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 static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.FULL_DECLARATION;
12 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
14 import java.util.Collection;
15 import org.opendaylight.yangtools.yang.common.QName;
16 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.RefineStatement;
23 import org.opendaylight.yangtools.yang.model.api.stmt.StatusStatement;
24 import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement;
25 import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
26 import org.opendaylight.yangtools.yang.parser.spi.GroupingNamespace;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
35 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
36 import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
37 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.UsesEffectiveStatementImpl;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
42 public class UsesStatementImpl extends AbstractDeclaredStatement<QName> implements UsesStatement {
44 private static final Logger LOG = LoggerFactory.getLogger(UsesStatementImpl.class);
46 protected UsesStatementImpl(StmtContext<QName, UsesStatement, ?> context) {
50 public static class Definition extends
51 AbstractStatementSupport<QName, UsesStatement, EffectiveStatement<QName, UsesStatement>> {
54 super(Rfc6020Mapping.USES);
58 public QName parseArgumentValue(StmtContext<?, ?, ?> ctx, String value) {
59 return Utils.qNameFromArgument(ctx, value);
63 public void onFullDefinitionDeclared(
64 final StmtContext.Mutable<QName, UsesStatement, EffectiveStatement<QName, UsesStatement>> usesNode)
65 throws SourceException {
67 if(StmtContextUtils.isInExtensionBody(usesNode)) {
71 ModelActionBuilder usesAction = usesNode.newInferenceAction(ModelProcessingPhase.EFFECTIVE_MODEL);
72 final QName groupingName = usesNode.getStatementArgument();
74 final Prerequisite<StmtContext<?, ?, ?>> sourceGroupingPre = usesAction.requiresCtx(usesNode,
75 GroupingNamespace.class, groupingName, ModelProcessingPhase.EFFECTIVE_MODEL);
76 final Prerequisite<? extends StmtContext.Mutable<?, ?, ?>> targetNodePre = usesAction.mutatesEffectiveCtx(
77 usesNode.getParentContext());
79 usesAction.apply(new InferenceAction() {
82 public void apply() throws InferenceException {
83 StatementContextBase<?, ?, ?> targetNodeStmtCtx = (StatementContextBase<?, ?, ?>) targetNodePre.get();
84 StatementContextBase<?, ?, ?> sourceGrpStmtCtx = (StatementContextBase<?, ?, ?>) sourceGroupingPre.get();
87 GroupingUtils.copyFromSourceToTarget(sourceGrpStmtCtx, targetNodeStmtCtx, usesNode);
88 GroupingUtils.resolveUsesNode(usesNode, targetNodeStmtCtx);
89 } catch (SourceException e) {
90 LOG.warn(e.getMessage(), e);
96 public void prerequisiteFailed(Collection<? extends Prerequisite<?>> failed) throws InferenceException {
97 if (failed.contains(sourceGroupingPre)) {
98 throw new InferenceException("Grouping " + groupingName + " was not resolved.", usesNode
99 .getStatementSourceReference());
101 throw new InferenceException("Unknown error occurred.", usesNode.getStatementSourceReference());
107 public UsesStatement createDeclared(StmtContext<QName, UsesStatement, ?> ctx) {
108 return new UsesStatementImpl(ctx);
112 public EffectiveStatement<QName, UsesStatement> createEffective(
113 StmtContext<QName, UsesStatement, EffectiveStatement<QName, UsesStatement>> ctx) {
114 return new UsesEffectiveStatementImpl(ctx);
120 public QName getName() {
125 public WhenStatement getWhenStatement() {
126 return firstDeclared(WhenStatement.class);
130 public Collection<? extends IfFeatureStatement> getIfFeatures() {
131 return allDeclared(IfFeatureStatement.class);
135 public StatusStatement getStatus() {
136 return firstDeclared(StatusStatement.class);
140 public DescriptionStatement getDescription() {
141 return firstDeclared(DescriptionStatement.class);
145 public ReferenceStatement getReference() {
146 return firstDeclared(ReferenceStatement.class);
150 public Collection<? extends AugmentStatement> getAugments() {
151 return allDeclared(AugmentStatement.class);
155 public Collection<? extends RefineStatement> getRefines() {
156 return allDeclared(RefineStatement.class);