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.EffectiveStmtCtx.Current;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  22 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  23
  24 final class InstanceIdentifierSpecificationSupport extends BaseStatementSupport<String,
  25         InstanceIdentifierSpecification, EffectiveStatement<String, InstanceIdentifierSpecification>> {
  26     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  27         YangStmtMapping.TYPE)
  28         .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
  29         .build();
  30
  31     InstanceIdentifierSpecificationSupport() {
  32         super(YangStmtMapping.TYPE);
  33     }
  34
  35     @Override
  36     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  37         return value;
  38     }
  39
  40     @Override
  41     protected SubstatementValidator getSubstatementValidator() {
  42         return SUBSTATEMENT_VALIDATOR;
  43     }
  44
  45     @Override
  46     protected InstanceIdentifierSpecification createDeclared(
  47             final StmtContext<String, InstanceIdentifierSpecification, ?> ctx,
  48             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  49         return new RegularInstanceIdentifierSpecification(ctx.getRawArgument(), substatements);
  50     }
  51
  52     @Override
  53     protected InstanceIdentifierSpecification createEmptyDeclared(
  54             final StmtContext<String, InstanceIdentifierSpecification, ?> ctx) {
  55         return new EmptyIdentifierSpecification(ctx.getRawArgument());
  56     }
  57
  58     @Override
  59     protected EffectiveStatement<String, InstanceIdentifierSpecification> createEffective(
  60             final Current<String, InstanceIdentifierSpecification> stmt,
  61             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  62         final InstanceIdentifierTypeBuilder builder = RestrictedTypes.newInstanceIdentifierBuilder(
  63             BaseTypes.instanceIdentifierType(), stmt.getSchemaPath());
  64
  65         // TODO: we could do better here for empty substatements, but its really splitting hairs
  66         for (EffectiveStatement<?, ?> subStmt : substatements) {
  67             if (subStmt instanceof RequireInstanceEffectiveStatement) {
  68                 builder.setRequireInstance(((RequireInstanceEffectiveStatement)subStmt).argument());
  69             }
  70         }
  71
  72         return new TypeEffectiveStatementImpl<>(stmt.declared(), substatements, builder);
  73     }
  74 }