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.meta;
10 import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.findFirstDeclaredSubstatement;
12 import com.google.common.collect.ImmutableList;
13 import java.util.Collection;
14 import java.util.Optional;
15 import org.opendaylight.yangtools.yang.common.UnresolvedQName.Unqualified;
16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
17 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
18 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
19 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToEffectiveStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
23 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
24 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
25 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
26 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
27 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
28 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractUnqualifiedStatementSupport;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
35 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
36 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
38 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
39 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
40 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
41 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToModuleContext;
42 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleCtx;
43 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
45 public final class BelongsToStatementSupport
46 extends AbstractUnqualifiedStatementSupport<BelongsToStatement, BelongsToEffectiveStatement> {
47 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
48 SubstatementValidator.builder(YangStmtMapping.BELONGS_TO).addMandatory(YangStmtMapping.PREFIX).build();
50 public BelongsToStatementSupport(final YangParserConfiguration config) {
51 super(YangStmtMapping.BELONGS_TO, StatementPolicy.reject(), config, SUBSTATEMENT_VALIDATOR);
55 public void onPreLinkageDeclared(final Mutable<Unqualified, BelongsToStatement, BelongsToEffectiveStatement> ctx) {
56 ctx.addRequiredSource(getSourceIdentifier(ctx));
60 public void onLinkageDeclared(
61 final Mutable<Unqualified, BelongsToStatement, BelongsToEffectiveStatement> belongsToCtx) {
62 ModelActionBuilder belongsToAction = belongsToCtx.newInferenceAction(ModelProcessingPhase.SOURCE_LINKAGE);
64 final SourceIdentifier belongsToSourceIdentifier = getSourceIdentifier(belongsToCtx);
65 final Prerequisite<StmtContext<?, ?, ?>> belongsToPrereq = belongsToAction.requiresCtx(belongsToCtx,
66 ModuleNamespaceForBelongsTo.class, belongsToCtx.getArgument(), ModelProcessingPhase.SOURCE_LINKAGE);
68 belongsToAction.apply(new InferenceAction() {
70 public void apply(final InferenceContext ctx) {
71 StmtContext<?, ?, ?> belongsToModuleCtx = belongsToPrereq.resolve(ctx);
73 belongsToCtx.addToNs(BelongsToModuleContext.class, belongsToSourceIdentifier, belongsToModuleCtx);
74 belongsToCtx.addToNs(BelongsToPrefixToModuleCtx.class,
75 findFirstDeclaredSubstatement(belongsToCtx, PrefixStatement.class).getArgument(),
80 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
81 if (failed.contains(belongsToPrereq)) {
82 throw new InferenceException(belongsToCtx, "Module '%s' from belongs-to was not found",
83 belongsToCtx.argument());
90 protected BelongsToStatement createDeclared(final BoundStmtCtx<Unqualified> ctx,
91 final ImmutableList<DeclaredStatement<?>> substatements) {
92 return DeclaredStatements.createBelongsTo(ctx.getArgument(), substatements);
96 protected BelongsToStatement attachDeclarationReference(final BelongsToStatement stmt,
97 final DeclarationReference reference) {
98 return DeclaredStatementDecorators.decorateBelongsTo(stmt, reference);
102 protected BelongsToEffectiveStatement createEffective(final Current<Unqualified, BelongsToStatement> stmt,
103 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
104 return EffectiveStatements.createBelongsTo(stmt.declared(), substatements);
107 private static SourceIdentifier getSourceIdentifier(
108 final StmtContext<Unqualified, BelongsToStatement, BelongsToEffectiveStatement> belongsToCtx) {
109 return RevisionSourceIdentifier.create(belongsToCtx.getArgument(), Optional.empty());