2 * Copyright (c) 2017 Pantheon Technologies, 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;
10 import java.util.Collection;
11 import org.eclipse.jdt.annotation.NonNull;
14 * Mix-in interface for nodes which can define must constraints.
16 * @author Robert Varga
18 public interface MustConstraintAware {
20 * Specifies the rules which the node which contains {@code must} YANG substatement has to match.
22 * @return collection of {@code MustDefinition} (XPath) instances which represents the concrete data constraints
24 Collection<? extends @NonNull MustDefinition> getMustConstraints();