yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc7950/LeafrefSpecificationRfc7950Support.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.yangtools.yang.parser.stmt.rfc7950;
  10
  11 import com.google.common.annotations.Beta;
  12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  13 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  14 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.LeafrefSpecificationImpl;
  15
  16 /**
  17  * Class providing necessary support for processing YANG 1.1 leafref statement.
  18  */
  19 @Beta
  20 public class LeafrefSpecificationRfc7950Support extends LeafrefSpecificationImpl.Definition {
  21     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  22             .TYPE)
  23             .addMandatory(YangStmtMapping.PATH)
  24             .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  25             .build();
  26
  27     @Override
  28     protected SubstatementValidator getSubstatementValidator() {
  29         return SUBSTATEMENT_VALIDATOR;
  30     }
  31
  32 }