+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.yangtools.yang.model.util;
-import com.google.common.base.Optional;
-import com.google.common.base.Supplier;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Multimaps;
import com.google.common.collect.SetMultimap;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
import java.net.URI;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
-import java.util.Date;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import java.util.Set;
import java.util.TreeSet;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
-import org.opendaylight.yangtools.yang.model.api.ConstraintDefinition;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.Revision;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
+import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.api.Status;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.UsesNode;
-
public abstract class AbstractSchemaContext implements SchemaContext {
+ /**
+ * A {@link Module} comparator based on {@link Module#getRevision()}, placing latest revision first. Note this
+ * comparator does not take into account module name and so two modules with different names but same revisions
+ * compare as equal.
+ */
+ protected static final Comparator<Module> REVISION_COMPARATOR =
+ (first, second) -> Revision.compare(second.getRevision(), first.getRevision());
- protected static final Supplier<TreeSet<Module>> MODULE_SET_SUPPLIER = new Supplier<TreeSet<Module>>() {
- @Override
- public TreeSet<Module> get() {
- return new TreeSet<>(REVISION_COMPARATOR);
- }
+ /**
+ * A {@link Module} comparator based on {@link Module#getName()} and {@link Module#getRevision()}, ordering modules
+ * lexicographically by their name and then in order of descending revision. This comparator assumes that
+ * the combination of these two attributes is sufficient to be consistent with hashCode/equals.
+ */
+ protected static final Comparator<Module> NAME_REVISION_COMPARATOR = (first, second) -> {
+ final int cmp = first.getName().compareTo(second.getName());
+ return cmp != 0 ? cmp : REVISION_COMPARATOR.compare(first, second);
};
- protected static final Comparator<Module> REVISION_COMPARATOR = new Comparator<Module>() {
- @Override
- public int compare(final Module o1, final Module o2) {
- if (o2.getRevision() == null) {
- return -1;
- }
+ /**
+ * Create a TreeSet for containing Modules with the same name, such that the set is ordered
+ * by {@link #REVISION_COMPARATOR}.
+ *
+ * @return A fresh TreeSet instance.
+ */
+ protected static final TreeSet<Module> createModuleSet() {
+ return new TreeSet<>(REVISION_COMPARATOR);
+ }
- return o2.getRevision().compareTo(o1.getRevision());
+ private static final VarHandle DERIVED_IDENTITIES;
+
+ static {
+ try {
+ DERIVED_IDENTITIES = MethodHandles.lookup().findVarHandle(AbstractSchemaContext.class, "derivedIdentities",
+ ImmutableMap.class);
+ } catch (NoSuchFieldException | IllegalAccessException e) {
+ throw new ExceptionInInitializerError(e);
}
- };
+ }
- /**
- * @return yang sources where key is ModuleIdentifier
- */
- protected abstract Map<ModuleIdentifier, String> getIdentifiersToSources();
+ // Accessed via DERIVED_IDENTITIES
+ @SuppressWarnings("unused")
+ private volatile ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>> derivedIdentities = null;
/**
+ * Returns the namespace-to-module mapping.
+ *
* @return Map of modules where key is namespace
*/
protected abstract SetMultimap<URI, Module> getNamespaceToModules();
/**
+ * Returns the module name-to-module mapping.
+ *
* @return Map of modules where key is name of module
*/
protected abstract SetMultimap<String, Module> getNameToModules();
+ /**
+ * Returns the namespace+revision-to-module mapping.
+ *
+ * @return Map of modules where key is Module's QNameModule.
+ */
+ protected abstract Map<QNameModule, Module> getModuleMap();
+
@Override
- public Set<DataSchemaNode> getDataDefinitions() {
+ public Collection<? extends DataSchemaNode> getDataDefinitions() {
final Set<DataSchemaNode> dataDefs = new HashSet<>();
for (Module m : getModules()) {
dataDefs.addAll(m.getChildNodes());
}
@Override
- public Set<NotificationDefinition> getNotifications() {
+ public Collection<? extends NotificationDefinition> getNotifications() {
final Set<NotificationDefinition> notifications = new HashSet<>();
for (Module m : getModules()) {
notifications.addAll(m.getNotifications());
}
@Override
- public Set<RpcDefinition> getOperations() {
+ public Collection<? extends RpcDefinition> getOperations() {
final Set<RpcDefinition> rpcs = new HashSet<>();
for (Module m : getModules()) {
rpcs.addAll(m.getRpcs());
}
@Override
- public Set<ExtensionDefinition> getExtensions() {
+ public Collection<? extends ExtensionDefinition> getExtensions() {
final Set<ExtensionDefinition> extensions = new HashSet<>();
for (Module m : getModules()) {
extensions.addAll(m.getExtensionSchemaNodes());
}
@Override
- public Module findModuleByName(final String name, final Date revision) {
+ public Optional<? extends Module> findModule(final String name, final Optional<Revision> revision) {
for (final Module module : getNameToModules().get(name)) {
- if (revision == null || revision.equals(module.getRevision())) {
- return module;
- }
- }
-
- return null;
- }
-
- @Override
- public Set<Module> findModuleByNamespace(final URI namespace) {
- final Set<Module> ret = getNamespaceToModules().get(namespace);
- return ret == null ? Collections.<Module>emptySet() : ret;
- }
-
- @Override
- public Module findModuleByNamespaceAndRevision(final URI namespace, final Date revision) {
- if (namespace == null) {
- return null;
- }
- for (Module module : findModuleByNamespace(namespace)) {
- if (revision == null || revision.equals(module.getRevision())) {
- return module;
+ if (revision.equals(module.getRevision())) {
+ return Optional.of(module);
}
}
- return null;
- }
- @Override
- public boolean isAugmenting() {
- return false;
+ return Optional.empty();
}
@Override
- public boolean isAddedByUses() {
- return false;
+ public Optional<Module> findModule(final QNameModule qnameModule) {
+ return Optional.ofNullable(getModuleMap().get(qnameModule));
}
@Override
- public boolean isConfiguration() {
- return false;
+ public Collection<? extends Module> findModules(final URI namespace) {
+ return getNamespaceToModules().get(namespace);
}
@Override
- public ConstraintDefinition getConstraints() {
- return null;
+ public Collection<? extends Module> findModules(final String name) {
+ return getNameToModules().get(name);
}
@Override
- public QName getQName() {
- return SchemaContext.NAME;
- }
-
- @Override
- public SchemaPath getPath() {
- return SchemaPath.ROOT;
- }
-
- @Override
- public String getDescription() {
- return null;
- }
-
- @Override
- public String getReference() {
- return null;
- }
-
- @Override
- public Status getStatus() {
- return Status.CURRENT;
- }
-
- @Override
- public List<UnknownSchemaNode> getUnknownSchemaNodes() {
+ public Collection<? extends UnknownSchemaNode> getUnknownSchemaNodes() {
final List<UnknownSchemaNode> result = new ArrayList<>();
for (Module module : getModules()) {
result.addAll(module.getUnknownSchemaNodes());
}
@Override
- public Set<TypeDefinition<?>> getTypeDefinitions() {
+ public Collection<? extends TypeDefinition<?>> getTypeDefinitions() {
final Set<TypeDefinition<?>> result = new LinkedHashSet<>();
for (Module module : getModules()) {
result.addAll(module.getTypeDefinitions());
}
@Override
- public Set<DataSchemaNode> getChildNodes() {
+ public Collection<? extends DataSchemaNode> getChildNodes() {
final Set<DataSchemaNode> result = new LinkedHashSet<>();
for (Module module : getModules()) {
result.addAll(module.getChildNodes());
}
@Override
- public Set<GroupingDefinition> getGroupings() {
+ public Collection<? extends GroupingDefinition> getGroupings() {
final Set<GroupingDefinition> result = new LinkedHashSet<>();
for (Module module : getModules()) {
result.addAll(module.getGroupings());
}
@Override
- public DataSchemaNode getDataChildByName(final QName name) {
+ public Optional<DataSchemaNode> findDataChildByName(final QName name) {
+ requireNonNull(name);
for (Module module : getModules()) {
- final DataSchemaNode result = module.getDataChildByName(name);
- if (result != null) {
+ final Optional<DataSchemaNode> result = module.findDataChildByName(name);
+ if (result.isPresent()) {
return result;
}
}
- return null;
+ return Optional.empty();
}
@Override
- public DataSchemaNode getDataChildByName(final String name) {
- for (Module module : getModules()) {
- final DataSchemaNode result = module.getDataChildByName(name);
- if (result != null) {
- return result;
- }
+ public Collection<? extends IdentitySchemaNode> getDerivedIdentities(final IdentitySchemaNode identity) {
+ ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>> local =
+ (ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>>)
+ DERIVED_IDENTITIES.getAcquire(this);
+ if (local == null) {
+ local = loadDerivedIdentities();
}
- return null;
+ final ImmutableSet<IdentitySchemaNode> result = local.get(requireNonNull(identity));
+ checkArgument(result != null, "Identity %s not found", identity);
+ return result;
}
- @Override
- public Set<UsesNode> getUses() {
- return Collections.emptySet();
- }
-
- @Override
- public boolean isPresenceContainer() {
- return false;
- }
-
- @Override
- public Set<AugmentationSchema> getAvailableAugmentations() {
- return Collections.emptySet();
- }
+ private ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>> loadDerivedIdentities() {
+ final SetMultimap<IdentitySchemaNode, IdentitySchemaNode> tmp =
+ Multimaps.newSetMultimap(new HashMap<>(), HashSet::new);
+ final List<IdentitySchemaNode> identities = new ArrayList<>();
+ for (Module module : getModules()) {
+ final Collection<? extends IdentitySchemaNode> ids = module.getIdentities();
+ for (IdentitySchemaNode identity : ids) {
+ for (IdentitySchemaNode base : identity.getBaseIdentities()) {
+ tmp.put(base, identity);
+ }
+ }
+ identities.addAll(ids);
+ }
- //FIXME: should work for submodules too
- @Override
- public Set<ModuleIdentifier> getAllModuleIdentifiers() {
- return getIdentifiersToSources().keySet();
- }
+ final ImmutableMap.Builder<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>> builder =
+ ImmutableMap.builderWithExpectedSize(identities.size());
+ for (IdentitySchemaNode identity : identities) {
+ builder.put(identity, ImmutableSet.copyOf(tmp.get(identity)));
+ }
- @Override
- public Optional<String> getModuleSource(final ModuleIdentifier moduleIdentifier) {
- String maybeSource = getIdentifiersToSources().get(moduleIdentifier);
- return Optional.fromNullable(maybeSource);
+ final ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>> result = builder.build();
+ final Object witness = DERIVED_IDENTITIES.compareAndExchangeRelease(this, null, result);
+ return witness == null ? result : (ImmutableMap<IdentitySchemaNode, ImmutableSet<IdentitySchemaNode>>) witness;
}
-
}
Code Review / yangtools.git / blobdiff