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();
37 public BaseStatementSupport() {
38 super(YangStmtMapping.BASE);
42 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
43 return StmtContextUtils.qnameFromArgument(ctx, value);
47 public BaseStatement createDeclared(final StmtContext<QName, BaseStatement, ?> ctx) {
48 return new BaseStatementImpl(ctx);
52 public EffectiveStatement<QName, BaseStatement> createEffective(
53 final StmtContext<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> ctx) {
54 return new BaseEffectiveStatementImpl(ctx);
58 public void onStatementDefinitionDeclared(
59 final Mutable<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> baseStmtCtx) {
60 final Mutable<?, ?, ?> baseParentCtx = baseStmtCtx.getParentContext();
61 if (StmtContextUtils.producesDeclared(baseParentCtx, IdentityStatement.class)) {
63 final QName baseIdentityQName = baseStmtCtx.getStatementArgument();
64 final ModelActionBuilder baseIdentityAction = baseStmtCtx.newInferenceAction(
65 ModelProcessingPhase.STATEMENT_DEFINITION);
66 final Prerequisite<StmtContext<?, ?, ?>> requiresPrereq = baseIdentityAction.requiresCtx(baseStmtCtx,
67 IdentityNamespace.class, baseIdentityQName, ModelProcessingPhase.STATEMENT_DEFINITION);
68 final Prerequisite<StmtContext.Mutable<?, ?, ?>> mutatesPrereq = baseIdentityAction.mutatesCtx(
69 baseParentCtx, ModelProcessingPhase.STATEMENT_DEFINITION);
71 baseIdentityAction.apply(new InferenceAction() {
73 public void apply(final InferenceContext ctx) {
74 List<StmtContext<?, ?, ?>> derivedIdentities = baseStmtCtx.getFromNamespace(
75 DerivedIdentitiesNamespace.class, baseStmtCtx.getStatementArgument());
76 if (derivedIdentities == null) {
77 derivedIdentities = new ArrayList<>(1);
78 baseStmtCtx.addToNs(DerivedIdentitiesNamespace.class, baseIdentityQName, derivedIdentities);
80 derivedIdentities.add(baseParentCtx);
84 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
85 throw new InferenceException(baseStmtCtx.getStatementSourceReference(),
86 "Unable to resolve identity %s and base identity %s",
87 baseParentCtx.getStatementArgument(), baseStmtCtx.getStatementArgument());
94 protected SubstatementValidator getSubstatementValidator() {
95 return SUBSTATEMENT_VALIDATOR;