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.Optional;
11 import org.eclipse.jdt.annotation.NonNull;
12 import org.eclipse.jdt.annotation.Nullable;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
16 public interface ImportStatement extends DocumentedDeclaredStatement<String> {
18 default StatementDefinition statementDefinition() {
19 return YangStmtMapping.IMPORT;
22 default @NonNull PrefixStatement getPrefix() {
23 return findFirstDeclaredSubstatement(PrefixStatement.class).get();
26 default @Nullable RevisionDateStatement getRevisionDate() {
27 final Optional<RevisionDateStatement> opt = findFirstDeclaredSubstatement(RevisionDateStatement.class);
28 return opt.isPresent() ? opt.get() : null;