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.if_feature;
10 import static com.google.common.base.Verify.verifyNotNull;
12 import com.google.common.collect.ImmutableList;
13 import java.util.Collection;
14 import java.util.HashMap;
15 import java.util.HashSet;
18 import org.opendaylight.yangtools.yang.common.QName;
19 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
20 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
21 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureEffectiveStatement;
23 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureExpr;
24 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureStatement;
25 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
26 import org.opendaylight.yangtools.yang.parser.spi.FeatureNamespace;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
35 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
36 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
40 abstract class AbstractIfFeatureStatementSupport
41 extends BaseStatementSupport<IfFeatureExpr, IfFeatureStatement, IfFeatureEffectiveStatement> {
42 private static final Logger LOG = LoggerFactory.getLogger(AbstractIfFeatureStatementSupport.class);
43 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
44 YangStmtMapping.IF_FEATURE)
47 AbstractIfFeatureStatementSupport() {
48 super(YangStmtMapping.IF_FEATURE, CopyPolicy.CONTEXT_INDEPENDENT);
52 public final void onFullDefinitionDeclared(
53 final Mutable<IfFeatureExpr, IfFeatureStatement, IfFeatureEffectiveStatement> stmt) {
54 super.onFullDefinitionDeclared(stmt);
56 final ModelActionBuilder verifyFeatures = stmt.newInferenceAction(ModelProcessingPhase.EFFECTIVE_MODEL);
57 final Map<Prerequisite<?>, QName> backRef = new HashMap<>();
58 for (QName feature : stmt.getArgument().getReferencedFeatures()) {
59 backRef.put(verifyFeatures.requiresCtx(stmt, FeatureNamespace.class, feature,
60 ModelProcessingPhase.EFFECTIVE_MODEL), feature);
63 verifyFeatures.apply(new InferenceAction() {
65 public void apply(final InferenceContext ctx) {
66 LOG.debug("Resolved all feature references in {}", backRef.values());
70 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
71 final Set<QName> unresolvedFeatures = new HashSet<>();
72 for (Prerequisite<?> prereq : failed) {
73 unresolvedFeatures.add(verifyNotNull(backRef.get(prereq)));
76 throw new InferenceException(stmt, "Failed to resolve feature references %s in \"%s\"",
77 unresolvedFeatures, stmt.rawArgument());
83 protected final SubstatementValidator getSubstatementValidator() {
84 return SUBSTATEMENT_VALIDATOR;
88 protected final IfFeatureStatement createDeclared(final StmtContext<IfFeatureExpr, IfFeatureStatement, ?> ctx,
89 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
90 return new RegularIfFeatureStatement(ctx.getRawArgument(), ctx.getArgument(), substatements);
94 protected final IfFeatureStatement createEmptyDeclared(
95 final StmtContext<IfFeatureExpr, IfFeatureStatement, ?> ctx) {
96 return new EmptyIfFeatureStatement(ctx.getRawArgument(), ctx.getArgument());
100 protected final IfFeatureEffectiveStatement createEffective(final Current<IfFeatureExpr, IfFeatureStatement> stmt,
101 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
102 return substatements.isEmpty() ? new EmptyIfFeatureEffectiveStatement(stmt.declared())
103 : new RegularIfFeatureEffectiveStatement(stmt.declared(), substatements);