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package io.github.dmlloyd.classfile.attribute;
import java.util.List;
import io.github.dmlloyd.classfile.Attribute;
import io.github.dmlloyd.classfile.ClassElement;
import io.github.dmlloyd.classfile.impl.BoundAttribute;
import io.github.dmlloyd.classfile.impl.UnboundAttribute;
import io.github.dmlloyd.classfile.extras.PreviewFeature;
/**
* Models the {@code Record} attribute (JVMS {@jvms 4.7.30}), which can
* appear on classes to indicate that this class is a record class.
* Delivered as a {@link io.github.dmlloyd.classfile.ClassElement} when
* traversing the elements of a {@link io.github.dmlloyd.classfile.ClassModel}.
*
* 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.
*
* The attribute was introduced in the Java SE Platform version 16.
*
* @since 22
*/
@PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API)
public sealed interface RecordAttribute extends Attribute, ClassElement
permits BoundAttribute.BoundRecordAttribute, UnboundAttribute.UnboundRecordAttribute {
/**
* {@return the components of this record class}
*/
List components();
/**
* {@return a {@code Record} attribute}
* @param components the record components
*/
static RecordAttribute of(List components) {
return new UnboundAttribute.UnboundRecordAttribute(components);
}
/**
* {@return a {@code Record} attribute}
* @param components the record components
*/
static RecordAttribute of(RecordComponentInfo... components) {
return of(List.of(components));
}
}