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 org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
20 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
21 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
22 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
23 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStringStatementSupport;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
35 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToModuleContext;
36 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleCtx;
37 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
39 public final class BelongsToStatementSupport
40 extends AbstractStringStatementSupport<BelongsToStatement, BelongsToEffectiveStatement> {
41 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
42 SubstatementValidator.builder(YangStmtMapping.BELONGS_TO).addMandatory(YangStmtMapping.PREFIX).build();
43 private static final BelongsToStatementSupport INSTANCE = new BelongsToStatementSupport();
45 private BelongsToStatementSupport() {
46 super(YangStmtMapping.BELONGS_TO, StatementPolicy.reject());
49 public static BelongsToStatementSupport getInstance() {
54 public void onPreLinkageDeclared(final Mutable<String, BelongsToStatement, BelongsToEffectiveStatement> ctx) {
55 ctx.addRequiredSource(getSourceIdentifier(ctx));
59 public void onLinkageDeclared(final Mutable<String, BelongsToStatement, BelongsToEffectiveStatement> belongsToCtx) {
60 ModelActionBuilder belongsToAction = belongsToCtx.newInferenceAction(ModelProcessingPhase.SOURCE_LINKAGE);
62 final SourceIdentifier belongsToSourceIdentifier = getSourceIdentifier(belongsToCtx);
63 final Prerequisite<StmtContext<?, ?, ?>> belongsToPrereq = belongsToAction.requiresCtx(belongsToCtx,
64 ModuleNamespaceForBelongsTo.class, belongsToCtx.getArgument(), ModelProcessingPhase.SOURCE_LINKAGE);
66 belongsToAction.apply(new InferenceAction() {
68 public void apply(final InferenceContext ctx) {
69 StmtContext<?, ?, ?> belongsToModuleCtx = belongsToPrereq.resolve(ctx);
71 belongsToCtx.addToNs(BelongsToModuleContext.class, belongsToSourceIdentifier, belongsToModuleCtx);
72 belongsToCtx.addToNs(BelongsToPrefixToModuleCtx.class,
73 findFirstDeclaredSubstatement(belongsToCtx, PrefixStatement.class).getArgument(),
78 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
79 if (failed.contains(belongsToPrereq)) {
80 throw new InferenceException(belongsToCtx, "Module '%s' from belongs-to was not found",
81 belongsToCtx.argument());
88 protected BelongsToStatement createDeclared(final StmtContext<String, BelongsToStatement, ?> ctx,
89 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
90 return DeclaredStatements.createBelongsTo(ctx.getRawArgument(), substatements);
94 protected BelongsToStatement createEmptyDeclared(final StmtContext<String, BelongsToStatement, ?> ctx) {
95 return DeclaredStatements.createBelongsTo(ctx.getRawArgument());
99 protected BelongsToEffectiveStatement createEffective(final Current<String, BelongsToStatement> stmt,
100 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
101 return EffectiveStatements.createBelongsTo(stmt.declared(), substatements);
104 private static SourceIdentifier getSourceIdentifier(final StmtContext<String, BelongsToStatement,
105 BelongsToEffectiveStatement> belongsToCtx) {
106 return RevisionSourceIdentifier.create(belongsToCtx.getArgument());
110 protected SubstatementValidator getSubstatementValidator() {
111 return SUBSTATEMENT_VALIDATOR;