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.meta;
10 import static com.google.common.base.Verify.verifyNotNull;
12 import com.google.common.collect.ImmutableList;
13 import com.google.common.collect.Iterables;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
16 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.DeviationEffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.DeviationStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
21 import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleStatement;
22 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
23 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
24 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
25 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
26 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.ArgumentUtils;
27 import org.opendaylight.yangtools.yang.parser.spi.ParserNamespaces;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
36 public final class DeviationStatementSupport
37 extends AbstractStatementSupport<Absolute, DeviationStatement, DeviationEffectiveStatement> {
38 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
39 SubstatementValidator.builder(YangStmtMapping.DEVIATION)
40 .addOptional(YangStmtMapping.DESCRIPTION)
41 .addAny(YangStmtMapping.DEVIATE)
42 .addOptional(YangStmtMapping.REFERENCE)
45 public DeviationStatementSupport(final YangParserConfiguration config) {
46 super(YangStmtMapping.DEVIATION, StatementPolicy.reject(), config, SUBSTATEMENT_VALIDATOR);
50 public Absolute parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
51 return ArgumentUtils.parseAbsoluteSchemaNodeIdentifier(ctx, value);
55 public void onFullDefinitionDeclared(final Mutable<Absolute, DeviationStatement, DeviationEffectiveStatement> ctx) {
56 super.onFullDefinitionDeclared(ctx);
58 StmtContext<?, ?, ?> root = ctx.getRoot();
59 if (root.producesDeclared(SubmoduleStatement.class)) {
60 // root is submodule, we need to find the module we belong to. We can rely on there being exactly one
61 // belongs-to statement, enforced SubmoduleStatementSupport's validator.
62 root = Iterables.getOnlyElement(
63 root.getAllFromNamespace(ParserNamespaces.BELONGSTO_PREFIX_TO_MODULECTX).values());
66 final var currentModule = verifyNotNull(ctx.getFromNamespace(ParserNamespaces.MODULECTX_TO_QNAME, root),
67 "Failed to find QName for %s", root);
68 final var targetModule = Iterables.getLast(ctx.getArgument().getNodeIdentifiers()).getModule();
69 if (currentModule.equals(targetModule)) {
70 throw new InferenceException(ctx,
71 "Deviation must not target the same module as the one it is defined in: %s", currentModule);
76 protected DeviationStatement createDeclared(final BoundStmtCtx<Absolute> ctx,
77 final ImmutableList<DeclaredStatement<?>> substatements) {
78 return DeclaredStatements.createDeviation(ctx.getRawArgument(), ctx.getArgument(), substatements);
82 protected DeviationStatement attachDeclarationReference(final DeviationStatement stmt,
83 final DeclarationReference reference) {
84 return DeclaredStatementDecorators.decorateDeviation(stmt, reference);
88 protected DeviationEffectiveStatement createEffective(final Current<Absolute, DeviationStatement> stmt,
89 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
90 return EffectiveStatements.createDeviation(stmt.declared(), substatements);