yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/BitsSpecificationEffectiveStatementImpl.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.BitsSpecification;
  14 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
  15 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
  16 import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
  17 import org.opendaylight.yangtools.yang.model.util.type.BitBuilder;
  18 import org.opendaylight.yangtools.yang.model.util.type.BitsTypeBuilder;
  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 BitsSpecificationEffectiveStatementImpl extends
  25         DeclaredEffectiveStatementBase<String, BitsSpecification> implements TypeEffectiveStatement<BitsSpecification> {
  26
  27     private final BitsTypeDefinition typeDefinition;
  28
  29     public BitsSpecificationEffectiveStatementImpl(
  30             final StmtContext<String, BitsSpecification, EffectiveStatement<String, BitsSpecification>> ctx) {
  31         super(ctx);
  32
  33         final BitsTypeBuilder builder = BaseTypes.bitsTypeBuilder(ctx.getSchemaPath().get());
  34         Long highestPosition = null;
  35         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  36             if (stmt instanceof BitEffectiveStatementImpl) {
  37                 final BitEffectiveStatementImpl bitSubStmt = (BitEffectiveStatementImpl) stmt;
  38
  39                 final long effectivePos;
  40                 if (bitSubStmt.getDeclaredPosition() == null) {
  41                     if (highestPosition != null) {
  42                         SourceException.throwIf(highestPosition == 4294967295L, ctx.getStatementSourceReference(),
  43                                 "Bit %s must have a position statement", bitSubStmt);
  44                         effectivePos = highestPosition + 1;
  45                     } else {
  46                         effectivePos = 0L;
  47                     }
  48                 } else {
  49                     effectivePos = bitSubStmt.getDeclaredPosition();
  50                 }
  51
  52                 final BitBuilder bitBuilder = BitBuilder.create(bitSubStmt.getPath(), effectivePos)
  53                         .setStatus(bitSubStmt.getStatus());
  54                 bitSubStmt.getDescription().ifPresent(bitBuilder::setDescription);
  55                 bitSubStmt.getReference().ifPresent(bitBuilder::setReference);
  56
  57                 final Bit bit = bitBuilder.build();
  58                 SourceException.throwIf(bit.getPosition() < 0L && bit.getPosition() > 4294967295L,
  59                         ctx.getStatementSourceReference(), "Bit %s has illegal position", bit);
  60
  61                 if (highestPosition == null || highestPosition < bit.getPosition()) {
  62                     highestPosition = bit.getPosition();
  63                 }
  64
  65                 builder.addBit(bit);
  66             }
  67             if (stmt instanceof UnknownEffectiveStatementImpl) {
  68                 builder.addUnknownSchemaNode((UnknownEffectiveStatementImpl) stmt);
  69             }
  70         }
  71
  72         typeDefinition = builder.build();
  73     }
  74
  75     @Nonnull
  76     @Override
  77     public BitsTypeDefinition getTypeDefinition() {
  78         return typeDefinition;
  79     }
  80 }