yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/InstanceIdentifierSpecificationSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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 com.google.common.collect.ImmutableList;
  11 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  12 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.RequireInstanceEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.InstanceIdentifierSpecification;
  16 import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
  17 import org.opendaylight.yangtools.yang.model.util.type.InstanceIdentifierTypeBuilder;
  18 import org.opendaylight.yangtools.yang.model.util.type.RestrictedTypes;
  19 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  22
  23 final class InstanceIdentifierSpecificationSupport extends BaseStatementSupport<String,
  24         InstanceIdentifierSpecification, EffectiveStatement<String, InstanceIdentifierSpecification>> {
  25     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  26         YangStmtMapping.TYPE)
  27         .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  28         .build();
  29
  30     InstanceIdentifierSpecificationSupport() {
  31         super(YangStmtMapping.TYPE);
  32     }
  33
  34     @Override
  35     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  36         return value;
  37     }
  38
  39     @Override
  40     protected SubstatementValidator getSubstatementValidator() {
  41         return SUBSTATEMENT_VALIDATOR;
  42     }
  43
  44     @Override
  45     protected InstanceIdentifierSpecification createDeclared(
  46             final StmtContext<String, InstanceIdentifierSpecification, ?> ctx,
  47             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  48         return new RegularInstanceIdentifierSpecification(ctx, substatements);
  49     }
  50
  51     @Override
  52     protected InstanceIdentifierSpecification createEmptyDeclared(
  53             final StmtContext<String, InstanceIdentifierSpecification, ?> ctx) {
  54         return new EmptyIdentifierSpecification(ctx);
  55     }
  56
  57     @Override
  58     protected EffectiveStatement<String, InstanceIdentifierSpecification> createEffective(
  59             final StmtContext<String, InstanceIdentifierSpecification,
  60                 EffectiveStatement<String, InstanceIdentifierSpecification>> ctx,
  61             final InstanceIdentifierSpecification declared,
  62             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  63         final InstanceIdentifierTypeBuilder builder = RestrictedTypes.newInstanceIdentifierBuilder(
  64             BaseTypes.instanceIdentifierType(), ctx.getSchemaPath().get());
  65
  66         for (EffectiveStatement<?, ?> stmt : substatements) {
  67             if (stmt instanceof RequireInstanceEffectiveStatement) {
  68                 builder.setRequireInstance(((RequireInstanceEffectiveStatement)stmt).argument());
  69             }
  70         }
  71
  72         return new TypeEffectiveStatementImpl<>(declared, substatements, builder);
  73     }
  74
  75     @Override
  76     protected EffectiveStatement<String, InstanceIdentifierSpecification> createEmptyEffective(
  77             final StmtContext<String, InstanceIdentifierSpecification,
  78                 EffectiveStatement<String, InstanceIdentifierSpecification>> ctx,
  79             final InstanceIdentifierSpecification declared) {
  80         // TODO: we could do better here, but its really splitting hairs
  81         return createEffective(ctx, declared, ImmutableList.of());
  82     }
  83 }