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;
16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
17 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
18 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Descendant;
20 public interface RefineStatement extends ConfigStatementAwareDeclaredStatement<Descendant>,
21 DocumentedDeclaredStatement<Descendant>, IfFeatureAwareDeclaredStatement<Descendant>,
22 MandatoryStatementAwareDeclaredStatement<Descendant>,
23 MustStatementAwareDeclaredStatement<Descendant> {
25 default StatementDefinition statementDefinition() {
26 return YangStmtMapping.REFINE;
29 default @NonNull String getTargetNode() {
30 // FIXME: YANGTOOLS-908: verifyNotNull() should not be needed here
31 return verifyNotNull(rawArgument());
34 default @NonNull Collection<? extends DefaultStatement> getDefaults() {
35 return declaredSubstatements(DefaultStatement.class);
38 default @Nullable PresenceStatement getPresence() {
39 final Optional<PresenceStatement> opt = findFirstDeclaredSubstatement(PresenceStatement.class);
40 return opt.isPresent() ? opt.get() : null;
43 default @Nullable MinElementsStatement getMinElements() {
44 final Optional<MinElementsStatement> opt = findFirstDeclaredSubstatement(MinElementsStatement.class);
45 return opt.isPresent() ? opt.get() : null;
48 default @Nullable MaxElementsStatement getMaxElements() {
49 final Optional<MaxElementsStatement> opt = findFirstDeclaredSubstatement(MaxElementsStatement.class);
50 return opt.isPresent() ? opt.get() : null;