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
9 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
11 import com.google.common.annotations.Beta;
12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
14 import org.opendaylight.yangtools.yang.model.api.stmt.UnknownStatement;
15 import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
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.stmt.rfc6020.effective.YangDataEffectiveStatementImpl;
23 * Declared statement representation of 'yang-data' extension defined in https://tools.ietf.org/html/rfc8040#section-8
26 public class YangDataStatementImpl extends AbstractDeclaredStatement<String> implements UnknownStatement<String> {
27 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
28 SupportedExtensionsMapping.YANG_DATA)
29 .addMandatory(YangStmtMapping.CONTAINER)
30 .addOptional(YangStmtMapping.USES)
33 YangDataStatementImpl(final StmtContext<String, UnknownStatement<String>, ?> ctx) {
37 public static class YangDataSupport extends AbstractStatementSupport<String, UnknownStatement<String>,
38 EffectiveStatement<String, UnknownStatement<String>>> {
40 public YangDataSupport() {
41 super(SupportedExtensionsMapping.YANG_DATA);
45 protected SubstatementValidator getSubstatementValidator() {
46 return SUBSTATEMENT_VALIDATOR;
50 public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, String value) {
55 public UnknownStatement<String> createDeclared(final StmtContext<String, UnknownStatement<String>, ?> ctx) {
56 return new YangDataStatementImpl(ctx);
60 public EffectiveStatement<String, UnknownStatement<String>> createEffective(final StmtContext<String,
61 UnknownStatement<String>, EffectiveStatement<String, UnknownStatement<String>>> ctx) {
62 // in case of yang-data node we need to perform substatement validation at the point when we have
63 // effective substatement contexts already available - if the node has only a uses statement declared in it,
64 // one top-level container node may very well be added to the yang-data as an effective statement
65 SUBSTATEMENT_VALIDATOR.validate(ctx);
66 return new YangDataEffectiveStatementImpl(ctx);
70 public void onFullDefinitionDeclared(final Mutable<String, UnknownStatement<String>,
71 EffectiveStatement<String, UnknownStatement<String>>> ctx) {
72 // as per https://tools.ietf.org/html/rfc8040#section-8,
73 // yang-data is ignored unless it appears as a top-level statement
74 if (!ctx.getParentContext().isRootContext()) {
75 ctx.setIsSupportedToBuildEffective(false);
81 public String getArgument() {