InheritanceUtils

public class org.apache.commons.lang3.reflect.InheritanceUtils

Utility methods focusing on inheritance.

Since:

3.2

Constructors

InheritanceUtils()

Deprecated. InheritanceUtils instances should NOT be constructed in standard programming.

@Deprecated public InheritanceUtils()

Deprecated: TODO Make private in 4.0.

InheritanceUtils instances should NOT be constructed in standard programming. Instead, the class should be used as MethodUtils.getAccessibleMethod(method).

This constructor is public to permit tools that require a JavaBean instance to operate.

Methods

distance(Class, Class)

Returns the number of inheritance hops between two classes.

public static int distance(Class<?> child, Class<?> parent)

Returns the number of inheritance hops between two classes.

Parameters:

• child – The child class, may be null

• parent – The parent class, may be null

Returns:

The number of generations between the child and parent; 0 if the same class; -1 if the classes are not related as child and parent (includes where either class is null)

Since:

3.2