yang/yang-parser-rfc7950/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.model.parser.api.YangParserConfiguration;
  12 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  13
  14 /**
  15  * Class providing necessary support for processing YANG 1.1 leafref statement.
  16  */
  17 final class LeafrefSpecificationRFC7950Support extends AbstractLeafrefSpecificationSupport {
  18     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
  19         SubstatementValidator.builder(YangStmtMapping.TYPE)
  20             .addMandatory(YangStmtMapping.PATH)
  21             .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  22             .build();
  23
  24     LeafrefSpecificationRFC7950Support(final YangParserConfiguration config) {
  25         super(config);
  26     }
  27
  28     @Override
  29     protected SubstatementValidator getSubstatementValidator() {
  30         return SUBSTATEMENT_VALIDATOR;
  31     }
  32
  33 }