2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others. All rights reserved.
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
8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type;
10 import com.google.common.collect.ImmutableList;
11 import org.eclipse.jdt.annotation.NonNull;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.UnionSpecification;
18 import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
19 import org.opendaylight.yangtools.yang.model.ri.type.BaseTypes;
20 import org.opendaylight.yangtools.yang.model.ri.type.UnionTypeBuilder;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
25 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
27 final class UnionSpecificationSupport extends AbstractTypeSupport<UnionSpecification> {
28 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
29 SubstatementValidator.builder(YangStmtMapping.TYPE).addMultiple(YangStmtMapping.TYPE).build();
31 UnionSpecificationSupport(final YangParserConfiguration config) {
36 protected SubstatementValidator getSubstatementValidator() {
37 return SUBSTATEMENT_VALIDATOR;
41 protected UnionSpecification createDeclared(final StmtContext<QName, UnionSpecification, ?> ctx,
42 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
43 if (substatements.isEmpty()) {
46 return new UnionSpecificationImpl(ctx.getRawArgument(), ctx.getArgument(), substatements);
50 protected EffectiveStatement<QName, UnionSpecification> createEffective(
51 final Current<QName, UnionSpecification> stmt,
52 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
53 if (substatements.isEmpty()) {
57 final UnionTypeBuilder builder = BaseTypes.unionTypeBuilder(stmt.argumentAsTypeQName());
59 for (final EffectiveStatement<?, ?> subStmt : substatements) {
60 if (subStmt instanceof TypeEffectiveStatement) {
61 builder.addType(((TypeEffectiveStatement<?>)subStmt).getTypeDefinition());
65 return new TypeEffectiveStatementImpl<>(stmt.declared(), substatements, builder);
68 private static SourceException noType(final @NonNull CommonStmtCtx stmt) {
70 * https://tools.ietf.org/html/rfc7950#section-9.12
72 * When the type is "union", the "type" statement (Section 7.4) MUST be
75 return new SourceException("At least one type statement has to be present", stmt);