Package io.opentelemetry.javaagent.tooling

Class ModuleOpener

java.lang.Object

io.opentelemetry.javaagent.tooling.ModuleOpener

public class ModuleOpener
extends Object

Module opener provides ability to open JPMS modules and allows instrumentation classloader to access module contents without requiring JVM arguments modification.
Usage of this class must be guarded with an net.bytebuddy.utility.JavaModule#isSupported check as it's compiled for Java 9+, otherwise an UnsupportedClassVersionError will be thrown for java 8.

Method Summary

Modifier and Type	Method	Description
static void	open(Instrumentation instrumentation, net.bytebuddy.utility.JavaModule targetModule, ClassLoader openTo, Collection<String> packagesToOpen)	Opens JPMS module to a class loader unnamed module

Methods inherited from class java.lang.Object

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

Method Details

open

public static void open(Instrumentation instrumentation,
 net.bytebuddy.utility.JavaModule targetModule,
 @Nullable
 ClassLoader openTo,
 Collection<String> packagesToOpen)

Opens JPMS module to a class loader unnamed module

Parameters:

targetModule - target module

openTo - class loader to open module for, null to use the unnamed module of bootstrap classloader.

packagesToOpen - packages to open