yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc7950/DeviateStatementRfc7950Support.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.DeviateKind;
  13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  14 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  15 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.DeviateStatementImpl;
  16
  17 /**
  18  * Class providing necessary support for processing YANG 1.1 deviate statement.
  19  */
  20 @Beta
  21 public class DeviateStatementRfc7950Support extends DeviateStatementImpl.Definition {
  22
  23     private static final SubstatementValidator DEVIATE_ADD_SUBSTATEMENT_VALIDATOR =
  24             SubstatementValidator.builder(YangStmtMapping.DEVIATE)
  25                 .addOptional(YangStmtMapping.CONFIG)
  26                 .addAny(YangStmtMapping.DEFAULT)
  27                 .addOptional(YangStmtMapping.MANDATORY)
  28                 .addOptional(YangStmtMapping.MAX_ELEMENTS)
  29                 .addOptional(YangStmtMapping.MIN_ELEMENTS)
  30                 .addAny(YangStmtMapping.MUST)
  31                 .addAny(YangStmtMapping.UNIQUE)
  32                 .addOptional(YangStmtMapping.UNITS)
  33                 .build();
  34
  35     private static final SubstatementValidator DEVIATE_DELETE_SUBSTATEMENT_VALIDATOR =
  36             SubstatementValidator.builder(YangStmtMapping.DEVIATE)
  37                 .addAny(YangStmtMapping.DEFAULT)
  38                 .addAny(YangStmtMapping.MUST)
  39                 .addAny(YangStmtMapping.UNIQUE)
  40                 .addOptional(YangStmtMapping.UNITS)
  41                 .build();
  42
  43     @Override
  44     protected SubstatementValidator getSubstatementValidatorForDeviate(final DeviateKind deviateKind) {
  45         switch (deviateKind) {
  46             case NOT_SUPPORTED:
  47                 return super.getSubstatementValidatorForDeviate(deviateKind);
  48             case ADD:
  49                 return DEVIATE_ADD_SUBSTATEMENT_VALIDATOR;
  50             case REPLACE:
  51                 return super.getSubstatementValidatorForDeviate(deviateKind);
  52             case DELETE:
  53                 return DEVIATE_DELETE_SUBSTATEMENT_VALIDATOR;
  54             default:
  55                 throw new IllegalStateException(String.format(
  56                         "Substatement validator for deviate %s has not been defined.", deviateKind));
  57         }
  58     }
  59 }