import java.util.Collections;
import java.util.List;
+import org.opendaylight.yangtools.concepts.Immutable;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.api.Status;
import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
-public final class EmptyType implements EmptyTypeDefinition {
- private static EmptyType instance;
- private static final QName NAME = BaseTypes.constructQName("empty");
- private static final SchemaPath PATH = new SchemaPath(Collections.singletonList(NAME), true);
+public final class EmptyType implements EmptyTypeDefinition, Immutable {
+ private static final EmptyType INSTANCE = new EmptyType();
+ private static final QName NAME = BaseTypes.EMPTY_QNAME;
+ private static final SchemaPath PATH = SchemaPath.create(Collections.singletonList(NAME), true);
private static final String DESCRIPTION = "The empty built-in type represents a leaf that does not have any value, it conveys information by its presence or absence.";
private static final String REFERENCE = "https://tools.ietf.org/html/rfc6020#page-131";
}
public static EmptyType getInstance() {
- if (instance == null) {
- instance = new EmptyType();
- }
- return instance;
+ return INSTANCE;
}
@Override