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.identity;
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.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.parser.rfc7950.stmt.BaseQNameStatementSupport;
31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
32 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
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.StmtContextUtils;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
38 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
41 public final class IdentityStatementSupport
42 extends BaseQNameStatementSupport<IdentityStatement, IdentityEffectiveStatement> {
43 private static final @NonNull IdentityStatementSupport RFC6020_INSTANCE = new IdentityStatementSupport(
44 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
45 .addOptional(YangStmtMapping.BASE)
46 .addOptional(YangStmtMapping.DESCRIPTION)
47 .addOptional(YangStmtMapping.REFERENCE)
48 .addOptional(YangStmtMapping.STATUS)
50 private static final @NonNull IdentityStatementSupport RFC7950_INSTANCE = new IdentityStatementSupport(
51 SubstatementValidator.builder(YangStmtMapping.IDENTITY)
52 .addAny(YangStmtMapping.BASE)
53 .addOptional(YangStmtMapping.DESCRIPTION)
54 .addAny(YangStmtMapping.IF_FEATURE)
55 .addOptional(YangStmtMapping.REFERENCE)
56 .addOptional(YangStmtMapping.STATUS)
59 private final SubstatementValidator validator;
61 private IdentityStatementSupport(final SubstatementValidator validator) {
62 super(YangStmtMapping.IDENTITY, StatementPolicy.reject());
63 this.validator = requireNonNull(validator);
66 public static @NonNull IdentityStatementSupport rfc6020Instance() {
67 return RFC6020_INSTANCE;
70 public static @NonNull IdentityStatementSupport rfc7950Instance() {
71 return RFC7950_INSTANCE;
75 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
76 return StmtContextUtils.parseIdentifier(ctx, value);
80 public void onStatementDefinitionDeclared(
81 final Mutable<QName, IdentityStatement, IdentityEffectiveStatement> stmt) {
82 final QName qname = stmt.getArgument();
83 final StmtContext<?, ?, ?> prev = stmt.getFromNamespace(IdentityNamespace.class, qname);
84 SourceException.throwIf(prev != null, stmt, "Duplicate identity definition %s", qname);
85 stmt.addToNs(IdentityNamespace.class, qname, stmt);
89 protected SubstatementValidator getSubstatementValidator() {
94 protected IdentityStatement createDeclared(final StmtContext<QName, IdentityStatement, ?> ctx,
95 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
96 return new RegularIdentityStatement(ctx.getArgument(), substatements);
100 protected IdentityStatement createEmptyDeclared(final StmtContext<QName, IdentityStatement, ?> ctx) {
101 return new EmptyIdentityStatement(ctx.getArgument());
105 protected IdentityEffectiveStatement createEffective(final Current<QName, IdentityStatement> stmt,
106 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
107 if (substatements.isEmpty()) {
108 return new EmptyIdentityEffectiveStatement(stmt.declared(), stmt.wrapSchemaPath());
111 final List<IdentitySchemaNode> identities = new ArrayList<>();
112 for (EffectiveStatement<?, ?> substatement : substatements) {
113 if (substatement instanceof BaseEffectiveStatement) {
114 final QName qname = ((BaseEffectiveStatement) substatement).argument();
115 final IdentityEffectiveStatement identity =
116 verifyNotNull(stmt.getFromNamespace(IdentityNamespace.class, qname),
117 "Failed to find identity %s", qname)
119 verify(identity instanceof IdentitySchemaNode, "%s is not a IdentitySchemaNode", identity);
120 identities.add((IdentitySchemaNode) identity);
124 return new RegularIdentityEffectiveStatement(stmt.declared(), stmt.wrapSchemaPath(), new FlagsBuilder()
125 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
126 .toFlags(), substatements, ImmutableSet.copyOf(identities));