Interface CompilationIDAttribute

All Superinterfaces:: Attribute<CompilationIDAttribute>, ClassElement, ClassFileElement

public sealed interface CompilationIDAttribute extends Attribute<CompilationIDAttribute>, ClassElement

Models the CompilationID attribute, which records the compilation time of the class file.

This attribute only appears on classes, and does not permit multiple instances in a class. It has a data dependency on the constant pool.

This attribute is not predefined in the Java SE Platform. This is a JDK-specific nonstandard attribute produced by the reference implementation of the system Java compiler, defined by the jdk.compiler module.

Since:

See Also:

Method Summary

Modifier and Type	Method	Description
`Utf8Entry`	`compilationId()`	Returns the compilation ID.
`static CompilationIDAttribute`	`of(Utf8Entry id)`	Returns a `CompilationID` attribute.
`static CompilationIDAttribute`	`of(String id)`	Returns a `CompilationID` attribute.

Methods declared in interface Attribute

attributeMapper, attributeName

Method Details

compilationId

Utf8Entry compilationId()

Returns the compilation ID. The compilation ID is the string value of System.currentTimeMillis() when the class file is generated.

Returns:: the compilation ID

of

static CompilationIDAttribute of(Utf8Entry id)

Returns a CompilationID attribute.

Parameters:: id - the compilation ID
Returns:: a CompilationID attribute

of

static CompilationIDAttribute of(String id)

Returns a CompilationID attribute.

Parameters:: id - the compilation ID
Returns:: a CompilationID attribute

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https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/lang/classfile/attribute/CompilationIDAttribute.html