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;
13 import com.google.common.annotations.Beta;
14 import com.google.common.collect.ImmutableList;
15 import com.google.common.collect.ImmutableSet;
16 import java.util.ArrayList;
17 import java.util.List;
18 import org.eclipse.jdt.annotation.NonNull;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
21 import org.opendaylight.yangtools.yang.model.api.Status;
22 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
23 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
24 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
25 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
26 import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
27 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityEffectiveStatement;
28 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
29 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
31 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
32 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
33 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
34 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
35 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
36 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
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.StmtContextUtils;
41 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
42 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
45 public final class IdentityStatementSupport
46 extends AbstractQNameStatementSupport<IdentityStatement, IdentityEffectiveStatement> {
47 private static final SubstatementValidator RFC6020_VALIDATOR =
48 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
49 .addOptional(YangStmtMapping.BASE)
50 .addOptional(YangStmtMapping.DESCRIPTION)
51 .addOptional(YangStmtMapping.REFERENCE)
52 .addOptional(YangStmtMapping.STATUS)
54 private static final SubstatementValidator RFC7950_VALIDATOR =
55 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
56 .addAny(YangStmtMapping.BASE)
57 .addOptional(YangStmtMapping.DESCRIPTION)
58 .addAny(YangStmtMapping.IF_FEATURE)
59 .addOptional(YangStmtMapping.REFERENCE)
60 .addOptional(YangStmtMapping.STATUS)
63 private IdentityStatementSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
64 super(YangStmtMapping.IDENTITY, StatementPolicy.reject(), config, validator);
67 public static @NonNull IdentityStatementSupport rfc6020Instance(final YangParserConfiguration config) {
68 return new IdentityStatementSupport(config, RFC6020_VALIDATOR);
71 public static @NonNull IdentityStatementSupport rfc7950Instance(final YangParserConfiguration config) {
72 return new IdentityStatementSupport(config, RFC7950_VALIDATOR);
76 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
77 return StmtContextUtils.parseIdentifier(ctx, value);
81 public void onStatementDefinitionDeclared(
82 final Mutable<QName, IdentityStatement, IdentityEffectiveStatement> stmt) {
83 final QName qname = stmt.getArgument();
84 final StmtContext<?, ?, ?> prev = stmt.getFromNamespace(IdentityNamespace.class, qname);
85 SourceException.throwIf(prev != null, stmt, "Duplicate identity definition %s", qname);
86 stmt.addToNs(IdentityNamespace.class, qname, stmt);
90 protected IdentityStatement createDeclared(final StmtContext<QName, IdentityStatement, ?> ctx,
91 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
92 return DeclaredStatements.createIdentity(ctx.getArgument(), substatements);
96 protected IdentityStatement attachDeclarationReference(final IdentityStatement stmt,
97 final DeclarationReference reference) {
98 return DeclaredStatementDecorators.decorateIdentity(stmt, reference);
102 protected IdentityEffectiveStatement createEffective(final Current<QName, IdentityStatement> stmt,
103 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
104 if (substatements.isEmpty()) {
105 return EffectiveStatements.createIdentity(stmt.declared());
108 final List<IdentitySchemaNode> identities = new ArrayList<>();
109 for (EffectiveStatement<?, ?> substatement : substatements) {
110 if (substatement instanceof BaseEffectiveStatement) {
111 final QName qname = ((BaseEffectiveStatement) substatement).argument();
112 final IdentityEffectiveStatement identity =
113 verifyNotNull(stmt.getFromNamespace(IdentityNamespace.class, qname),
114 "Failed to find identity %s", qname)
116 verify(identity instanceof IdentitySchemaNode, "%s is not a IdentitySchemaNode", identity);
117 identities.add((IdentitySchemaNode) identity);
121 return EffectiveStatements.createIdentity(stmt.declared(), new FlagsBuilder()
122 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
123 .toFlags(), substatements, ImmutableSet.copyOf(identities));