org.graalvm.compiler.nodes.memory

Enum OnHeapMemoryAccess.BarrierType

java.lang.Object

java.lang.Enum<OnHeapMemoryAccess.BarrierType>

org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType

All Implemented Interfaces:

Serializable, Comparable<OnHeapMemoryAccess.BarrierType>

Enclosing interface:

OnHeapMemoryAccess

public static enum OnHeapMemoryAccess.BarrierType
extends Enum<OnHeapMemoryAccess.BarrierType>

The types of (write/read) barriers attached to stores.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ARRAY Array object access.
FIELD Field object access.
NONE Primitive access which do not necessitate barriers.
PHANTOM_FIELD Phantom field access (e.g.
UNKNOWN Unknown (aka field or array) object access.
WEAK_FIELD Weak field access (e.g.

Method Summary

Modifier and Type	Method and Description
static OnHeapMemoryAccess.BarrierType	valueOf(String name) Returns the enum constant of this type with the specified name.
static OnHeapMemoryAccess.BarrierType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NONE

public static final OnHeapMemoryAccess.BarrierType NONE

Primitive access which do not necessitate barriers.

ARRAY

public static final OnHeapMemoryAccess.BarrierType ARRAY

Array object access.

FIELD

public static final OnHeapMemoryAccess.BarrierType FIELD

Field object access.

UNKNOWN

public static final OnHeapMemoryAccess.BarrierType UNKNOWN

Unknown (aka field or array) object access.

WEAK_FIELD

public static final OnHeapMemoryAccess.BarrierType WEAK_FIELD

Weak field access (e.g. Hotspot's Reference.referent field).

PHANTOM_FIELD

public static final OnHeapMemoryAccess.BarrierType PHANTOM_FIELD

Phantom field access (e.g. Hotspot's Reference.referent field of a PhantomReference instance).

Method Detail

values

public static OnHeapMemoryAccess.BarrierType[] values()

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static OnHeapMemoryAccess.BarrierType valueOf(String name)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null