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.rfc7950.stmt.submodule;
10 import static com.google.common.base.Preconditions.checkState;
12 import com.google.common.collect.ImmutableList;
13 import com.google.common.collect.ImmutableMap;
14 import com.google.common.collect.ImmutableMap.Builder;
15 import com.google.common.collect.ImmutableSet;
16 import com.google.common.collect.Iterables;
17 import com.google.common.collect.Maps;
18 import java.util.Collection;
19 import java.util.HashSet;
21 import java.util.Map.Entry;
22 import java.util.Optional;
24 import org.eclipse.jdt.annotation.NonNull;
25 import org.opendaylight.yangtools.yang.common.QNameModule;
26 import org.opendaylight.yangtools.yang.common.Revision;
27 import org.opendaylight.yangtools.yang.common.UnresolvedQName.Unqualified;
28 import org.opendaylight.yangtools.yang.model.api.Submodule;
29 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToEffectiveStatement;
31 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleEffectiveStatement;
32 import org.opendaylight.yangtools.yang.model.api.stmt.RevisionEffectiveStatement;
33 import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleEffectiveStatement;
34 import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleStatement;
35 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractEffectiveModule;
36 import org.opendaylight.yangtools.yang.parser.spi.ParserNamespaces;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
38 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
39 import org.opendaylight.yangtools.yang.parser.spi.meta.MutableStatement;
40 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
41 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
43 final class SubmoduleEffectiveStatementImpl
44 extends AbstractEffectiveModule<SubmoduleStatement, SubmoduleEffectiveStatement>
45 implements Submodule, SubmoduleEffectiveStatement, MutableStatement {
46 private final ImmutableMap<String, ModuleEffectiveStatement> prefixToModule;
47 private final ImmutableMap<QNameModule, String> namespaceToPrefix;
48 private final QNameModule qnameModule;
50 private Set<StmtContext<?, SubmoduleStatement, SubmoduleEffectiveStatement>> submoduleContexts;
51 private ImmutableSet<Submodule> submodules;
52 private boolean sealed;
54 SubmoduleEffectiveStatementImpl(final Current<Unqualified, SubmoduleStatement> stmt,
55 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
56 super(stmt, substatements, findSubmodulePrefix(stmt, substatements));
58 final QNameModule belongsToModuleQName = stmt.namespaceItem(ParserNamespaces.MODULE_NAME_TO_QNAME,
59 findBelongsTo(stmt, substatements).argument());
61 final Builder<String, ModuleEffectiveStatement> prefixToModuleBuilder = ImmutableMap.builder();
62 appendPrefixes(stmt, prefixToModuleBuilder);
63 prefixToModule = prefixToModuleBuilder.build();
65 final Map<QNameModule, String> tmp = Maps.newLinkedHashMapWithExpectedSize(prefixToModule.size());
66 for (Entry<String, ModuleEffectiveStatement> e : prefixToModule.entrySet()) {
67 tmp.putIfAbsent(e.getValue().localQNameModule(), e.getKey());
69 namespaceToPrefix = ImmutableMap.copyOf(tmp);
71 final Optional<Revision> submoduleRevision = findFirstEffectiveSubstatementArgument(
72 RevisionEffectiveStatement.class);
73 qnameModule = QNameModule.ofRevision(belongsToModuleQName.namespace(), submoduleRevision.orElse(null))
77 * Because of possible circular chains of includes between submodules we can
78 * collect only submodule contexts here and then build them during
79 * sealing of this statement.
81 final Map<Unqualified, StmtContext<?, ?, ?>> includedSubmodulesMap = stmt.localNamespacePortion(
82 ParserNamespaces.INCLUDED_SUBMODULE_NAME_TO_MODULECTX);
83 if (includedSubmodulesMap != null) {
84 final Set<StmtContext<?, SubmoduleStatement, SubmoduleEffectiveStatement>> submoduleContextsInit =
86 for (final StmtContext<?, ?, ?> submoduleCtx : includedSubmodulesMap.values()) {
87 submoduleContextsInit.add(
88 (StmtContext<?, SubmoduleStatement, SubmoduleEffectiveStatement>)submoduleCtx);
90 submoduleContexts = ImmutableSet.copyOf(submoduleContextsInit);
92 submoduleContexts = ImmutableSet.of();
95 if (submoduleContexts.isEmpty()) {
96 submodules = ImmutableSet.of();
104 public QNameModule getQNameModule() {
109 public Collection<Entry<String, ModuleEffectiveStatement>> reachableModules() {
110 return prefixToModule.entrySet();
114 public Optional<ModuleEffectiveStatement> findReachableModule(final String prefix) {
115 return findValue(prefixToModule, prefix);
119 public Collection<Entry<QNameModule, String>> namespacePrefixes() {
120 return namespaceToPrefix.entrySet();
124 public Optional<String> findNamespacePrefix(final QNameModule namespace) {
125 return findValue(namespaceToPrefix, namespace);
129 public Collection<? extends @NonNull Submodule> getSubmodules() {
130 checkState(sealed, "Attempt to get base submodules from unsealed submodule effective statement %s",
136 public SubmoduleEffectiveStatement asEffectiveStatement() {
143 submodules = ImmutableSet.copyOf(Iterables.transform(submoduleContexts,
144 ctx -> (Submodule) ctx.buildEffective()));
145 submoduleContexts = ImmutableSet.of();
150 private static @NonNull BelongsToEffectiveStatement findBelongsTo(final CommonStmtCtx stmt,
151 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
152 return substatements.stream()
153 .filter(BelongsToEffectiveStatement.class::isInstance)
154 .map(BelongsToEffectiveStatement.class::cast)
155 .findAny().orElseThrow(() -> new SourceException(stmt,
156 "Unable to find belongs-to statement in submodule %s.", stmt.rawArgument()));
159 private static @NonNull String findSubmodulePrefix(final CommonStmtCtx stmt,
160 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
161 return findPrefix(stmt, findBelongsTo(stmt, substatements).effectiveSubstatements(), "submodule",
162 stmt.getRawArgument());