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 java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.List;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.BaseStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
18 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.DerivedIdentitiesNamespace;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
32 public final class BaseStatementSupport
33 extends AbstractQNameStatementSupport<BaseStatement, EffectiveStatement<QName, BaseStatement>> {
34 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
35 SubstatementValidator.builder(YangStmtMapping.BASE).build();
36 private static final BaseStatementSupport INSTANCE = new BaseStatementSupport();
38 private BaseStatementSupport() {
39 super(YangStmtMapping.BASE);
42 public static BaseStatementSupport getInstance() {
47 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
48 return StmtContextUtils.parseNodeIdentifier(ctx, value);
52 public BaseStatement createDeclared(final StmtContext<QName, BaseStatement, ?> ctx) {
53 return new BaseStatementImpl(ctx);
57 public EffectiveStatement<QName, BaseStatement> createEffective(
58 final StmtContext<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> ctx) {
59 return new BaseEffectiveStatementImpl(ctx);
63 public void onStatementDefinitionDeclared(
64 final Mutable<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> baseStmtCtx) {
65 final Mutable<?, ?, ?> baseParentCtx = baseStmtCtx.getParentContext();
66 if (StmtContextUtils.producesDeclared(baseParentCtx, IdentityStatement.class)) {
68 final QName baseIdentityQName = baseStmtCtx.coerceStatementArgument();
69 final ModelActionBuilder baseIdentityAction = baseStmtCtx.newInferenceAction(
70 ModelProcessingPhase.STATEMENT_DEFINITION);
71 final Prerequisite<StmtContext<?, ?, ?>> requiresPrereq = baseIdentityAction.requiresCtx(baseStmtCtx,
72 IdentityNamespace.class, baseIdentityQName, ModelProcessingPhase.STATEMENT_DEFINITION);
73 final Prerequisite<StmtContext.Mutable<?, ?, ?>> mutatesPrereq = baseIdentityAction.mutatesCtx(
74 baseParentCtx, ModelProcessingPhase.STATEMENT_DEFINITION);
76 baseIdentityAction.apply(new InferenceAction() {
78 public void apply(final InferenceContext ctx) {
79 List<StmtContext<?, ?, ?>> derivedIdentities = baseStmtCtx.getFromNamespace(
80 DerivedIdentitiesNamespace.class, baseIdentityQName);
81 if (derivedIdentities == null) {
82 derivedIdentities = new ArrayList<>(1);
83 baseStmtCtx.addToNs(DerivedIdentitiesNamespace.class, baseIdentityQName, derivedIdentities);
85 derivedIdentities.add(baseParentCtx);
89 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
90 throw new InferenceException(baseStmtCtx.getStatementSourceReference(),
91 "Unable to resolve identity %s and base identity %s",
92 baseParentCtx.getStatementArgument(), baseStmtCtx.getStatementArgument());
99 protected SubstatementValidator getSubstatementValidator() {
100 return SUBSTATEMENT_VALIDATOR;