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 class`	`ByteBuddyAgent.AttachmentProvider.Accessor.Unavailable`	A canonical implementation of an unavailable accessor.

Field Summary

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

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ByteBuddyAgent.AttachmentProvider.Accessor.ExternalAttachment`	`getExternalAttachment()`	Returns a description of a virtual machine class for an external attachment.
`java.lang.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 Detail
  - VIRTUAL_MACHINE_TYPE_NAME
```
static final java.lang.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 java.lang.String VIRTUAL_MACHINE_TYPE_NAME_J9
```
    The name of the VirtualMachine class on IBM J9 VMs.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - 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
```
java.lang.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.