Package org.jboss.byteman.jigsaw

Class JigsawAccessEnabler

java.lang.Object

org.jboss.byteman.jigsaw.JigsawAccessEnabler

All Implemented Interfaces:

AccessEnabler

public class JigsawAccessEnabler
extends Object
implements AccessEnabler

Implementation of AccessEnabler for use in a Jigsaw enabled JDK runtime n.b. this class is only exemplary and must not be compiled into the Byteman jar. It is supposed to be generated at runtime and installed by the classloader for the org.jboss.byteman.jigsaw module created by the LayerFactory.

Field Summary

Fields

Modifier and Type	Field	Description
boolean	DEBUG	flag to allow debug trace to be generated

Constructor Summary

Constructors

Constructor	Description
JigsawAccessEnabler(Instrumentation inst)	create an AccessEnabler that is capable of ensuring access when running inside a Jigsaw enabled JDK.

Method Summary

Modifier and Type	Method	Description
AccessibleConstructorInvoker	createConstructorInvoker(Constructor constructor)
AccessibleFieldGetter	createFieldGetter(Field field)
AccessibleFieldSetter	createFieldSetter(Field field)
AccessibleMethodInvoker	createMethodInvoker(Method method)
void	ensureAccess(AccessibleObject accessible)	ensure that accessible can be accessed using reflection or a method handle
boolean	requiresAccess(Class<?> klazz)	test whether reference to the class from a classpath class requires the use of reflection or a method handle and possibly also module jiggery-pokery.
boolean	requiresAccess(AccessibleObject accessible)	test whether access to the accessible from a classpath class requires the use of reflection or a method handle and possibly also module jiggery-pokery.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public boolean DEBUG

flag to allow debug trace to be generated

Constructor Detail

JigsawAccessEnabler

public JigsawAccessEnabler(Instrumentation inst)

create an AccessEnabler that is capable of ensuring access when running inside a Jigsaw enabled JDK. This constructor throws an exception if it is not provided with a non-null Instrumentation instance as argument, effectively limiting the use of this class to JVMTI agents.

Parameters:

inst - the instrumentation instance we need to use to enable access

Method Detail

requiresAccess

public boolean requiresAccess(Class<?> klazz)

test whether reference to the class from a classpath class requires the use of reflection or a method handle and possibly also module jiggery-pokery.

Specified by:

requiresAccess in interface AccessEnabler

Parameters:

klazz - the class to be checked

Returns:

true if reference to the class from a classpath class requires the use of reflection or a method handle and possibly module jiggery-pokery otherwise false.

requiresAccess

public boolean requiresAccess(AccessibleObject accessible)

Description copied from interface: AccessEnabler

test whether access to the accessible from a classpath class requires the use of reflection or a method handle and possibly also module jiggery-pokery.

Specified by:

requiresAccess in interface AccessEnabler

Parameters:

accessible - this must be a Member

Returns:

true if access requires reflection or a method handle and possibly also module jiggery-pokery otherwise false.

ensureAccess

public void ensureAccess(AccessibleObject accessible)

ensure that accessible can be accessed using reflection or a method handle

Specified by:

ensureAccess in interface AccessEnabler

Parameters:

accessible - this must be a Member

createMethodInvoker

public AccessibleMethodInvoker createMethodInvoker(Method method)

Specified by:

createMethodInvoker in interface AccessEnabler

createConstructorInvoker

public AccessibleConstructorInvoker createConstructorInvoker(Constructor constructor)

Specified by:

createConstructorInvoker in interface AccessEnabler

createFieldGetter

public AccessibleFieldGetter createFieldGetter(Field field)

Specified by:

createFieldGetter in interface AccessEnabler

createFieldSetter

public AccessibleFieldSetter createFieldSetter(Field field)

Specified by:

createFieldSetter in interface AccessEnabler