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.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core 3 3 0 1 15 0.0% 94.0% 6.0% 1
org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.facade 1 1 0 0 3 0.0% 100.0% 0.0% 1
org.apache.shardingsphere.data.pipeline.migration.distsql.parser.core 2 2 0 1 5 0.0% 83.0% 17.0% 1
org.apache.shardingsphere.data.pipeline.migration.distsql.parser.facade 1 1 0 0 3 0.0% 100.0% 0.0% 1
org.apache.shardingsphere.distsql.parser.autogen 81 79 2 2 6 2.0% 75.0% 23.0% 1

Packages

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

org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core

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.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core.CDCDistSQLLexer
org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core.CDCDistSQLParser
org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core.CDCDistSQLStatementVisitor
 org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.facade
 java.lang
java.util
org.antlr.v4.runtime
org.antlr.v4.runtime.tree
org.apache.shardingsphere.data.pipeline.cdc.distsql.statement.queryable
org.apache.shardingsphere.data.pipeline.cdc.distsql.statement.updatable
org.apache.shardingsphere.data.pipeline.distsql.statement.updatable
org.apache.shardingsphere.distsql.parser.autogen
org.apache.shardingsphere.distsql.segment
org.apache.shardingsphere.infra.database.core.metadata.database.enums
org.apache.shardingsphere.sql.parser.api
org.apache.shardingsphere.sql.parser.api.parser
org.apache.shardingsphere.sql.parser.api.visitor
org.apache.shardingsphere.sql.parser.core
org.apache.shardingsphere.sql.parser.statement.core.value.identifier

org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.facade

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 3 0.0% 100.0% 0.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.facade.CDCDistSQLParserFacade
 None java.lang
org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core
org.apache.shardingsphere.distsql.parser.engine.spi

org.apache.shardingsphere.data.pipeline.migration.distsql.parser.core

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.shardingsphere.data.pipeline.migration.distsql.parser.core.MigrationDistSQLLexer
org.apache.shardingsphere.data.pipeline.migration.distsql.parser.core.MigrationDistSQLParser
 org.apache.shardingsphere.data.pipeline.migration.distsql.parser.facade
 org.antlr.v4.runtime
org.apache.shardingsphere.distsql.parser.autogen
org.apache.shardingsphere.sql.parser.api
org.apache.shardingsphere.sql.parser.api.parser
org.apache.shardingsphere.sql.parser.core

org.apache.shardingsphere.data.pipeline.migration.distsql.parser.facade

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 3 0.0% 100.0% 0.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
None org.apache.shardingsphere.data.pipeline.migration.distsql.parser.facade.MigrationDistSQLParserFacade
 None java.lang
org.apache.shardingsphere.data.pipeline.migration.distsql.parser.core
org.apache.shardingsphere.distsql.parser.engine.spi

org.apache.shardingsphere.distsql.parser.autogen

Afferent Couplings Efferent Couplings Abstractness Instability Distance
2 6 2.0% 75.0% 23.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementVisitor
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementVisitor
 org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementBaseVisitor
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementLexer
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$AlgorithmDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$AlgorithmTypeNameContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$AlterStreamingRuleContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$BatchSizeContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$DropStreamingContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ExecuteContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$IntValueContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$JobIdContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$LiteralContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$PropertiesContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$PropertiesDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$PropertyContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$RateLimiterContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ReadDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ShardingSizeContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ShowStreamingListContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ShowStreamingRuleContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$ShowStreamingStatusContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$StreamChannelContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$TransmissionRuleContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$WorkerThreadContext
org.apache.shardingsphere.distsql.parser.autogen.CDCDistSQLStatementParser$WriteDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementBaseVisitor
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementLexer
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$AlgorithmDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$AlgorithmTypeNameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$AlterMigrationRuleContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$BatchSizeContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$CheckMigrationContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$CommitMigrationContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$DbNameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$DropMigrationCheckContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ExecuteContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$HostnameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$IdentifierContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$IntValueContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$JobIdContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$LiteralContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$MigrateTableContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$NameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$OwnerContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$PasswordContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$PortContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$PropertiesContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$PropertiesDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$PropertyContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$RateLimiterContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ReadDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$RegisterMigrationSourceStorageUnitContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$RollbackMigrationContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$SchemaContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShardingSizeContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationCheckAlgorithmsContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationCheckStatusContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationListContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationRuleContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationSourceStorageUnitsContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$ShowMigrationStatusContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$SimpleSourceContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$SourceTableNameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StartMigrationCheckContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StartMigrationContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StopMigrationCheckContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StopMigrationContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StorageUnitDefinitionContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StorageUnitNameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$StreamChannelContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$TargetTableNameContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$TransmissionRuleContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$UnregisterMigrationSourceStorageUnitContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$UrlContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$UrlSourceContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$UserContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$WorkerThreadContext
org.apache.shardingsphere.distsql.parser.autogen.MigrationDistSQLStatementParser$WriteDefinitionContext
 org.apache.shardingsphere.data.pipeline.cdc.distsql.parser.core
org.apache.shardingsphere.data.pipeline.migration.distsql.parser.core
 java.lang
java.util
org.antlr.v4.runtime
org.antlr.v4.runtime.atn
org.antlr.v4.runtime.dfa
org.antlr.v4.runtime.tree

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.