Module java.base

Package java.lang.classfile^PREVIEW

Interface FieldBuilder

All Superinterfaces:

ClassFileBuilderPREVIEW<FieldElementPREVIEW,FieldBuilderPREVIEW>, Consumer<FieldElementPREVIEW>

public sealed interface FieldBuilder
extends ClassFileBuilderPREVIEW<FieldElementPREVIEW,FieldBuilderPREVIEW>

FieldBuilder is a preview API of the Java platform.

Programs can only use FieldBuilder when preview features are enabled.

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

A builder for fields. Builders are not created directly; they are passed to handlers by methods such as ClassBuilder.withField(Utf8Entry, Utf8Entry, Consumer)^PREVIEW or to field transforms. The elements of a field can be specified abstractly (by passing a FieldElement^PREVIEW to ClassFileBuilder.with(ClassFileElement)^PREVIEW or concretely by calling the various withXxx methods.

Since:

22

See Also:

• FieldTransform^PREVIEW

Method Summary

Modifier and Type	Method	Description
Optional<FieldModelPREVIEW>	original()	Returns the FieldModelPREVIEW representing the field being transformed, if this field builder represents the transformation of some FieldModelPREVIEW.
default FieldBuilderPREVIEW	withFlags(int flags)	Sets the field access flags.
default FieldBuilderPREVIEW	withFlags(AccessFlag... flags)	Sets the field access flags.

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

accept, canWriteDirect, constantPool, transform, with

Methods declared in interface java.util.function.Consumer

andThen

Method Details

withFlags

default FieldBuilderPREVIEW withFlags(int flags)

Sets the field access flags.

Parameters:

flags - the access flags, as a bit mask

Returns:

this builder

withFlags

default FieldBuilderPREVIEW withFlags(AccessFlag... flags)

Sets the field access flags.

Parameters:

flags - the access flags, as a bit mask

Returns:

this builder

original

Optional<FieldModelPREVIEW> original()

Returns the FieldModel^PREVIEW representing the field being transformed, if this field builder represents the transformation of some FieldModel^PREVIEW.

Returns:

the FieldModel^PREVIEW representing the field being transformed, if this field builder represents the transformation of some FieldModel^PREVIEW