Module java.base

Package java.lang.classfile.attribute^PREVIEW

Interface ConstantValueAttribute

All Superinterfaces:

AttributePREVIEW<ConstantValueAttributePREVIEW>, ClassFileElementPREVIEW, FieldElementPREVIEW, WritableElementPREVIEW<ConstantValueAttributePREVIEW>

public sealed interface ConstantValueAttribute
extends AttributePREVIEW<ConstantValueAttributePREVIEW>, FieldElementPREVIEW

ConstantValueAttribute is a preview API of the Java platform.

Programs can only use ConstantValueAttribute when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Models the ConstantValue attribute 4.7.2, which can appear on fields and indicates that the field's value is a constant. Delivered as a FieldElement^PREVIEW when traversing the elements of a FieldModel^PREVIEW.

The attribute does not permit multiple instances in a given location. Subsequent occurrence of the attribute takes precedence during the attributed element build or transformation.

Since:

22

Method Summary

Modifier and Type	Method	Description
ConstantValueEntryPREVIEW	constant()	Returns the constant value of the field.
static ConstantValueAttributePREVIEW	of(ConstantValueEntryPREVIEW value)	Returns a ConstantValue attribute.
static ConstantValueAttributePREVIEW	of(ConstantDesc value)	Returns a ConstantValue attribute.

Methods declared in interface java.lang.classfile.Attribute^PREVIEW

attributeMapper, attributeName

Methods declared in interface java.lang.classfile.WritableElement^PREVIEW

writeTo

Method Details

constant

ConstantValueEntryPREVIEW constant()

Returns the constant value of the field.

Returns:

the constant value of the field

of

static ConstantValueAttributePREVIEW of(ConstantValueEntryPREVIEW value)

Returns a ConstantValue attribute.

Parameters:

value - the constant value

Returns:

a ConstantValue attribute

of

static ConstantValueAttributePREVIEW of(ConstantDesc value)

Returns a ConstantValue attribute.

Parameters:

value - the constant value

Returns:

a ConstantValue attribute