2 * Copyright (c) 2016 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;
10 import com.google.common.annotations.Beta;
11 import java.util.Collection;
12 import javax.annotation.Nonnull;
13 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Relative;
16 * Interface describing YANG 'unique' constraint.
19 * The 'unique' constraint specifies that the combined values of all the leaf
20 * instances specified in the argument string, including leafs with default
21 * values, MUST be unique within all list entry instances in which all
22 * referenced leafs exist (for more information see RFC-6020 section 7.8.3.).
25 public interface UniqueConstraint {
26 @Nonnull Collection<Relative> getTag();