yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/EnumSpecificationEffectiveStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 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.stmt.rfc6020.effective.type;
   9
  10 import javax.annotation.Nonnull;
  11 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  12 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  13 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.EnumSpecification;
  14 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
  15 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
  16 import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
  17 import org.opendaylight.yangtools.yang.model.util.type.EnumPairBuilder;
  18 import org.opendaylight.yangtools.yang.model.util.type.EnumerationTypeBuilder;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  20 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  21 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeclaredEffectiveStatementBase;
  22 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.UnknownEffectiveStatementImpl;
  23
  24 public final class EnumSpecificationEffectiveStatementImpl extends
  25         DeclaredEffectiveStatementBase<String, EnumSpecification> implements
  26         TypeEffectiveStatement<EnumSpecification> {
  27
  28     private final EnumTypeDefinition typeDefinition;
  29
  30     public EnumSpecificationEffectiveStatementImpl(
  31             final StmtContext<String, EnumSpecification, EffectiveStatement<String, EnumSpecification>> ctx) {
  32         super(ctx);
  33
  34         final EnumerationTypeBuilder builder = BaseTypes.enumerationTypeBuilder(ctx.getSchemaPath().get());
  35         Integer highestValue = null;
  36         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  37             if (stmt instanceof EnumEffectiveStatementImpl) {
  38                 final EnumEffectiveStatementImpl enumSubStmt = (EnumEffectiveStatementImpl) stmt;
  39
  40                 final int effectiveValue;
  41                 if (enumSubStmt.getDeclaredValue() == null) {
  42                     if (highestValue != null) {
  43                         SourceException.throwIf(highestValue == 2147483647, ctx.getStatementSourceReference(),
  44                                 "Enum '%s' must have a value statement", enumSubStmt);
  45                         effectiveValue = highestValue + 1;
  46                     } else {
  47                         effectiveValue = 0;
  48                     }
  49                 } else {
  50                     effectiveValue = enumSubStmt.getDeclaredValue();
  51                 }
  52
  53                 final EnumPairBuilder pairBuilder = EnumPairBuilder.create(enumSubStmt.getName(), effectiveValue)
  54                         .setStatus(enumSubStmt.getStatus()).setUnknownSchemaNodes(enumSubStmt.getUnknownSchemaNodes());
  55                 enumSubStmt.getDescription().ifPresent(pairBuilder::setDescription);
  56                 enumSubStmt.getReference().ifPresent(pairBuilder::setReference);
  57
  58                 final EnumPair pair = pairBuilder.build();
  59                 if (highestValue == null || highestValue < pair.getValue()) {
  60                     highestValue = pair.getValue();
  61                 }
  62
  63                 builder.addEnum(pair);
  64             }
  65             if (stmt instanceof UnknownEffectiveStatementImpl) {
  66                 builder.addUnknownSchemaNode((UnknownEffectiveStatementImpl) stmt);
  67             }
  68         }
  69
  70         typeDefinition = builder.build();
  71     }
  72
  73     @Nonnull
  74     @Override
  75     public EnumTypeDefinition getTypeDefinition() {
  76         return typeDefinition;
  77     }
  78 }