yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/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 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type;
   9
  10 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  11 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  12
  13 /**
  14  * Class providing necessary support for processing YANG 1.1 leafref statement.
  15  */
  16 final class LeafrefSpecificationRFC7950Support extends AbstractLeafrefSpecificationSupport {
  17     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  18             .TYPE)
  19             .addMandatory(YangStmtMapping.PATH)
  20             .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  21             .build();
  22
  23     @Override
  24     protected SubstatementValidator getSubstatementValidator() {
  25         return SUBSTATEMENT_VALIDATOR;
  26     }
  27
  28 }