xml.bind
org.apache.activemq.util
org.bitrepository.bitrepositorydata
org.bitrepository.bitrepositoryelements
org.bitrepository.bitrepositorymessages
org.bitrepository.common
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.common
org.bitrepository.protocol
org.bitrepository.protocol.messagebus
org.bitrepository.protocol.utils
org.bitrepository.service.audit
org.bitrepository.service.contributor
org.bitrepository.service.contributor.handler
org.bitrepository.service.exception
org.bitrepository.settings.referencesettings
org.bitrepository.settings.repositorysettings
org.slf4j
org.xml.sax

org.bitrepository.pillar.common

Afferent Couplings Efferent Couplings Abstractness Instability Distance
4 18 29.0% 82.0% 10.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.bitrepository.pillar.common.PillarMediator
org.bitrepository.pillar.common.PillarMessageHandler
org.bitrepository.pillar.common.ChecksumDatabaseCreator
org.bitrepository.pillar.common.MessageHandlerContext
org.bitrepository.pillar.common.PillarAlarmDispatcher
org.bitrepository.pillar.common.PillarAuditTrailDatabaseCreator
org.bitrepository.pillar.common.SettingsHelper
org.bitrepository.pillar.checksumpillar
org.bitrepository.pillar.checksumpillar.messagehandler
org.bitrepository.pillar.referencepillar
org.bitrepository.pillar.referencepillar.messagehandler
java.lang
java.util
org.bitrepository.bitrepositoryelements
org.bitrepository.bitrepositorymessages
org.bitrepository.common
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.protocol
org.bitrepository.protocol.messagebus
org.bitrepository.service
org.bitrepository.service.audit
org.bitrepository.service.contributor
org.bitrepository.service.contributor.handler
org.bitrepository.service.database
org.bitrepository.service.exception
org.bitrepository.settings.referencesettings
org.bitrepository.settings.repositorysettings
org.slf4j

org.bitrepository.pillar.referencepillar

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 22 0.0% 96.0% 4.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.bitrepository.pillar.referencepillar.ReferencePillar
org.bitrepository.pillar.referencepillar.ReferencePillarLauncher
org.bitrepository.pillar
java.lang
java.lang.reflect
java.math
java.util
javax.jms
org.bitrepository.common
org.bitrepository.common.filestore
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.pillar
org.bitrepository.pillar.cache
org.bitrepository.pillar.common
org.bitrepository.pillar.referencepillar.archive
org.bitrepository.pillar.referencepillar.messagehandler
org.bitrepository.pillar.referencepillar.scheduler
org.bitrepository.protocol
org.bitrepository.protocol.messagebus
org.bitrepository.service.audit
org.bitrepository.service.contributor
org.bitrepository.service.scheduler
org.bitrepository.settings.referencesettings
org.slf4j

org.bitrepository.pillar.referencepillar.archive

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.bitrepository.pillar.referencepillar.archive.ArchiveDirectory
org.bitrepository.pillar.referencepillar.archive.CollectionArchiveManager
org.bitrepository.pillar.referencepillar.archive.ReferenceArchive
org.bitrepository.pillar.referencepillar.archive.ReferenceChecksumManager
org.bitrepository.pillar.referencepillar
org.bitrepository.pillar.referencepillar.messagehandler
org.bitrepository.pillar.referencepillar.scheduler
java.io
java.lang
java.math
java.util
java.util.concurrent
javax.xml.datatype
org.bitrepository.bitrepositoryelements
org.bitrepository.common
org.bitrepository.common.filestore
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.service
org.bitrepository.settings.referencesettings
org.slf4j

org.bitrepository.pillar.referencepillar.messagehandler

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 29 7.0% 97.0% 4.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.bitrepository.pillar.referencepillar.messagehandler.ReferencePillarMessageHandler
org.bitrepository.pillar.referencepillar.messagehandler.DeleteFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.GetChecksumsRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.GetFileIDsRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.GetFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForDeleteFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForGetChecksumsRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForGetFileIDsRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForGetFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForPutFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.IdentifyPillarsForReplaceFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.PutFileRequestHandler
org.bitrepository.pillar.referencepillar.messagehandler.ReferencePillarMediator
org.bitrepository.pillar.referencepillar.messagehandler.ReplaceFileRequestHandler
org.bitrepository.pillar.referencepillar
java.io
java.lang
java.math
java.net
java.security
java.util
javax.xml.bind
org.apache.activemq.util
org.bitrepository.bitrepositorydata
org.bitrepository.bitrepositoryelements
org.bitrepository.bitrepositorymessages
org.bitrepository.common
org.bitrepository.common.filestore
org.bitrepository.common.settings
org.bitrepository.common.utils
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.common
org.bitrepository.pillar.referencepillar.archive
org.bitrepository.protocol
org.bitrepository.protocol.messagebus
org.bitrepository.protocol.utils
org.bitrepository.service.audit
org.bitrepository.service.contributor
org.bitrepository.service.contributor.handler
org.bitrepository.service.exception
org.bitrepository.settings.referencesettings
org.bitrepository.settings.repositorysettings
org.slf4j
org.xml.sax

org.bitrepository.pillar.referencepillar.scheduler

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 4 0.0% 80.0% 20.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.bitrepository.pillar.referencepillar.scheduler.RecalculateChecksumJob
org.bitrepository.pillar.referencepillar
java.lang
org.bitrepository.pillar.referencepillar.archive
org.bitrepository.service.workflow
org.slf4j

Cycles

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

Package Package Dependencies
org.bitrepository.pillar org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.checksumpillar org.bitrepository.pillar.checksumpillar.messagehandler
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.checksumpillar.messagehandler org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.referencepillar org.bitrepository.pillar
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.referencepillar.archive org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.referencepillar.messagehandler org.bitrepository.pillar.referencepillar.archive
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.referencepillar.scheduler org.bitrepository.pillar.referencepillar.archive
org.bitrepository.pillar.cache.database
org.bitrepository.pillar.cache
org.bitrepository.pillar.cache.database

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.