co.cask.cdap.internal.asm

Class Classes

java.lang.Object

co.cask.cdap.internal.asm.Classes

public final class Classes
extends Object

A util class to help on class inspections and manipulations through bytecode.

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	isSubTypeOf(String className, String superTypeName, com.google.common.base.Function<String,URL> resourceProvider, Map<String,Boolean> cache) Checks if the given class extends or implements a super type.

Methods inherited from class java.lang.Object

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

Method Detail

isSubTypeOf

public static boolean isSubTypeOf(String className,
                  String superTypeName,
                  com.google.common.base.Function<String,URL> resourceProvider,
                  Map<String,Boolean> cache)
                           throws IOException

Checks if the given class extends or implements a super type.

Parameters:

className - name of the class to check

superTypeName - name of the super type

resourceProvider - a Function to provide URL of a class from the class name

cache - a cache for memorizing previous decision for classes of the same super type

Returns:

true if the given class name is a sub-class of the given super type

Throws:

IOException - if failed to read class information