org.apache.skywalking.apm.agent.core.plugin

Enum WitnessClassFinder

java.lang.Object

java.lang.Enum<WitnessClassFinder>

org.apache.skywalking.apm.agent.core.plugin.WitnessClassFinder

All Implemented Interfaces:

Serializable, Comparable<WitnessClassFinder>

public enum WitnessClassFinder
extends Enum<WitnessClassFinder>

The WitnessClassFinder represents a pool of TypePools, each TypePool matches a ClassLoader, which helps to find the class define existed or not.

Author:

wusheng

Enum Constant Summary

Enum Constants

Enum Constant and Description
INSTANCE

Method Summary

Modifier and Type	Method and Description
boolean	exist(String witnessClass, ClassLoader classLoader)
static WitnessClassFinder	valueOf(String name) Returns the enum constant of this type with the specified name.
static WitnessClassFinder[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INSTANCE

public static final WitnessClassFinder INSTANCE

Method Detail

values

public static WitnessClassFinder[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (WitnessClassFinder c : WitnessClassFinder.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static WitnessClassFinder valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

exist

public boolean exist(String witnessClass,
                     ClassLoader classLoader)

Parameters:

witnessClass -

classLoader - for finding the witnessClass

Returns:

true, if the given witnessClass exists, through the given classLoader.