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 javax.annotation.Nonnull;
12 import javax.annotation.Nullable;
13 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
15 public interface PatternStatement extends ConstrainedDocumentedDeclaredStatement<PatternConstraint> {
16 default @Nonnull PatternConstraint getValue() {
21 * Return a modifier statement, if present. In RFC6020 semantics, there are no modifiers and this methods always
24 * @return modifier statement, nul if not present.
26 default @Nullable ModifierStatement getModifierStatement() {
27 final Optional<ModifierStatement> opt = findFirstDeclaredSubstatement(ModifierStatement.class);
28 return opt.isPresent() ? opt.get() : null;