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.opendaylight.controller.config.yang.bgp.openconfig 5 2 3 0 12 60.000004% 100.0% 60.000004% 1
org.opendaylight.protocol.bgp.openconfig.impl 3 3 0 1 22 0.0% 96.0% 4.0% 1
org.opendaylight.protocol.bgp.openconfig.impl.comparator 3 3 0 1 14 0.0% 93.0% 7.0% 1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig 28 28 0 1 49 0.0% 98.0% 2.0% 1
org.opendaylight.protocol.bgp.openconfig.impl.openconfig 6 4 2 1 21 33.0% 95.0% 29.0% 1
org.opendaylight.protocol.bgp.openconfig.impl.spi 3 0 3 4 4 100.0% 50.0% 50.0% 1
org.opendaylight.protocol.bgp.openconfig.impl.util 2 2 0 2 6 0.0% 75.0% 25.0% 1
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718 3 2 1 0 9 33.0% 100.0% 33.0% 1
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration 4 3 1 0 7 25.0% 100.0% 25.0% 1
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp 4 3 1 1 6 25.0% 86.0% 11.0% 1

Packages

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

org.opendaylight.controller.config.yang.bgp.openconfig

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 12 60.000004% 100.0% 60.000004%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.controller.config.yang.bgp.openconfig.AbstractBgpOpenConfigImplModule
org.opendaylight.controller.config.yang.bgp.openconfig.AbstractBgpOpenConfigImplModuleFactory
org.opendaylight.controller.config.yang.bgp.openconfig.BgpOpenConfigImplModuleMXBean
org.opendaylight.controller.config.yang.bgp.openconfig.BgpOpenConfigImplModule
org.opendaylight.controller.config.yang.bgp.openconfig.BgpOpenConfigImplModuleFactory
None java.lang
java.lang.reflect
java.util
javax.management
org.opendaylight.controller.config.api
org.opendaylight.controller.config.spi
org.opendaylight.controller.config.yang.bgp_openconfig_spi
org.opendaylight.controller.config.yang.md.sal.binding
org.opendaylight.controller.sal.binding.api
org.opendaylight.protocol.bgp.openconfig.impl
org.osgi.framework
org.slf4j

org.opendaylight.protocol.bgp.openconfig.impl

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.opendaylight.protocol.bgp.openconfig.impl.BGPConfigHolderImpl
org.opendaylight.protocol.bgp.openconfig.impl.BGPConfigStateStoreImpl
org.opendaylight.protocol.bgp.openconfig.impl.BGPOpenConfig
org.opendaylight.controller.config.yang.bgp.openconfig
com.google.common.base
com.google.common.collect
java.lang
java.util
org.opendaylight.controller.md.sal.binding.api
org.opendaylight.controller.sal.binding.api
org.opendaylight.protocol.bgp.openconfig.impl.comparator
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig
org.opendaylight.protocol.bgp.openconfig.impl.openconfig
org.opendaylight.protocol.bgp.openconfig.impl.spi
org.opendaylight.protocol.bgp.openconfig.spi
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top
org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules
org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021
org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology
org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding
org.opendaylight.yangtools.yang.common
org.slf4j

org.opendaylight.protocol.bgp.openconfig.impl.comparator

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 14 0.0% 93.0% 7.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.opendaylight.protocol.bgp.openconfig.impl.comparator.GlobalComparator
org.opendaylight.protocol.bgp.openconfig.impl.comparator.NeighborComparator
org.opendaylight.protocol.bgp.openconfig.impl.comparator.OpenConfigComparatorFactory
org.opendaylight.protocol.bgp.openconfig.impl
com.google.common.base
com.google.common.collect
java.lang
java.util
org.opendaylight.protocol.bgp.openconfig.impl.spi
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.timers
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.transport
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp
org.opendaylight.yangtools.yang.binding

org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 49 0.0% 98.0% 2.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.AddPathFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.AddPathFunction$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.AddPathFunction$2
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPAppPeerProvider
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPAppPeerProvider$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPAppPeerProvider$2
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPConfigModuleProvider
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPOpenConfigListener
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPOpenConfigListener$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPPeerProvider
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPPeerProvider$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPPeerProvider$2
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPPeerProvider$3
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPPeerProvider$4
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPRibImplProvider
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPRibImplProvider$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.BGPRibImplProvider$2
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.DataBrokerFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.DataBrokerFunction$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.PathSelectionModeFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.PathSelectionModeFunction$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.PathSelectionModeFunction$2
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.RibInstanceFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.RibInstanceFunction$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.RpcRegistryFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.TableTypesFunction
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.TableTypesFunction$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig.TableTypesFunction$2
org.opendaylight.protocol.bgp.openconfig.impl
com.google.common.base
com.google.common.collect
com.google.common.util.concurrent
java.lang
java.math
java.util
org.opendaylight.controller.md.sal.binding.api
org.opendaylight.controller.md.sal.common.api.data
org.opendaylight.protocol.bgp.openconfig.impl.spi
org.opendaylight.protocol.bgp.openconfig.impl.util
org.opendaylight.protocol.bgp.parser
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor.use.multiple.paths
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.ibgp
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.timers
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.transport
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.path.selection.mode.rev160301
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.path.selection.mode.rev160301.modules.module.configuration
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.add.path.impl
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.bgp.application.peer
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.bgp.peer
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.bgp.psm.impl
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.rib.impl
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.services
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.services.service
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.binding.rev131028
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.dom.rev131028
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.rfc2385.cfg.rev160324
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding
org.opendaylight.yangtools.yang.common
org.slf4j

org.opendaylight.protocol.bgp.openconfig.impl.openconfig

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 21 33.0% 95.0% 29.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.AbstractBGPNeighborProvider
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.AbstractBGPOpenConfigMapper
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.BGPAppNeighborProviderImpl
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.BGPConfigMapperRegistry
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.BGPConfigModuleMapperProvider
org.opendaylight.protocol.bgp.openconfig.impl.openconfig.BGPNeighborProviderImpl$1
org.opendaylight.protocol.bgp.openconfig.impl
com.google.common.base
com.google.common.util.concurrent
java.lang
java.util
org.opendaylight.controller.md.sal.binding.api
org.opendaylight.controller.md.sal.common.api.data
org.opendaylight.protocol.bgp.openconfig.impl.spi
org.opendaylight.protocol.bgp.openconfig.impl.util
org.opendaylight.protocol.bgp.openconfig.spi
org.opendaylight.protocol.bgp.openconfig.spi.pojo
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors
org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding
org.slf4j

org.opendaylight.protocol.bgp.openconfig.impl.spi

Afferent Couplings Efferent Couplings Abstractness Instability Distance
4 4 100.0% 50.0% 50.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.protocol.bgp.openconfig.impl.spi.BGPConfigHolder
org.opendaylight.protocol.bgp.openconfig.impl.spi.BGPConfigStateStore
org.opendaylight.protocol.bgp.openconfig.impl.spi.OpenConfigComparator
None org.opendaylight.protocol.bgp.openconfig.impl
org.opendaylight.protocol.bgp.openconfig.impl.comparator
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig
org.opendaylight.protocol.bgp.openconfig.impl.openconfig
java.lang
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding

org.opendaylight.protocol.bgp.openconfig.impl.util

Afferent Couplings Efferent Couplings Abstractness Instability Distance
2 6 0.0% 75.0% 25.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.opendaylight.protocol.bgp.openconfig.impl.util.GlobalIdentifier
org.opendaylight.protocol.bgp.openconfig.impl.util.OpenConfigUtil$1
org.opendaylight.protocol.bgp.openconfig.impl.moduleconfig
org.opendaylight.protocol.bgp.openconfig.impl.openconfig
com.google.common.base
java.lang
java.util
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925
org.opendaylight.yangtools.concepts

org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 9 33.0% 100.0% 33.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.OpenconfigBgp
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.$YangModelBindingProvider
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.$YangModuleInfoImpl
None com.google.common.collect
java.io
java.lang
java.util
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.spi.rev150925
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.binding.rev131028
org.opendaylight.yangtools.yang.binding
org.opendaylight.yangtools.yang.common

org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 7 25.0% 100.0% 25.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.OpenconfigBgp
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.OpenconfigBgpBuilder
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.OpenconfigBgpBuilder$1
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.OpenconfigBgpBuilder$OpenconfigBgpImpl
None java.lang
java.util
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules.module
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding
org.opendaylight.yangtools.yang.common

org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp

Afferent Couplings Efferent Couplings Abstractness Instability Distance
1 6 25.0% 86.0% 11.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp.BindingBroker
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp.BindingBrokerBuilder
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp.BindingBrokerBuilder$1
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration.openconfig.bgp.BindingBrokerBuilder$BindingBrokerImpl
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.openconfig.rev150718.modules.module.configuration
java.lang
java.util
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405
org.opendaylight.yangtools.concepts
org.opendaylight.yangtools.yang.binding
org.opendaylight.yangtools.yang.common

Cycles

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

There are no cyclic dependencies.

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.