package org.opendaylight.yangtools.yang.parser.util;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Function;
import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
import java.net.URI;
import java.util.Arrays;
-import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.opendaylight.yangtools.yang.common.YangVersion;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.ModuleImport;
-import org.opendaylight.yangtools.yang.parser.util.TopologicalSort.Node;
import org.opendaylight.yangtools.yang.parser.util.TopologicalSort.NodeImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class ModuleDependencySort {
private static final Date DEFAULT_REVISION = SimpleDateFormatUtil.DEFAULT_DATE_REV;
- private static final Logger LOGGER = LoggerFactory.getLogger(ModuleDependencySort.class);
- private static final Function<Node, Module> TOPOLOGY_FUNCTION = input -> {
- if (input == null) {
- return null;
- }
- return ((ModuleNodeImpl) input).getReference();
- };
+ private static final Logger LOG = LoggerFactory.getLogger(ModuleDependencySort.class);
/**
* It is not desirable to instance this class
public static List<Module> sort(final Iterable<Module> modules) {
final List<TopologicalSort.Node> sorted = sortInternal(modules);
// Cast to Module from Node and return
- return Lists.transform(sorted, TOPOLOGY_FUNCTION);
+ return Lists.transform(sorted, input -> input == null ? null : ((ModuleNodeImpl) input).getReference());
}
private static List<TopologicalSort.Node> sortInternal(final Iterable<Module> modules) {
final Map<String, Map<Date, ModuleNodeImpl>> moduleGraph = createModuleGraph(modules);
- final Set<TopologicalSort.Node> nodes = Sets.newHashSet();
+ final Set<TopologicalSort.Node> nodes = new HashSet<>();
for (final Map<Date, ModuleNodeImpl> map : moduleGraph.values()) {
- for (final ModuleNodeImpl node : map.values()) {
- nodes.add(node);
- }
+ nodes.addAll(map.values());
}
return TopologicalSort.sort(nodes);
@VisibleForTesting
static Map<String, Map<Date, ModuleNodeImpl>> createModuleGraph(final Iterable<Module> builders) {
- final Map<String, Map<Date, ModuleNodeImpl>> moduleGraph = Maps.newHashMap();
+ final Map<String, Map<Date, ModuleNodeImpl>> moduleGraph = new HashMap<>();
processModules(moduleGraph, builders);
processDependencies(moduleGraph, builders);
// Create edges in graph
for (final Module module : mmbs) {
- final Map<String, Date> imported = Maps.newHashMap();
-
- String fromName;
- Date fromRevision;
- Collection<ModuleImport> imports;
- URI ns;
-
- fromName = module.getName();
- fromRevision = module.getRevision();
- imports = module.getImports();
- ns = module.getNamespace();
+ final Map<String, Date> imported = new HashMap<>();
+ final String fromName = module.getName();
+ final URI ns = module.getNamespace();
+ Date fromRevision = module.getRevision();
// check for existence of module with same namespace
- if (allNS.containsKey(ns)) {
- final Module mod = allNS.get(ns);
- final String name = mod.getName();
- final Date revision = mod.getRevision();
+ final Module prev = allNS.putIfAbsent(ns, module);
+ if (prev != null) {
+ final String name = prev.getName();
if (!fromName.equals(name)) {
- LOGGER.warn(
- "Error while sorting module [{}, {}]: module with same namespace ({}) already loaded: [{}, {}]",
- fromName, fromRevision, ns, name, revision);
+ LOG.warn("Error while sorting module [{}, {}]: module with same namespace ({}) already loaded:"
+ + " [{}, {}]", fromName, fromRevision, ns, name, prev.getRevision());
}
- } else {
- allNS.put(ns, module);
}
// no need to check if other Type of object, check is performed in
fromRevision = DEFAULT_REVISION;
}
- for (final ModuleImport imprt : imports) {
+ for (final ModuleImport imprt : module.getImports()) {
final String toName = imprt.getModuleName();
final Date toRevision = imprt.getRevision() == null ? DEFAULT_REVISION : imprt.getRevision();
* If it is an yang 1 module, check imports: If module is imported twice with different
* revisions then throw exception
*/
- if (YangVersion.VERSION_1.toString().equals(module.getYangVersion()) && imported.get(toName) != null
- && !imported.get(toName).equals(toRevision) && !imported.get(toName).equals(DEFAULT_REVISION)
- && !toRevision.equals(DEFAULT_REVISION)) {
- ex(String.format("Module:%s imported twice with different revisions:%s, %s", toName,
- formatRevDate(imported.get(toName)), formatRevDate(toRevision)));
+ if (YangVersion.VERSION_1.toString().equals(module.getYangVersion())) {
+ final Date impRevision = imported.get(toName);
+ if (impRevision != null && !impRevision.equals(toRevision)
+ && !DEFAULT_REVISION.equals(impRevision) && !DEFAULT_REVISION.equals(toRevision)) {
+ throw new YangValidationException(String.format(
+ "Module:%s imported twice with different revisions:%s, %s", toName,
+ formatRevDate(impRevision), formatRevDate(toRevision)));
+ }
}
imported.put(toName, toRevision);
*/
private static ModuleNodeImpl getModuleByNameAndRevision(final Map<String, Map<Date, ModuleNodeImpl>> moduleGraph,
final String fromName, final Date fromRevision, final String toName, final Date toRevision) {
- ModuleNodeImpl to = null;
-
- if (moduleGraph.get(toName) == null || !moduleGraph.get(toName).containsKey(toRevision)) {
- // If revision is not specified in import, but module exists
- // with different revisions, take first
- if (moduleGraph.get(toName) != null && !moduleGraph.get(toName).isEmpty()
- && toRevision.equals(DEFAULT_REVISION)) {
- to = moduleGraph.get(toName).values().iterator().next();
- LOGGER.trace(String
- .format("Import:%s:%s by module:%s:%s does not specify revision, using:%s:%s for module dependency sort",
- toName, formatRevDate(toRevision), fromName, formatRevDate(fromRevision), to.getName(),
- formatRevDate(to.getRevision())));
- } else {
- LOGGER.warn(String.format("Not existing module imported:%s:%s by:%s:%s", toName,
- formatRevDate(toRevision), fromName, formatRevDate(fromRevision)));
- LOGGER.warn("Available models: {}", moduleGraph);
- ex(String.format("Not existing module imported:%s:%s by:%s:%s", toName, formatRevDate(toRevision),
- fromName, formatRevDate(fromRevision)));
+
+ final Map<Date, ModuleNodeImpl> modulerevs = moduleGraph.get(toName);
+ if (modulerevs != null) {
+ final ModuleNodeImpl exact = modulerevs.get(toRevision);
+ if (exact != null) {
+ return exact;
+ }
+
+ // If revision is not specified in import, but module exists with different revisions, take first one
+ if (DEFAULT_REVISION.equals(toRevision) && !modulerevs.isEmpty()) {
+ final ModuleNodeImpl first = modulerevs.values().iterator().next();
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Import:{}:{} by module:{}:{} does not specify revision, using:{}:{}"
+ + " for module dependency sort", toName, formatRevDate(toRevision), fromName,
+ formatRevDate(fromRevision), first.getName(), formatRevDate(first.getRevision()));
+ }
+ return first;
}
- } else {
- to = moduleGraph.get(toName).get(toRevision);
}
- return to;
- }
- private static void ex(final String message) {
- throw new YangValidationException(message);
+ LOG.warn("Not existing module imported:{}:{} by:{}:{}", toName, formatRevDate(toRevision), fromName,
+ formatRevDate(fromRevision));
+ LOG.warn("Available models: {}", moduleGraph);
+ throw new YangValidationException(String.format("Not existing module imported:%s:%s by:%s:%s", toName,
+ formatRevDate(toRevision), fromName, formatRevDate(fromRevision)));
}
/**
rev = DEFAULT_REVISION;
}
- if (moduleGraph.get(name) == null) {
- moduleGraph.put(name, Maps.newHashMap());
- }
-
- if (moduleGraph.get(name).get(rev) != null) {
- ex(String.format("Module:%s with revision:%s declared twice", name, formatRevDate(rev)));
+ final Map<Date, ModuleNodeImpl> revs = moduleGraph.computeIfAbsent(name, key -> new HashMap<>(2));
+ if (revs.containsKey(rev)) {
+ throw new YangValidationException(String.format("Module:%s with revision:%s declared twice", name,
+ formatRevDate(rev)));
}
- moduleGraph.get(name).put(rev, new ModuleNodeImpl(name, rev, momb));
+ revs.put(rev, new ModuleNodeImpl(name, rev, momb));
}
}