yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/deviate/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 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate;
   9
  10 import com.google.common.annotations.Beta;
  11 import org.opendaylight.yangtools.yang.model.api.DeviateKind;
  12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  13 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  14
  15 /**
  16  * Class providing necessary support for processing YANG 1.1 deviate statement.
  17  */
  18 @Beta
  19 public final class DeviateStatementRFC7950Support extends AbstractDeviateStatementSupport {
  20
  21     private static final SubstatementValidator DEVIATE_ADD_SUBSTATEMENT_VALIDATOR =
  22             SubstatementValidator.builder(YangStmtMapping.DEVIATE)
  23                 .addOptional(YangStmtMapping.CONFIG)
  24                 .addAny(YangStmtMapping.DEFAULT)
  25                 .addOptional(YangStmtMapping.MANDATORY)
  26                 .addOptional(YangStmtMapping.MAX_ELEMENTS)
  27                 .addOptional(YangStmtMapping.MIN_ELEMENTS)
  28                 .addAny(YangStmtMapping.MUST)
  29                 .addAny(YangStmtMapping.UNIQUE)
  30                 .addOptional(YangStmtMapping.UNITS)
  31                 .build();
  32
  33     private static final SubstatementValidator DEVIATE_DELETE_SUBSTATEMENT_VALIDATOR =
  34             SubstatementValidator.builder(YangStmtMapping.DEVIATE)
  35                 .addAny(YangStmtMapping.DEFAULT)
  36                 .addAny(YangStmtMapping.MUST)
  37                 .addAny(YangStmtMapping.UNIQUE)
  38                 .addOptional(YangStmtMapping.UNITS)
  39                 .build();
  40
  41     @Override
  42     protected SubstatementValidator getSubstatementValidatorForDeviate(final DeviateKind deviateKind) {
  43         switch (deviateKind) {
  44             case NOT_SUPPORTED:
  45                 return super.getSubstatementValidatorForDeviate(deviateKind);
  46             case ADD:
  47                 return DEVIATE_ADD_SUBSTATEMENT_VALIDATOR;
  48             case REPLACE:
  49                 return super.getSubstatementValidatorForDeviate(deviateKind);
  50             case DELETE:
  51                 return DEVIATE_DELETE_SUBSTATEMENT_VALIDATOR;
  52             default:
  53                 throw new IllegalStateException(String.format(
  54                         "Substatement validator for deviate %s has not been defined.", deviateKind));
  55         }
  56     }
  57 }