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.Nullable;
12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
13 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
15 public interface PatternStatement extends ConstrainedDocumentedDeclaredStatement<PatternExpression> {
17 default StatementDefinition statementDefinition() {
18 return YangStmtMapping.PATTERN;
22 * Return a modifier statement, if present. In RFC6020 semantics, there are no modifiers and this methods always
25 * @return modifier statement, null if not present.
27 default @Nullable ModifierStatement getModifierStatement() {
28 final Optional<ModifierStatement> opt = findFirstDeclaredSubstatement(ModifierStatement.class);
29 return opt.isPresent() ? opt.get() : null;