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.gnu.glpk 35 32 3 0 3 9.0% 100.0% 9.0% 1

Packages

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

org.gnu.glpk

Afferent Couplings Efferent Couplings Abstractness Instability Distance
0 3 9.0% 100.0% 9.0%
Abstract Classes Concrete Classes Used by Packages Uses Packages
org.gnu.glpk.GLPKConstants
org.gnu.glpk.GlpkCallbackListener
org.gnu.glpk.GlpkTerminalListener
org.gnu.glpk.GLPK
org.gnu.glpk.GLPKJNI
org.gnu.glpk.GlpkCallback
org.gnu.glpk.GlpkCallback$1
org.gnu.glpk.GlpkException
org.gnu.glpk.GlpkTerminal
org.gnu.glpk.GlpkTerminal$1
org.gnu.glpk.SWIGTYPE_p_double
org.gnu.glpk.SWIGTYPE_p_f_p_q_const__char_v_______void
org.gnu.glpk.SWIGTYPE_p_f_p_struct_glp_tree_p_void__void
org.gnu.glpk.SWIGTYPE_p_f_p_void__void
org.gnu.glpk.SWIGTYPE_p_f_p_void_p_q_const__char__int
org.gnu.glpk.SWIGTYPE_p_int
org.gnu.glpk.SWIGTYPE_p_p_glp_vertex
org.gnu.glpk.SWIGTYPE_p_size_t
org.gnu.glpk.SWIGTYPE_p_va_list
org.gnu.glpk.SWIGTYPE_p_void
org.gnu.glpk.glp_arc
org.gnu.glpk.glp_attr
org.gnu.glpk.glp_bfcp
org.gnu.glpk.glp_cpxcp
org.gnu.glpk.glp_graph
org.gnu.glpk.glp_iocp
org.gnu.glpk.glp_iptcp
org.gnu.glpk.glp_java_arc_data
org.gnu.glpk.glp_java_vertex_data
org.gnu.glpk.glp_mpscp
org.gnu.glpk.glp_prob
org.gnu.glpk.glp_smcp
org.gnu.glpk.glp_tran
org.gnu.glpk.glp_tree
org.gnu.glpk.glp_vertex
None java.io
java.lang
java.util

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.