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 static com.google.common.base.Verify.verifyNotNull;
12 import java.util.Collection;
13 import java.util.Optional;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.eclipse.jdt.annotation.Nullable;
17 public interface RefineStatement extends ConfigStatementAwareDeclaredStatement<SchemaNodeIdentifier>,
18 DocumentedDeclaredStatement<SchemaNodeIdentifier>, IfFeatureAwareDeclaredStatement<SchemaNodeIdentifier>,
19 MandatoryStatementAwareDeclaredStatement<SchemaNodeIdentifier>,
20 MustStatementAwareDeclaredStatement<SchemaNodeIdentifier> {
21 default @NonNull String getTargetNode() {
22 // FIXME: YANGTOOLS-908: verifyNotNull() should not be needed here
23 return verifyNotNull(rawArgument());
26 default @NonNull Collection<? extends DefaultStatement> getDefaults() {
27 return declaredSubstatements(DefaultStatement.class);
30 default @Nullable PresenceStatement getPresence() {
31 final Optional<PresenceStatement> opt = findFirstDeclaredSubstatement(PresenceStatement.class);
32 return opt.isPresent() ? opt.get() : null;
35 default @Nullable MinElementsStatement getMinElements() {
36 final Optional<MinElementsStatement> opt = findFirstDeclaredSubstatement(MinElementsStatement.class);
37 return opt.isPresent() ? opt.get() : null;
40 default @Nullable MaxElementsStatement getMaxElements() {
41 final Optional<MaxElementsStatement> opt = findFirstDeclaredSubstatement(MaxElementsStatement.class);
42 return opt.isPresent() ? opt.get() : null;