Teach YANG parser to retain DeclarationReference
[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / openconfig / stmt / OpenConfigVersionSupport.java
1 /*
2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
3  *
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
7  */
8 package org.opendaylight.yangtools.yang.parser.openconfig.stmt;
9
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.concepts.SemVer;
12 import org.opendaylight.yangtools.openconfig.model.api.OpenConfigStatements;
13 import org.opendaylight.yangtools.openconfig.model.api.OpenConfigVersionEffectiveStatement;
14 import org.opendaylight.yangtools.openconfig.model.api.OpenConfigVersionStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionNamespace;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
24
25 public final class OpenConfigVersionSupport
26         extends AbstractStatementSupport<SemVer, OpenConfigVersionStatement, OpenConfigVersionEffectiveStatement> {
27     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
28         SubstatementValidator.builder(OpenConfigStatements.OPENCONFIG_VERSION).build();
29
30     public OpenConfigVersionSupport(final YangParserConfiguration config) {
31         super(OpenConfigStatements.OPENCONFIG_VERSION, StatementPolicy.reject(), config);
32     }
33
34     @Override
35     public SemVer parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
36         return SemVer.valueOf(value);
37     }
38
39     @Override
40     public void onLinkageDeclared(
41             final Mutable<SemVer, OpenConfigVersionStatement, OpenConfigVersionEffectiveStatement> stmt) {
42         stmt.addToNs(SemanticVersionNamespace.class, stmt.getParentContext(), stmt.argument());
43     }
44
45     @Override
46     protected SubstatementValidator getSubstatementValidator() {
47         return SUBSTATEMENT_VALIDATOR;
48     }
49
50     @Override
51     protected OpenConfigVersionStatement createDeclared(final StmtContext<SemVer, OpenConfigVersionStatement, ?> ctx,
52             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
53         return new OpenConfigVersionStatementImpl(ctx.getArgument(), substatements);
54     }
55
56     @Override
57     protected OpenConfigVersionEffectiveStatement createEffective(
58             final Current<SemVer, OpenConfigVersionStatement> stmt,
59             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
60         return new OpenConfigVersionEffectiveStatementImpl(stmt, substatements);
61     }
62 }