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.meta.AbstractStatementSupport;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
34 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleCtx;
35 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
37 public final class DeviationStatementSupport
38 extends AbstractStatementSupport<Absolute, DeviationStatement, DeviationEffectiveStatement> {
39 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
40 SubstatementValidator.builder(YangStmtMapping.DEVIATION)
41 .addOptional(YangStmtMapping.DESCRIPTION)
42 .addAny(YangStmtMapping.DEVIATE)
43 .addOptional(YangStmtMapping.REFERENCE)
46 public DeviationStatementSupport(final YangParserConfiguration config) {
47 super(YangStmtMapping.DEVIATION, StatementPolicy.reject(), config, SUBSTATEMENT_VALIDATOR);
51 public Absolute parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
52 return ArgumentUtils.parseAbsoluteSchemaNodeIdentifier(ctx, value);
56 public void onFullDefinitionDeclared(final Mutable<Absolute, DeviationStatement, DeviationEffectiveStatement> ctx) {
57 super.onFullDefinitionDeclared(ctx);
59 StmtContext<?, ?, ?> root = ctx.getRoot();
60 if (root.producesDeclared(SubmoduleStatement.class)) {
61 // root is submodule, we need to find the module we belong to. We can rely on there being exactly one
62 // belongs-to statement, enforced SubmoduleStatementSupport's validator.
63 root = Iterables.getOnlyElement(
64 root.getAllFromNamespace(BelongsToPrefixToModuleCtx.class).values());
67 final var currentModule = verifyNotNull(ctx.getFromNamespace(ModuleCtxToModuleQName.class, root),
68 "Failed to find QName for %s", root);
69 final var targetModule = Iterables.getLast(ctx.getArgument().getNodeIdentifiers()).getModule();
70 if (currentModule.equals(targetModule)) {
71 throw new InferenceException(ctx,
72 "Deviation must not target the same module as the one it is defined in: %s", currentModule);
77 protected DeviationStatement createDeclared(final BoundStmtCtx<Absolute> ctx,
78 final ImmutableList<DeclaredStatement<?>> substatements) {
79 return DeclaredStatements.createDeviation(ctx.getRawArgument(), ctx.getArgument(), substatements);
83 protected DeviationStatement attachDeclarationReference(final DeviationStatement stmt,
84 final DeclarationReference reference) {
85 return DeclaredStatementDecorators.decorateDeviation(stmt, reference);
89 protected DeviationEffectiveStatement createEffective(final Current<Absolute, DeviationStatement> stmt,
90 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
91 return EffectiveStatements.createDeviation(stmt.declared(), substatements);