Module java.base

Package java.lang.classfile.attribute^PREVIEW

Interface CompilationIDAttribute

All Superinterfaces:

AttributePREVIEW<CompilationIDAttributePREVIEW>, ClassElementPREVIEW, ClassFileElementPREVIEW, WritableElementPREVIEW<CompilationIDAttributePREVIEW>

public sealed interface CompilationIDAttribute
extends AttributePREVIEW<CompilationIDAttributePREVIEW>, ClassElementPREVIEW

CompilationIDAttribute is a preview API of the Java platform.

Programs can only use CompilationIDAttribute 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 CompilationID attribute (@@@ need reference), which can appear on classes and records the compilation time of the class. Delivered as a ClassElement^PREVIEW when traversing the elements of a ClassModel^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
Utf8EntryPREVIEW	compilationId()	Returns the compilation ID.
static CompilationIDAttributePREVIEW	of(Utf8EntryPREVIEW id)	Returns a CompilationID attribute.
static CompilationIDAttributePREVIEW	of(String id)	Returns a CompilationID attribute.

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

attributeMapper, attributeName

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

writeTo

Method Details

compilationId

Utf8EntryPREVIEW compilationId()

Returns the compilation ID. The compilation ID is the value of System.currentTimeMillis() when the classfile is generated.

Returns:

the compilation ID

of

static CompilationIDAttributePREVIEW of(Utf8EntryPREVIEW id)

Returns a CompilationID attribute.

Parameters:

id - the compilation ID

Returns:

a CompilationID attribute

of

static CompilationIDAttributePREVIEW of(String id)

Returns a CompilationID attribute.

Parameters:

id - the compilation ID

Returns:

a CompilationID attribute