IFeatureNoDataValuedItem.java
package gov.nist.secauto.metaschema.core.metapath.item.node;
import gov.nist.secauto.metaschema.core.metapath.item.IItem;
import edu.umd.cs.findbugs.annotations.Nullable;
/**
* This feature interface represents an item that has no associated value data.
* <p>
* This will occur when an {@link IItem} represents a Metaschema definition or
* instance that is not associated with data. This is typical when constructing
* items for querying a Metaschema directly, instead of content which will
* always have data.
*/
public interface IFeatureNoDataValuedItem extends IItem {
@Override
@Nullable
default Object getValue() {
// no value
return null;
}
@Override
default boolean hasValue() {
// no value
return false;
}
}