2 * Copyright (c) 2018 Pantheon Technoglogies, s.r.o. 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 com.google.common.annotations.Beta;
11 import java.util.Optional;
12 import javax.annotation.Nullable;
15 public interface WhenStatementAwareDeclaredStatement<A> extends IfFeatureAwareDeclaredStatement<A>,
16 ConditionalDataDefinition {
18 default @Nullable WhenStatement getWhenStatement() {
19 final Optional<WhenStatement> opt = findFirstDeclaredSubstatement(WhenStatement.class);
20 return opt.isPresent() ? opt.get() : null;