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.list;
10 import static com.google.common.base.Verify.verify;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.ImmutableList;
14 import com.google.common.collect.ImmutableSet;
15 import java.util.ArrayList;
16 import java.util.Collection;
17 import java.util.HashSet;
18 import java.util.List;
20 import org.eclipse.jdt.annotation.NonNull;
21 import org.opendaylight.yangtools.yang.common.Ordering;
22 import org.opendaylight.yangtools.yang.common.QName;
23 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.Status;
26 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
27 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
28 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
29 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
31 import org.opendaylight.yangtools.yang.model.api.stmt.KeyEffectiveStatement;
32 import org.opendaylight.yangtools.yang.model.api.stmt.ListEffectiveStatement;
33 import org.opendaylight.yangtools.yang.model.api.stmt.ListStatement;
34 import org.opendaylight.yangtools.yang.model.api.stmt.OrderedByEffectiveStatement;
35 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
36 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
37 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
38 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
39 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
40 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
41 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
42 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStmtUtils;
43 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractSchemaTreeStatementSupport;
44 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStatementState;
45 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx;
46 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
47 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Parent;
48 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Parent.EffectiveConfig;
49 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
50 import org.opendaylight.yangtools.yang.parser.spi.meta.QNameWithFlagsEffectiveStatementState;
51 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
52 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
53 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
54 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
55 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
56 import org.slf4j.Logger;
57 import org.slf4j.LoggerFactory;
60 public final class ListStatementSupport
61 extends AbstractSchemaTreeStatementSupport<ListStatement, ListEffectiveStatement> {
62 private static final Logger LOG = LoggerFactory.getLogger(ListStatementSupport.class);
63 private static final ImmutableSet<YangStmtMapping> UNINSTANTIATED_DATATREE_STATEMENTS = ImmutableSet.of(
64 YangStmtMapping.GROUPING, YangStmtMapping.NOTIFICATION, YangStmtMapping.INPUT, YangStmtMapping.OUTPUT);
66 private static final SubstatementValidator RFC6020_VALIDATOR = SubstatementValidator.builder(YangStmtMapping.LIST)
67 .addAny(YangStmtMapping.ANYXML)
68 .addAny(YangStmtMapping.CHOICE)
69 .addOptional(YangStmtMapping.CONFIG)
70 .addAny(YangStmtMapping.CONTAINER)
71 .addOptional(YangStmtMapping.DESCRIPTION)
72 .addAny(YangStmtMapping.GROUPING)
73 .addAny(YangStmtMapping.IF_FEATURE)
74 .addOptional(YangStmtMapping.KEY)
75 .addAny(YangStmtMapping.LEAF)
76 .addAny(YangStmtMapping.LEAF_LIST)
77 .addAny(YangStmtMapping.LIST)
78 .addOptional(YangStmtMapping.MAX_ELEMENTS)
79 .addOptional(YangStmtMapping.MIN_ELEMENTS)
80 .addAny(YangStmtMapping.MUST)
81 .addOptional(YangStmtMapping.ORDERED_BY)
82 .addOptional(YangStmtMapping.REFERENCE)
83 .addOptional(YangStmtMapping.STATUS)
84 .addAny(YangStmtMapping.TYPEDEF)
85 .addAny(YangStmtMapping.UNIQUE)
86 .addAny(YangStmtMapping.USES)
87 .addOptional(YangStmtMapping.WHEN)
89 private static final SubstatementValidator RFC7950_VALIDATOR = SubstatementValidator.builder(YangStmtMapping.LIST)
90 .addAny(YangStmtMapping.ACTION)
91 .addAny(YangStmtMapping.ANYDATA)
92 .addAny(YangStmtMapping.ANYXML)
93 .addAny(YangStmtMapping.CHOICE)
94 .addOptional(YangStmtMapping.CONFIG)
95 .addAny(YangStmtMapping.CONTAINER)
96 .addOptional(YangStmtMapping.DESCRIPTION)
97 .addAny(YangStmtMapping.GROUPING)
98 .addAny(YangStmtMapping.IF_FEATURE)
99 .addOptional(YangStmtMapping.KEY)
100 .addAny(YangStmtMapping.LEAF)
101 .addAny(YangStmtMapping.LEAF_LIST)
102 .addAny(YangStmtMapping.LIST)
103 .addOptional(YangStmtMapping.MAX_ELEMENTS)
104 .addOptional(YangStmtMapping.MIN_ELEMENTS)
105 .addAny(YangStmtMapping.MUST)
106 .addAny(YangStmtMapping.NOTIFICATION)
107 .addOptional(YangStmtMapping.ORDERED_BY)
108 .addOptional(YangStmtMapping.REFERENCE)
109 .addOptional(YangStmtMapping.STATUS)
110 .addAny(YangStmtMapping.TYPEDEF)
111 .addAny(YangStmtMapping.UNIQUE)
112 .addAny(YangStmtMapping.USES)
113 .addOptional(YangStmtMapping.WHEN)
116 ListStatementSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
117 super(YangStmtMapping.LIST, instantiatedPolicy(), config, validator);
120 public static @NonNull ListStatementSupport rfc6020Instance(final YangParserConfiguration config) {
121 return new ListStatementSupport(config, RFC6020_VALIDATOR);
124 public static @NonNull ListStatementSupport rfc7950Instance(final YangParserConfiguration config) {
125 return new ListStatementSupport(config, RFC7950_VALIDATOR);
129 protected ListStatement createDeclared(final StmtContext<QName, ListStatement, ?> ctx,
130 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
131 return DeclaredStatements.createList(ctx.getArgument(), substatements);
135 protected ListStatement attachDeclarationReference(final ListStatement stmt, final DeclarationReference reference) {
136 return DeclaredStatementDecorators.decorateList(stmt, reference);
140 public ListEffectiveStatement copyEffective(final Current<QName, ListStatement> stmt,
141 final ListEffectiveStatement original) {
142 return EffectiveStatements.copyList(original, stmt.getArgument(),
143 computeFlags(stmt, original.effectiveSubstatements()));
147 protected ListEffectiveStatement createEffective(final Current<QName, ListStatement> stmt,
148 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
149 final ImmutableList<QName> keyDefinition;
150 final KeyEffectiveStatement keyStmt = findFirstStatement(substatements, KeyEffectiveStatement.class);
151 if (keyStmt != null) {
152 final List<QName> keyDefinitionInit = new ArrayList<>(keyStmt.argument().size());
153 final Set<QName> possibleLeafQNamesForKey = new HashSet<>();
154 for (final EffectiveStatement<?, ?> effectiveStatement : substatements) {
155 if (effectiveStatement instanceof LeafSchemaNode) {
156 possibleLeafQNamesForKey.add(((LeafSchemaNode) effectiveStatement).getQName());
159 for (final QName keyQName : keyStmt.argument()) {
160 if (!possibleLeafQNamesForKey.contains(keyQName)) {
161 throw new InferenceException(stmt, "Key '%s' misses node '%s' in list '%s'",
162 keyStmt.getDeclared().rawArgument(), keyQName.getLocalName(), stmt.argument());
164 keyDefinitionInit.add(keyQName);
167 keyDefinition = ImmutableList.copyOf(keyDefinitionInit);
169 keyDefinition = ImmutableList.of();
172 final int flags = computeFlags(stmt, substatements);
173 if (stmt.effectiveConfig() == EffectiveConfig.TRUE && keyDefinition.isEmpty() && isInstantied(stmt)) {
174 warnConfigList(stmt);
177 EffectiveStmtUtils.checkUniqueGroupings(stmt, substatements);
178 EffectiveStmtUtils.checkUniqueTypedefs(stmt, substatements);
179 EffectiveStmtUtils.checkUniqueUses(stmt, substatements);
182 return EffectiveStatements.createList(stmt.declared(), stmt.getArgument(), flags, substatements,
183 keyDefinition, EffectiveStmtUtils.createElementCountConstraint(substatements).orElse(null));
184 } catch (SubstatementIndexingException e) {
185 throw new SourceException(e.getMessage(), stmt, e);
190 public EffectiveStatementState extractEffectiveState(final ListEffectiveStatement stmt) {
191 verify(stmt instanceof ListSchemaNode, "Unexpected statement %s", stmt);
192 final var schema = (ListSchemaNode) stmt;
193 return new QNameWithFlagsEffectiveStatementState(stmt.argument(), new FlagsBuilder()
195 .setStatus(schema.getStatus())
196 .setConfiguration(schema.effectiveConfig().orElse(null))
197 .setUserOrdered(schema.isUserOrdered())
201 private static int computeFlags(final Current<?, ?> stmt,
202 final Collection<? extends EffectiveStatement<?, ?>> substatements) {
203 return new FlagsBuilder()
204 .setHistory(stmt.history())
205 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
206 .setConfiguration(stmt.effectiveConfig().asNullable())
207 .setUserOrdered(findFirstArgument(substatements, OrderedByEffectiveStatement.class, Ordering.SYSTEM)
208 .equals(Ordering.USER))
212 private static void warnConfigList(final @NonNull Current<QName, ListStatement> stmt) {
213 final StatementSourceReference ref = stmt.sourceReference();
214 final Boolean warned = stmt.getFromNamespace(ConfigListWarningNamespace.class, ref);
215 // Hacky check if we have issued a warning for the original statement
216 if (warned == null) {
217 final StmtContext<?, ?, ?> ctx = stmt.caerbannog();
218 verify(ctx instanceof Mutable, "Unexpected context %s", ctx);
219 ((Mutable<?, ?, ?>) ctx).addToNs(ConfigListWarningNamespace.class, ref, Boolean.TRUE);
220 LOG.info("Configuration list {} does not define any keys in violation of RFC7950 section 7.8.2. While "
221 + "this is fine with OpenDaylight, it can cause interoperability issues with other systems "
222 + "[defined at {}]", stmt.argument(), ref);
226 private static boolean isInstantied(final EffectiveStmtCtx ctx) {
227 Parent parent = ctx.effectiveParent();
228 while (parent != null) {
229 final StatementDefinition parentDef = parent.publicDefinition();
230 if (UNINSTANTIATED_DATATREE_STATEMENTS.contains(parentDef)) {
234 final Parent grandParent = parent.effectiveParent();
235 if (YangStmtMapping.AUGMENT == parentDef && grandParent != null) {
236 // If this is an augment statement and its parent is either a 'module' or 'submodule' statement, we are
237 // dealing with an uninstantiated context.
238 final StatementDefinition grandParentDef = grandParent.publicDefinition();
239 if (YangStmtMapping.MODULE == grandParentDef || YangStmtMapping.SUBMODULE == grandParentDef) {
244 parent = grandParent;