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.stmt.rfc8040;
10 import com.google.common.annotations.Beta;
11 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
12 import org.opendaylight.yangtools.yang.model.api.stmt.UnknownStatement;
13 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
14 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
15 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
16 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
17 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.SupportedExtensionsMapping;
20 public final class YangDataStatementSupport extends AbstractStatementSupport<String, UnknownStatement<String>,
21 EffectiveStatement<String, UnknownStatement<String>>> {
22 private static final YangDataStatementSupport INSTANCE = new YangDataStatementSupport();
24 private YangDataStatementSupport() {
25 super(SupportedExtensionsMapping.YANG_DATA);
28 public static YangDataStatementSupport getInstance() {
33 protected SubstatementValidator getSubstatementValidator() {
34 return YangDataStatement.SUBSTATEMENT_VALIDATOR;
38 public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
43 public UnknownStatement<String> createDeclared(final StmtContext<String, UnknownStatement<String>, ?> ctx) {
44 return new YangDataStatement(ctx);
48 public EffectiveStatement<String, UnknownStatement<String>> createEffective(final StmtContext<String,
49 UnknownStatement<String>, EffectiveStatement<String, UnknownStatement<String>>> ctx) {
50 // in case of yang-data node we need to perform substatement validation at the point when we have
51 // effective substatement contexts already available - if the node has only a uses statement declared in it,
52 // one top-level container node may very well be added to the yang-data as an effective statement
53 YangDataStatement.SUBSTATEMENT_VALIDATOR.validate(ctx);
54 return new YangDataEffectiveStatement(ctx);
58 public void onFullDefinitionDeclared(final Mutable<String, UnknownStatement<String>,
59 EffectiveStatement<String, UnknownStatement<String>>> ctx) {
60 // as per https://tools.ietf.org/html/rfc8040#section-8,
61 // yang-data is ignored unless it appears as a top-level statement
62 if (ctx.getParentContext().getParentContext() != null) {
63 ctx.setIsSupportedToBuildEffective(false);
68 public boolean isIgnoringIfFeatures() {
73 public boolean isIgnoringConfig() {