Package net.sourceforge.pmd.lang.java.metrics.impl

Class CycloMetric

java.lang.Object

net.sourceforge.pmd.lang.metrics.AbstractMetric<N>

net.sourceforge.pmd.lang.java.metrics.AbstractJavaMetric<MethodLikeNode>

net.sourceforge.pmd.lang.java.metrics.impl.AbstractJavaOperationMetric

net.sourceforge.pmd.lang.java.metrics.impl.CycloMetric

All Implemented Interfaces:

JavaOperationMetric, Metric<MethodLikeNode>

public final class CycloMetric
extends AbstractJavaOperationMetric

Cyclomatic Complexity. See the documentation site.

Since:

June 2017

Author:

Clément Fournier

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CycloMetric.CycloOption	Options for CYCLO.

Constructor Summary

Constructors

Constructor	Description
CycloMetric()

Method Summary

Modifier and Type	Method	Description
static int	booleanExpressionComplexity(Node expr)	Evaluates the number of paths through a boolean expression.
double	computeFor(MethodLikeNode node, MetricOptions options)

Methods inherited from class net.sourceforge.pmd.lang.java.metrics.impl.AbstractJavaOperationMetric

supports, supports

Methods inherited from class net.sourceforge.pmd.lang.metrics.AbstractMetric

equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CycloMetric

public CycloMetric()

Method Detail

computeFor

public double computeFor(MethodLikeNode node,
                         MetricOptions options)

booleanExpressionComplexity

public static int booleanExpressionComplexity(Node expr)

Evaluates the number of paths through a boolean expression. This is the total number of && and || operators appearing in the expression. This is used in the calculation of cyclomatic and n-path complexity.

Parameters:

expr - Expression to analyse

Returns:

The number of paths through the expression