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.reactor;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.base.Verify;
13 import java.util.Collection;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.common.QNameModule;
16 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.ChoiceStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.RefineStatement;
23 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
24 import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.NamespaceStorageNode;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.Registry;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.QNameCacheNamespace;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
30 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
31 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace;
32 import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace.ValidationBundleType;
33 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.GroupingUtils;
34 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.Utils;
36 final class SubstatementContext<A, D extends DeclaredStatement<A>, E extends EffectiveStatement<A, D>>
37 extends StatementContextBase<A, D, E> {
39 private final StatementContextBase<?, ?, ?> parent;
40 private final A argument;
41 private volatile SchemaPath schemaPath;
43 SubstatementContext(final StatementContextBase<?, ?, ?> parent,
44 final ContextBuilder<A, D, E> builder) throws SourceException {
46 this.parent = Preconditions.checkNotNull(parent, "Parent must not be null");
47 this.argument = builder.getDefinition().parseArgumentValue(this, builder.getRawArgument());
50 @SuppressWarnings("unchecked")
51 SubstatementContext(final SubstatementContext<A, D, E> original,
52 final QNameModule newQNameModule,
53 final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy) {
55 this.parent = newParent;
57 if (newQNameModule != null) {
58 if (original.argument instanceof QName) {
59 QName originalQName = (QName) original.argument;
61 getFromNamespace(QNameCacheNamespace.class,
62 QName.create(newQNameModule, originalQName.getLocalName()));
63 } else if (StmtContextUtils.producesDeclared(original, KeyStatement.class)) {
64 this.argument = (A) StmtContextUtils.replaceModuleQNameForKey(
65 (StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?>) original,
68 this.argument = original.argument;
71 this.argument = original.argument;
76 private void copyDeclaredStmts(final SubstatementContext<A, D, E> original,
77 final QNameModule newQNameModule, final TypeOfCopy typeOfCopy)
78 throws SourceException {
79 Collection<? extends StatementContextBase<?, ?, ?>> originalDeclaredSubstatements = original
80 .declaredSubstatements();
81 for (StatementContextBase<?, ?, ?> stmtContext : originalDeclaredSubstatements) {
82 if (GroupingUtils.needToCopyByUses(stmtContext)) {
83 StatementContextBase<?, ?, ?> copy = stmtContext.createCopy(
84 newQNameModule, this, typeOfCopy);
85 this.addEffectiveSubstatement(copy);
86 } else if (GroupingUtils.isReusedByUses(stmtContext)) {
87 this.addEffectiveSubstatement(stmtContext);
92 private void copyEffectiveStmts(final SubstatementContext<A, D, E> original,
93 final QNameModule newQNameModule, final TypeOfCopy typeOfCopy)
94 throws SourceException {
95 Collection<? extends StatementContextBase<?, ?, ?>> originalEffectiveSubstatements = original
96 .effectiveSubstatements();
97 for (StatementContextBase<?, ?, ?> stmtContext : originalEffectiveSubstatements) {
98 if (GroupingUtils.needToCopyByUses(stmtContext)) {
99 StatementContextBase<?, ?, ?> copy = stmtContext.createCopy(
100 newQNameModule, this, typeOfCopy);
101 this.addEffectiveSubstatement(copy);
102 } else if (GroupingUtils.isReusedByUses(stmtContext)) {
103 this.addEffectiveSubstatement(stmtContext);
109 public StatementContextBase<?, ?, ?> getParentContext() {
114 public NamespaceStorageNode getParentNamespaceStorage() {
119 public Registry getBehaviourRegistry() {
120 return parent.getBehaviourRegistry();
124 public RootStatementContext<?, ?, ?> getRoot() {
125 return parent.getRoot();
129 public A getStatementArgument() {
134 public StatementContextBase<?, ?, ?> createCopy(
135 final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy)
136 throws SourceException {
137 return createCopy(null, newParent, typeOfCopy);
141 public StatementContextBase<A, D, E> createCopy(final QNameModule newQNameModule,
142 final StatementContextBase<?, ?, ?> newParent, final TypeOfCopy typeOfCopy)
143 throws SourceException {
144 SubstatementContext<A, D, E> copy = new SubstatementContext<>(this, newQNameModule, newParent, typeOfCopy);
146 copy.addAllToCopyHistory(this.getCopyHistory());
147 copy.addToCopyHistory(typeOfCopy);
149 if(this.getOriginalCtx() != null) {
150 copy.setOriginalCtx(this.getOriginalCtx());
152 copy.setOriginalCtx(this);
155 definition().onStatementAdded(copy);
157 copy.copyDeclaredStmts(this, newQNameModule, typeOfCopy);
158 copy.copyEffectiveStmts(this, newQNameModule, typeOfCopy);
162 private boolean isSupportedAsShorthandCase() {
163 final Collection<?> supportedCaseShorthands = getFromNamespace(ValidationBundlesNamespace.class,
164 ValidationBundleType.SUPPORTED_CASE_SHORTHANDS);
165 return supportedCaseShorthands == null || supportedCaseShorthands.contains(getPublicDefinition());
168 private SchemaPath createSchemaPath() {
169 final Optional<SchemaPath> maybeParentPath = parent.getSchemaPath();
170 Verify.verify(maybeParentPath.isPresent(), "Parent %s does not have a SchemaPath", parent);
171 final SchemaPath parentPath = maybeParentPath.get();
173 if (argument instanceof QName) {
174 QName qname = (QName) argument;
175 if (StmtContextUtils.producesDeclared(this, UsesStatement.class)) {
176 return maybeParentPath.orNull();
179 final SchemaPath path;
180 if (StmtContextUtils.producesDeclared(getParentContext(), ChoiceStatement.class)
181 && isSupportedAsShorthandCase()) {
182 path = parentPath.createChild(qname);
186 return path.createChild(qname);
188 if (argument instanceof String) {
189 // FIXME: This may yield illegal argument exceptions
190 final StatementContextBase<?, ?, ?> originalCtx = getOriginalCtx();
191 final QName qname = (originalCtx != null) ? Utils.qNameFromArgument(originalCtx, (String) argument)
192 : Utils.qNameFromArgument(this, (String) argument);
193 return parentPath.createChild(qname);
195 if (argument instanceof SchemaNodeIdentifier &&
196 (StmtContextUtils.producesDeclared(this, AugmentStatement.class)
197 || StmtContextUtils.producesDeclared(this, RefineStatement.class))) {
199 return parentPath.createChild(((SchemaNodeIdentifier) argument).getPathFromRoot());
201 if (Utils.isUnknownNode(this)) {
202 return parentPath.createChild(getPublicDefinition().getStatementName());
205 // FIXME: this does not look right
206 return maybeParentPath.orNull();
210 public Optional<SchemaPath> getSchemaPath() {
211 SchemaPath local = schemaPath;
213 synchronized (this) {
216 local = createSchemaPath();
223 return Optional.fromNullable(local);
227 public boolean isRootContext() {