2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.api.stmt;
10 import java.util.Collection;
11 import java.util.Optional;
12 import javax.annotation.Nonnull;
13 import javax.annotation.Nullable;
15 public interface RefineStatement extends ConfigStatementAwareDeclaredStatement<SchemaNodeIdentifier>,
16 DocumentedDeclaredStatement<SchemaNodeIdentifier>, IfFeatureAwareDeclaredStatement<SchemaNodeIdentifier>,
17 MandatoryStatementAwareDeclaredStatement<SchemaNodeIdentifier>,
18 MustStatementAwareDeclaredStatement<SchemaNodeIdentifier> {
19 default @Nonnull String getTargetNode() {
23 default @Nonnull Collection<? extends DefaultStatement> getDefaults() {
24 return declaredSubstatements(DefaultStatement.class);
27 default @Nullable PresenceStatement getPresence() {
28 final Optional<PresenceStatement> opt = findFirstDeclaredSubstatement(PresenceStatement.class);
29 return opt.isPresent() ? opt.get() : null;
32 default @Nullable MinElementsStatement getMinElements() {
33 final Optional<MinElementsStatement> opt = findFirstDeclaredSubstatement(MinElementsStatement.class);
34 return opt.isPresent() ? opt.get() : null;
37 default @Nullable MaxElementsStatement getMaxElements() {
38 final Optional<MaxElementsStatement> opt = findFirstDeclaredSubstatement(MaxElementsStatement.class);
39 return opt.isPresent() ? opt.get() : null;