2 * Copyright (c) 2015 Cisco Systems, Inc. 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.stmt.rfc6020;
10 import java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.List;
13 import javax.annotation.Nonnull;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
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.parser.spi.IdentityNamespace;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.DerivedIdentitiesNamespace;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
33 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.BaseEffectiveStatementImpl;
35 public class BaseStatementImpl extends AbstractDeclaredStatement<QName> implements BaseStatement {
36 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
37 SubstatementValidator.builder(YangStmtMapping.BASE).build();
39 protected BaseStatementImpl(final StmtContext<QName, BaseStatement, ?> context) {
43 public static class Definition
44 extends AbstractStatementSupport<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> {
47 super(YangStmtMapping.BASE);
51 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
52 return StmtContextUtils.qnameFromArgument(ctx, value);
56 public BaseStatement createDeclared(final StmtContext<QName, BaseStatement, ?> ctx) {
57 return new BaseStatementImpl(ctx);
61 public EffectiveStatement<QName, BaseStatement> createEffective(
62 final StmtContext<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> ctx) {
63 return new BaseEffectiveStatementImpl(ctx);
67 public void onStatementDefinitionDeclared(
68 final Mutable<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> baseStmtCtx) {
69 final Mutable<?, ?, ?> baseParentCtx = baseStmtCtx.getParentContext();
70 if (StmtContextUtils.producesDeclared(baseParentCtx, IdentityStatement.class)) {
72 final QName baseIdentityQName = baseStmtCtx.getStatementArgument();
73 final ModelActionBuilder baseIdentityAction = baseStmtCtx.newInferenceAction(
74 ModelProcessingPhase.STATEMENT_DEFINITION);
75 final Prerequisite<StmtContext<?, ?, ?>> requiresPrereq = baseIdentityAction.requiresCtx(baseStmtCtx,
76 IdentityNamespace.class, baseIdentityQName, ModelProcessingPhase.STATEMENT_DEFINITION);
77 final Prerequisite<StmtContext.Mutable<?, ?, ?>> mutatesPrereq = baseIdentityAction.mutatesCtx(
78 baseParentCtx, ModelProcessingPhase.STATEMENT_DEFINITION);
80 baseIdentityAction.apply(new InferenceAction() {
82 public void apply(final InferenceContext ctx) {
83 List<StmtContext<?, ?, ?>> derivedIdentities = baseStmtCtx.getFromNamespace(
84 DerivedIdentitiesNamespace.class, baseStmtCtx.getStatementArgument());
85 if (derivedIdentities == null) {
86 derivedIdentities = new ArrayList<>(1);
87 baseStmtCtx.addToNs(DerivedIdentitiesNamespace.class, baseIdentityQName, derivedIdentities);
89 derivedIdentities.add(baseParentCtx);
93 public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
94 throw new InferenceException(baseStmtCtx.getStatementSourceReference(),
95 "Unable to resolve identity %s and base identity %s",
96 baseParentCtx.getStatementArgument(), baseStmtCtx.getStatementArgument());
103 protected SubstatementValidator getSubstatementValidator() {
104 return SUBSTATEMENT_VALIDATOR;
110 public QName getName() {