net.bytebuddy.dynamic.loading

Interface ClassInjector.UsingLookup.Dispatcher

All Known Implementing Classes:

ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm, ClassInjector.UsingLookup.Dispatcher.ForLegacyVm

Enclosing class:

ClassInjector.UsingLookup

protected static interface ClassInjector.UsingLookup.Dispatcher

A dispatcher for interacting with a method handle lookup.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ClassInjector.UsingLookup.Dispatcher.Creator An action for defining a dispatcher.
static class	ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm A dispatcher for a Java 9 capable VM that supports class definition via method handles.
static class	ClassInjector.UsingLookup.Dispatcher.ForLegacyVm A dispatcher for a legacy VM that does not support class definition via method handles.

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	defineClass(java.lang.Object lookup, byte[] binaryRepresentation) Defines a class.
java.lang.Object	dropLookupMode(java.lang.Object lookup, int mode) Drops a given lookup mode from a lookup instance.
boolean	isAlive() Indicates if this dispatcher is available on the current VM.
int	lookupModes(java.lang.Object lookup) Returns a lookup objects lookup types.
java.lang.Class<?>	lookupType(java.lang.Object lookup) Returns the lookup type for a given method handle lookup.
java.lang.Object	resolve(java.lang.Object lookup, java.lang.Class<?> type) Resolves the supplied lookup instance's access scope for the supplied type.

Method Detail

isAlive

boolean isAlive()

Indicates if this dispatcher is available on the current VM.

Returns:

true if this dispatcher is alive.

lookupType

java.lang.Class<?> lookupType(java.lang.Object lookup)

Returns the lookup type for a given method handle lookup.

Parameters:

lookup - The lookup instance.

Returns:

The lookup type.

lookupModes

int lookupModes(java.lang.Object lookup)

Returns a lookup objects lookup types.

Parameters:

lookup - The lookup instance.

Returns:

The modifiers indicating the instance's lookup modes.

dropLookupMode

java.lang.Object dropLookupMode(java.lang.Object lookup,
                                int mode)

Drops a given lookup mode from a lookup instance.

Parameters:

lookup - The lookup instance.

mode - The modes to drop.

Returns:

A new lookup instance where the modes were dropped.

resolve

java.lang.Object resolve(java.lang.Object lookup,
                         java.lang.Class<?> type)

Resolves the supplied lookup instance's access scope for the supplied type.

Parameters:

lookup - The lookup to use.

type - The type to resolve the scope for.

Returns:

An appropriate lookup instance.

defineClass

java.lang.Class<?> defineClass(java.lang.Object lookup,
                               byte[] binaryRepresentation)

Defines a class.

Parameters:

lookup - The java.lang.invoke.MethodHandles$Lookup instance to use.

binaryRepresentation - The defined class's binary representation.

Returns:

The defined class.