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 com.google.common.base.Verify.verify;
11 import static com.google.common.base.Verify.verifyNotNull;
12 import static java.util.Objects.requireNonNull;
14 import com.google.common.annotations.Beta;
15 import com.google.common.collect.ImmutableList;
16 import com.google.common.collect.ImmutableSet;
17 import java.util.ArrayList;
18 import java.util.List;
19 import org.eclipse.jdt.annotation.NonNull;
20 import org.opendaylight.yangtools.yang.common.QName;
21 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
22 import org.opendaylight.yangtools.yang.model.api.Status;
23 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
24 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
25 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
26 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
27 import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
28 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityEffectiveStatement;
29 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
30 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
31 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
32 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
33 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
34 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
35 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
36 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
38 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
39 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
40 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
41 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
42 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
43 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
46 public final class IdentityStatementSupport
47 extends AbstractQNameStatementSupport<IdentityStatement, IdentityEffectiveStatement> {
48 private static final SubstatementValidator RFC6020_VALIDATOR =
49 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
50 .addOptional(YangStmtMapping.BASE)
51 .addOptional(YangStmtMapping.DESCRIPTION)
52 .addOptional(YangStmtMapping.REFERENCE)
53 .addOptional(YangStmtMapping.STATUS)
55 private static final SubstatementValidator RFC7950_VALIDATOR =
56 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
57 .addAny(YangStmtMapping.BASE)
58 .addOptional(YangStmtMapping.DESCRIPTION)
59 .addAny(YangStmtMapping.IF_FEATURE)
60 .addOptional(YangStmtMapping.REFERENCE)
61 .addOptional(YangStmtMapping.STATUS)
64 private final SubstatementValidator validator;
66 private IdentityStatementSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
67 super(YangStmtMapping.IDENTITY, StatementPolicy.reject(), config);
68 this.validator = requireNonNull(validator);
71 public static @NonNull IdentityStatementSupport rfc6020Instance(final YangParserConfiguration config) {
72 return new IdentityStatementSupport(config, RFC6020_VALIDATOR);
75 public static @NonNull IdentityStatementSupport rfc7950Instance(final YangParserConfiguration config) {
76 return new IdentityStatementSupport(config, RFC7950_VALIDATOR);
80 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
81 return StmtContextUtils.parseIdentifier(ctx, value);
85 public void onStatementDefinitionDeclared(
86 final Mutable<QName, IdentityStatement, IdentityEffectiveStatement> stmt) {
87 final QName qname = stmt.getArgument();
88 final StmtContext<?, ?, ?> prev = stmt.getFromNamespace(IdentityNamespace.class, qname);
89 SourceException.throwIf(prev != null, stmt, "Duplicate identity definition %s", qname);
90 stmt.addToNs(IdentityNamespace.class, qname, stmt);
94 protected SubstatementValidator getSubstatementValidator() {
99 protected IdentityStatement createDeclared(final StmtContext<QName, IdentityStatement, ?> ctx,
100 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
101 return DeclaredStatements.createIdentity(ctx.getArgument(), substatements);
105 protected IdentityStatement attachDeclarationReference(final IdentityStatement stmt,
106 final DeclarationReference reference) {
107 return DeclaredStatementDecorators.decorateIdentity(stmt, reference);
111 protected IdentityEffectiveStatement createEffective(final Current<QName, IdentityStatement> stmt,
112 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
113 if (substatements.isEmpty()) {
114 return EffectiveStatements.createIdentity(stmt.declared(), stmt.effectivePath());
117 final List<IdentitySchemaNode> identities = new ArrayList<>();
118 for (EffectiveStatement<?, ?> substatement : substatements) {
119 if (substatement instanceof BaseEffectiveStatement) {
120 final QName qname = ((BaseEffectiveStatement) substatement).argument();
121 final IdentityEffectiveStatement identity =
122 verifyNotNull(stmt.getFromNamespace(IdentityNamespace.class, qname),
123 "Failed to find identity %s", qname)
125 verify(identity instanceof IdentitySchemaNode, "%s is not a IdentitySchemaNode", identity);
126 identities.add((IdentitySchemaNode) identity);
130 return EffectiveStatements.createIdentity(stmt.declared(), stmt.effectivePath(), new FlagsBuilder()
131 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
132 .toFlags(), substatements, ImmutableSet.copyOf(identities));