Package net.bytebuddy.agent

Interface ByteBuddyAgent.AttachmentProvider.Accessor

All Known Implementing Classes:

ByteBuddyAgent.AttachmentProvider.Accessor.Simple, ByteBuddyAgent.AttachmentProvider.Accessor.Simple.WithDirectAttachment, ByteBuddyAgent.AttachmentProvider.Accessor.Simple.WithExternalAttachment, ByteBuddyAgent.AttachmentProvider.Accessor.Unavailable

Enclosing interface:

ByteBuddyAgent.AttachmentProvider

public static interface ByteBuddyAgent.AttachmentProvider.Accessor

An accessor for a JVM's attachment API.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ByteBuddyAgent.AttachmentProvider.Accessor.ExternalAttachment	Describes an external attachment to a Java virtual machine.
static class	ByteBuddyAgent.AttachmentProvider.Accessor.Simple	A simple implementation of an accessible accessor.
static enum	ByteBuddyAgent.AttachmentProvider.Accessor.Unavailable	A canonical implementation of an unavailable accessor.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	VIRTUAL_MACHINE_TYPE_NAME	The name of the VirtualMachine class on any OpenJDK or Oracle JDK implementation.
static final String	VIRTUAL_MACHINE_TYPE_NAME_J9	The name of the VirtualMachine class on IBM J9 VMs.

Method Summary

Modifier and Type	Method	Description
ByteBuddyAgent.AttachmentProvider.Accessor.ExternalAttachment	getExternalAttachment()	Returns a description of a virtual machine class for an external attachment.
Class<?>	getVirtualMachineType()	Returns a VirtualMachine class.
boolean	isAvailable()	Determines if this accessor is applicable for the currently running JVM.
boolean	isExternalAttachmentRequired()	Returns true if this accessor prohibits attachment to the same virtual machine in Java 9 and later.

Field Details

VIRTUAL_MACHINE_TYPE_NAME

static final String VIRTUAL_MACHINE_TYPE_NAME

The name of the VirtualMachine class on any OpenJDK or Oracle JDK implementation.

See Also:

• Constant Field Values

VIRTUAL_MACHINE_TYPE_NAME_J9

static final String VIRTUAL_MACHINE_TYPE_NAME_J9

The name of the VirtualMachine class on IBM J9 VMs.

See Also:

• Constant Field Values

Method Details

isAvailable

boolean isAvailable()

Determines if this accessor is applicable for the currently running JVM.

Returns:

true if this accessor is available.

isExternalAttachmentRequired

boolean isExternalAttachmentRequired()

Returns true if this accessor prohibits attachment to the same virtual machine in Java 9 and later.

Returns:

true if this accessor prohibits attachment to the same virtual machine in Java 9 and later.

getVirtualMachineType

Class<?> getVirtualMachineType()

Returns a VirtualMachine class. This method must only be called for available accessors.

Returns:

The virtual machine type.

getExternalAttachment

ByteBuddyAgent.AttachmentProvider.Accessor.ExternalAttachment getExternalAttachment()

Returns a description of a virtual machine class for an external attachment.

Returns:

A description of the external attachment.