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.base;
10 import com.google.common.collect.ImmutableList;
11 import java.util.Collection;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.BaseStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
19 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
20 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
21 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
35 public final class BaseStatementSupport extends AbstractQNameStatementSupport<BaseStatement, BaseEffectiveStatement> {
36 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
37 SubstatementValidator.builder(YangStmtMapping.BASE).build();
38 private static final BaseStatementSupport INSTANCE = new BaseStatementSupport();
40 private BaseStatementSupport() {
41 super(YangStmtMapping.BASE, StatementPolicy.contextIndependent());
44 public static BaseStatementSupport getInstance() {
49 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
50 return StmtContextUtils.parseNodeIdentifier(ctx, value);
54 public void onStatementDefinitionDeclared(final Mutable<QName, BaseStatement, BaseEffectiveStatement> baseStmtCtx) {
55 final Mutable<?, ?, ?> baseParentCtx = baseStmtCtx.coerceParentContext();
56 if (baseParentCtx.producesDeclared(IdentityStatement.class)) {
57 final QName baseIdentityQName = baseStmtCtx.getArgument();
58 final ModelActionBuilder baseIdentityAction = baseStmtCtx.newInferenceAction(
59 ModelProcessingPhase.STATEMENT_DEFINITION);
60 baseIdentityAction.requiresCtx(baseStmtCtx, IdentityNamespace.class, baseIdentityQName,
61 ModelProcessingPhase.STATEMENT_DEFINITION);
62 baseIdentityAction.mutatesCtx(baseParentCtx, ModelProcessingPhase.STATEMENT_DEFINITION);
64 baseIdentityAction.apply(new InferenceAction() {
66 public void apply(final InferenceContext ctx) {
67 // No-op, we just want to ensure the statement is specified
71 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
72 throw new InferenceException(baseStmtCtx, "Unable to resolve identity %s and base identity %s",
73 baseParentCtx.argument(), baseStmtCtx.argument());
80 protected SubstatementValidator getSubstatementValidator() {
81 return SUBSTATEMENT_VALIDATOR;
85 protected BaseStatement createDeclared(final StmtContext<QName, BaseStatement, ?> ctx,
86 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
87 return DeclaredStatements.createBase(ctx.getArgument(), substatements);
91 protected BaseStatement createEmptyDeclared(final StmtContext<QName, BaseStatement, ?> ctx) {
92 return DeclaredStatements.createBase(ctx.getArgument());
96 protected BaseEffectiveStatement createEffective(final Current<QName, BaseStatement> stmt,
97 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
98 return EffectiveStatements.createBase(stmt.declared(), substatements);