/*
* 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.parser.stmt.rfc6020.effective;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Multimaps;
import com.google.common.collect.SetMultimap;
import java.net.URI;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.TreeMap;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.util.ModuleIdentifierImpl;
import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
public final class EffectiveSchemaContext extends AbstractEffectiveSchemaContext {
private final SetMultimap<URI, Module> namespaceToModules;
private final SetMultimap<String, Module> nameToModules;
private final Set<Module> modules;
private final List<DeclaredStatement<?>> rootDeclaredStatements;
private final List<EffectiveStatement<?, ?>> rootEffectiveStatements;
private final Set<ModuleIdentifier> moduleIdentifiers;
public EffectiveSchemaContext(final List<DeclaredStatement<?>> rootDeclaredStatements,
final List<EffectiveStatement<?, ?>> rootEffectiveStatements) {
this.rootDeclaredStatements = ImmutableList.copyOf(rootDeclaredStatements);
this.rootEffectiveStatements = ImmutableList.copyOf(rootEffectiveStatements);
Set<Module> modulesInit = new HashSet<>();
for (EffectiveStatement<?, ?> rootEffectiveStatement : rootEffectiveStatements) {
if (rootEffectiveStatement instanceof ModuleEffectiveStatementImpl) {
Module module = (Module) rootEffectiveStatement;
modulesInit.add(module);
}
}
Module[] moduleArray = new Module[modulesInit.size()];
List<Module> sortedModuleList = ModuleDependencySort.sort(modulesInit.toArray(moduleArray));
this.modules = ImmutableSet.copyOf(sortedModuleList);
final SetMultimap<URI, Module> nsMap = Multimaps.newSetMultimap(
new TreeMap<>(), MODULE_SET_SUPPLIER);
final SetMultimap<String, Module> nameMap = Multimaps.newSetMultimap(
new TreeMap<>(), MODULE_SET_SUPPLIER);
Set<ModuleIdentifier> modIdBuilder = new HashSet<>();
for (Module m : modulesInit) {
nameMap.put(m.getName(), m);
nsMap.put(m.getNamespace(), m);
modIdBuilder.add(ModuleIdentifierImpl.create(m.getName(), Optional.of(m.getNamespace()),
Optional.of(m.getRevision())));
resolveSubmoduleIdentifiers(m.getSubmodules(), modIdBuilder);
}
namespaceToModules = ImmutableSetMultimap.copyOf(nsMap);
nameToModules = ImmutableSetMultimap.copyOf(nameMap);
moduleIdentifiers = ImmutableSet.copyOf(modIdBuilder);
}
public EffectiveSchemaContext(final Set<Module> modules) {
/*
* Instead of doing this on each invocation of getModules(), pre-compute
* it once and keep it around -- better than the set we got in.
*/
this.modules = ImmutableSet.copyOf(ModuleDependencySort.sort(modules.toArray(new Module[modules.size()])));
/*
* The most common lookup is from Namespace->Module.
*
* RESTCONF performs lookups based on module name only, where it wants
* to receive the latest revision
*
* Invest some quality time in building up lookup tables for both.
*/
final SetMultimap<URI, Module> nsMap = Multimaps.newSetMultimap(
new TreeMap<>(), MODULE_SET_SUPPLIER);
final SetMultimap<String, Module> nameMap = Multimaps.newSetMultimap(
new TreeMap<>(), MODULE_SET_SUPPLIER);
Set<ModuleIdentifier> modIdBuilder = new HashSet<>();
for (Module m : modules) {
nameMap.put(m.getName(), m);
nsMap.put(m.getNamespace(), m);
modIdBuilder.add(ModuleIdentifierImpl.create(m.getName(), Optional.of(m.getNamespace()),
Optional.of(m.getRevision())));
resolveSubmoduleIdentifiers(m.getSubmodules(), modIdBuilder);
}
namespaceToModules = ImmutableSetMultimap.copyOf(nsMap);
nameToModules = ImmutableSetMultimap.copyOf(nameMap);
moduleIdentifiers = ImmutableSet.copyOf(modIdBuilder);
rootDeclaredStatements = ImmutableList.of();
rootEffectiveStatements = ImmutableList.of();
}
public static SchemaContext resolveSchemaContext(final Set<Module> modules) {
return new EffectiveSchemaContext(modules);
}
private static void resolveSubmoduleIdentifiers(final Set<Module> submodules, final Set<ModuleIdentifier> modIdBuilder) {
for (Module submodule : submodules) {
modIdBuilder.add(ModuleIdentifierImpl.create(submodule.getName(),
Optional.of(submodule.getNamespace()), Optional.of(submodule.getRevision())));
}
}
public List<DeclaredStatement<?>> getRootDeclaredStatements() {
return rootDeclaredStatements;
}
public List<EffectiveStatement<?, ?>> getRootEffectiveStatements() {
return rootEffectiveStatements;
}
@Override
protected Map<ModuleIdentifier, String> getIdentifiersToSources() {
return ImmutableMap.of();
}
@Override
public Set<Module> getModules() {
return modules;
}
@Override
protected SetMultimap<URI, Module> getNamespaceToModules() {
return namespaceToModules;
}
@Override
protected SetMultimap<String, Module> getNameToModules() {
return nameToModules;
}
@Override
public Set<ModuleIdentifier> getAllModuleIdentifiers() {
return moduleIdentifiers;
}
@Override
public String toString() {
return String.format("EffectiveSchemaContext{modules=%s}", modules);
}
}