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.rfc8040.parser;
10 import com.google.common.annotations.Beta;
11 import org.opendaylight.yangtools.rfc8040.model.api.YangDataStatement;
12 import org.opendaylight.yangtools.rfc8040.model.api.YangDataStatements;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
16 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
17 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
23 public final class YangDataStatementSupport extends AbstractStatementSupport<String, YangDataStatement,
24 EffectiveStatement<String, YangDataStatement>> {
26 * Declared statement representation of 'yang-data' extension defined in
27 * <a href="https://tools.ietf.org/html/rfc8040#section-8">RFC 8040</a>.
29 private static final class Declared extends AbstractDeclaredStatement<String> implements YangDataStatement {
30 Declared(final StmtContext<String, YangDataStatement, ?> ctx) {
35 public String getArgument() {
40 private static final YangDataStatementSupport INSTANCE = new YangDataStatementSupport(YangDataStatements.YANG_DATA);
42 private final SubstatementValidator validator;
44 private YangDataStatementSupport(final StatementDefinition definition) {
46 validator = SubstatementValidator.builder(definition)
47 .addMandatory(YangStmtMapping.CONTAINER)
48 .addOptional(YangStmtMapping.USES)
52 public static YangDataStatementSupport getInstance() {
57 protected SubstatementValidator getSubstatementValidator() {
62 public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
67 public YangDataStatement createDeclared(final StmtContext<String, YangDataStatement, ?> ctx) {
68 return new Declared(ctx);
72 public EffectiveStatement<String, YangDataStatement> createEffective(final StmtContext<String,
73 YangDataStatement, EffectiveStatement<String, YangDataStatement>> ctx) {
74 // in case of yang-data node we need to perform substatement validation at the point when we have
75 // effective substatement contexts already available - if the node has only a uses statement declared in it,
76 // one top-level container node may very well be added to the yang-data as an effective statement
77 validator.validate(ctx);
78 return new YangDataEffectiveStatementImpl(ctx);
82 public void onFullDefinitionDeclared(final Mutable<String, YangDataStatement,
83 EffectiveStatement<String, YangDataStatement>> ctx) {
84 // as per https://tools.ietf.org/html/rfc8040#section-8,
85 // yang-data is ignored unless it appears as a top-level statement
86 if (ctx.coerceParentContext().getParentContext() != null) {
87 ctx.setIsSupportedToBuildEffective(false);
92 public boolean isIgnoringIfFeatures() {
97 public boolean isIgnoringConfig() {