--- /dev/null
+/*
+ * Copyright (c) 2014 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.repo;
+
+import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateFluentFuture;
+
+import com.google.common.base.Function;
+import com.google.common.collect.Maps;
+import com.google.common.util.concurrent.AsyncFunction;
+import com.google.common.util.concurrent.FluentFuture;
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.concepts.SemVer;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParser;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParserException;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
+import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactoryConfiguration;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
+import org.opendaylight.yangtools.yang.model.repo.api.SemVerSourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode;
+import org.opendaylight.yangtools.yang.parser.rfc7950.ir.IRSchemaSource;
+import org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangModelDependencyInfo;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class AssembleSources implements AsyncFunction<List<IRSchemaSource>, EffectiveModelContext> {
+ private static final Logger LOG = LoggerFactory.getLogger(AssembleSources.class);
+
+ private final @NonNull Function<IRSchemaSource, SourceIdentifier> getIdentifier;
+ private final @NonNull SchemaContextFactoryConfiguration config;
+ private final @NonNull YangParserFactory parserFactory;
+
+ AssembleSources(final @NonNull YangParserFactory parserFactory,
+ final @NonNull SchemaContextFactoryConfiguration config) {
+ this.parserFactory = parserFactory;
+ this.config = config;
+ switch (config.getStatementParserMode()) {
+ case SEMVER_MODE:
+ this.getIdentifier = AssembleSources::getSemVerIdentifier;
+ break;
+ default:
+ this.getIdentifier = IRSchemaSource::getIdentifier;
+ }
+ }
+
+ @Override
+ public FluentFuture<EffectiveModelContext> apply(final List<IRSchemaSource> sources)
+ throws SchemaResolutionException, ReactorException {
+ final Map<SourceIdentifier, IRSchemaSource> srcs = Maps.uniqueIndex(sources, getIdentifier);
+ final Map<SourceIdentifier, YangModelDependencyInfo> deps =
+ Maps.transformValues(srcs, YangModelDependencyInfo::forIR);
+
+ LOG.debug("Resolving dependency reactor {}", deps);
+
+ final StatementParserMode statementParserMode = config.getStatementParserMode();
+ final DependencyResolver res = statementParserMode == StatementParserMode.SEMVER_MODE
+ ? SemVerDependencyResolver.create(deps) : RevisionDependencyResolver.create(deps);
+ if (!res.getUnresolvedSources().isEmpty()) {
+ LOG.debug("Omitting models {} due to unsatisfied imports {}", res.getUnresolvedSources(),
+ res.getUnsatisfiedImports());
+ throw new SchemaResolutionException("Failed to resolve required models",
+ res.getResolvedSources(), res.getUnsatisfiedImports());
+ }
+
+ final YangParser parser = parserFactory.createParser(statementParserMode);
+ config.getSupportedFeatures().ifPresent(parser::setSupportedFeatures);
+ config.getModulesDeviatedByModules().ifPresent(parser::setModulesWithSupportedDeviations);
+
+ for (final Entry<SourceIdentifier, IRSchemaSource> entry : srcs.entrySet()) {
+ try {
+ parser.addSource(entry.getValue());
+ } catch (YangSyntaxErrorException | IOException e) {
+ throw new SchemaResolutionException("Failed to add source " + entry.getKey(), e);
+ }
+ }
+
+ final EffectiveModelContext schemaContext;
+ try {
+ schemaContext = parser.buildEffectiveModel();
+ } catch (final YangParserException e) {
+ throw new SchemaResolutionException("Failed to resolve required models", e);
+ }
+
+ return immediateFluentFuture(schemaContext);
+ }
+
+ private static SemVerSourceIdentifier getSemVerIdentifier(final IRSchemaSource source) {
+ final SourceIdentifier identifier = source.getIdentifier();
+ final SemVer semver = YangModelDependencyInfo.findSemanticVersion(source.getRootStatement(), identifier);
+ if (identifier instanceof SemVerSourceIdentifier && semver == null) {
+ return (SemVerSourceIdentifier) identifier;
+ }
+
+ return SemVerSourceIdentifier.create(identifier.getName(), identifier.getRevision(), semver);
+ }
+}
\ No newline at end of file
--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o.
+ *
+ * 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.repo;
+
+import static com.google.common.base.Verify.verify;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.Stopwatch;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Iterables;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.SettableFuture;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
+import java.lang.ref.Cleaner;
+import java.lang.ref.Reference;
+import java.lang.ref.SoftReference;
+import java.lang.ref.WeakReference;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.function.Function;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.repo.api.EffectiveModelContextFactory;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactoryConfiguration;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.parser.rfc7950.ir.IRSchemaSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * An almost-simple cache. EffectiveModel computation is explicitly asynchronous and we are also threadless, i.e. we
+ * hijack repository threads to do our work.
+ */
+final class SharedEffectiveModelContextFactory implements EffectiveModelContextFactory {
+ private static final class CacheEntry {
+ private static final Function<EffectiveModelContext, Reference<EffectiveModelContext>> REF;
+ private static final VarHandle STATE;
+
+ static {
+ try {
+ STATE = MethodHandles.lookup().findVarHandle(CacheEntry.class, "state", Object.class);
+ } catch (NoSuchFieldException | IllegalAccessException e) {
+ throw new ExceptionInInitializerError(e);
+ }
+
+ String prop = System.getProperty("org.opendaylight.yangtools.yang.parser.repo.shared-refs", "weak");
+ switch (prop) {
+ case "soft":
+ REF = SoftReference::new;
+ break;
+ case "weak":
+ REF = WeakReference::new;
+ break;
+ default:
+ LOG.warn("Invalid shared-refs \"{}\", defaulting to weak references", prop);
+ prop = "weak";
+ REF = WeakReference::new;
+ }
+ LOG.info("Using {} references", prop);
+ }
+
+ // This field can be in one of two states:
+ // - SettableFuture, in which case the model is being computed
+ // - Reference, in which case the model is available through the reference (unless cleared)
+ @SuppressWarnings("unused")
+ private volatile Object state = SettableFuture.create();
+
+ @SuppressWarnings("unchecked")
+ @Nullable ListenableFuture<EffectiveModelContext> future() {
+ final Object local = STATE.getAcquire(this);
+ if (local instanceof SettableFuture) {
+ return (SettableFuture<EffectiveModelContext>) local;
+ }
+ verify(local instanceof Reference, "Unexpected state %s", local);
+ final EffectiveModelContext model = ((Reference<EffectiveModelContext>) local).get();
+ return model == null ? null : Futures.immediateFuture(model);
+ }
+
+ @SuppressWarnings("unchecked")
+ @NonNull SettableFuture<EffectiveModelContext> getFuture() {
+ final Object local = STATE.getAcquire(this);
+ verify(local instanceof SettableFuture, "Unexpected state %s", local);
+ return (SettableFuture<EffectiveModelContext>) local;
+ }
+
+ void resolve(final EffectiveModelContext context) {
+ final SettableFuture<EffectiveModelContext> future = getFuture();
+ // Publish a weak reference before triggering any listeners on the future so that newcomers can see it
+ final Object witness = STATE.compareAndExchangeRelease(this, future, REF.apply(context));
+ verify(witness == future, "Unexpected witness %s", witness);
+ future.set(context);
+ }
+ }
+
+
+ private static final Logger LOG = LoggerFactory.getLogger(SharedEffectiveModelContextFactory.class);
+ private static final Cleaner CLEANER = Cleaner.create();
+
+ private final ConcurrentMap<Set<SourceIdentifier>, CacheEntry> cache = new ConcurrentHashMap<>();
+ private final AssembleSources assembleSources;
+ private final SchemaRepository repository;
+
+ SharedEffectiveModelContextFactory(final @NonNull SharedSchemaRepository repository,
+ final @NonNull SchemaContextFactoryConfiguration config) {
+ this.repository = requireNonNull(repository);
+ this.assembleSources = new AssembleSources(repository.factory(), config);
+
+ }
+
+ @Override
+ public @NonNull ListenableFuture<EffectiveModelContext> createEffectiveModelContext(
+ final @NonNull Collection<SourceIdentifier> requiredSources) {
+ return createEffectiveModel(dedupSources(requiredSources));
+ }
+
+ @NonNull ListenableFuture<EffectiveModelContext> createEffectiveModel(final Set<SourceIdentifier> sources) {
+ final CacheEntry existing = cache.get(sources);
+ return existing != null ? acquireModel(sources, existing) : computeModel(sources);
+ }
+
+ // We may have an entry, but we do not know in what state it is in: it may be stable, it may be being built up
+ // or in process of being retired.
+ private @NonNull ListenableFuture<EffectiveModelContext> acquireModel(final Set<SourceIdentifier> sources,
+ final @NonNull CacheEntry entry) {
+ // Request a future from the entry, which indicates the context is either available or being constructed
+ final ListenableFuture<EffectiveModelContext> existing = entry.future();
+ if (existing != null) {
+ return existing;
+ }
+ // The entry cannot satisfy our request: remove it and fall back to computation
+ cache.remove(sources, entry);
+ return computeModel(sources);
+ }
+
+ private @NonNull ListenableFuture<EffectiveModelContext> computeModel(final Set<SourceIdentifier> sources) {
+ // Insert a new entry until we succeed or there is a workable entry
+ final CacheEntry ourEntry = new CacheEntry();
+ while (true) {
+ final CacheEntry prevEntry = cache.putIfAbsent(sources, ourEntry);
+ if (prevEntry == null) {
+ // successful insert
+ break;
+ }
+
+ // ... okay, we have raced, but is the entry still usable?
+ final ListenableFuture<EffectiveModelContext> existing = prevEntry.future();
+ if (existing != null) {
+ // .. yup, we are done here
+ return existing;
+ }
+
+ // ... no dice, remove the entry and retry
+ cache.remove(sources, prevEntry);
+ }
+
+ // Acquire the future first, then kick off computation. That way we do not need to worry about races around
+ // EffectiveModelContext being garbage-collected just after have computed it and before we have acquired a
+ // reference to it.
+ final ListenableFuture<EffectiveModelContext> result = ourEntry.getFuture();
+ resolveEntry(sources, ourEntry);
+ return result;
+ }
+
+ private void resolveEntry(final Set<SourceIdentifier> sources, final CacheEntry entry) {
+ LOG.debug("Starting assembly of {} sources", sources.size());
+ final Stopwatch sw = Stopwatch.createStarted();
+
+ // Request all sources be loaded
+ ListenableFuture<List<IRSchemaSource>> sf = Futures.allAsList(Collections2.transform(sources,
+ identifier -> repository.getSchemaSource(identifier, IRSchemaSource.class)));
+
+ // Detect mismatch between requested Source IDs and IDs that are extracted from parsed source
+ // Also remove duplicates if present
+ // We are relying on preserved order of uniqueSourceIdentifiers as well as sf
+ sf = Futures.transform(sf, new SourceIdMismatchDetector(sources), MoreExecutors.directExecutor());
+
+ // Assemble sources into a schema context
+ final ListenableFuture<EffectiveModelContext> cf = Futures.transformAsync(sf, assembleSources,
+ MoreExecutors.directExecutor());
+
+ // FIXME: we do not deal with invalidation here. We should monitor the repository for changes in source schemas
+ // and react appropriately:
+ // - in case we failed certainly want to invalidate the entry
+ // - in case of success ... that's something to consider
+ Futures.addCallback(cf, new FutureCallback<EffectiveModelContext>() {
+ @Override
+ public void onSuccess(final EffectiveModelContext result) {
+ LOG.debug("Finished assembly of {} sources in {}", sources.size(), sw);
+
+ // Remove the entry when the context is GC'd
+ final Stopwatch residence = Stopwatch.createStarted();
+ CLEANER.register(result, () -> {
+ LOG.debug("Removing entry after {}", residence);
+ cache.remove(sources, entry);
+ });
+
+ // Flip the entry to resolved
+ entry.resolve(result);
+ }
+
+ @Override
+ public void onFailure(final Throwable cause) {
+ LOG.debug("Failed assembly of {} in {}", sources, sw, cause);
+ entry.getFuture().setException(cause);
+ }
+ }, MoreExecutors.directExecutor());
+ }
+
+ /**
+ * Return a set of de-duplicated inputs.
+ *
+ * @return set (preserving ordering) from the input collection
+ */
+ private static ImmutableSet<SourceIdentifier> dedupSources(final Collection<SourceIdentifier> sources) {
+ final ImmutableSet<SourceIdentifier> result = ImmutableSet.copyOf(sources);
+ if (result.size() != sources.size()) {
+ LOG.warn("Duplicate sources requested for schema context, removed duplicate sources: {}",
+ Collections2.filter(result, input -> Iterables.frequency(sources, input) > 1));
+ }
+ return result;
+ }
+}
+++ /dev/null
-/*
- * Copyright (c) 2014 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.repo;
-
-import static java.util.Objects.requireNonNull;
-import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateFluentFuture;
-
-import com.google.common.base.Function;
-import com.google.common.cache.Cache;
-import com.google.common.cache.CacheBuilder;
-import com.google.common.collect.Collections2;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Maps;
-import com.google.common.util.concurrent.AsyncFunction;
-import com.google.common.util.concurrent.FluentFuture;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
-import com.google.common.util.concurrent.SettableFuture;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.LinkedHashMap;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.concurrent.ExecutionException;
-import org.eclipse.jdt.annotation.NonNull;
-import org.gaul.modernizer_maven_annotations.SuppressModernizer;
-import org.opendaylight.yangtools.concepts.SemVer;
-import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
-import org.opendaylight.yangtools.yang.model.parser.api.YangParser;
-import org.opendaylight.yangtools.yang.model.parser.api.YangParserException;
-import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
-import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
-import org.opendaylight.yangtools.yang.model.repo.api.EffectiveModelContextFactory;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactoryConfiguration;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
-import org.opendaylight.yangtools.yang.model.repo.api.SemVerSourceIdentifier;
-import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
-import org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode;
-import org.opendaylight.yangtools.yang.parser.rfc7950.ir.IRSchemaSource;
-import org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangModelDependencyInfo;
-import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-final class SharedSchemaContextFactory implements EffectiveModelContextFactory {
- private static final Logger LOG = LoggerFactory.getLogger(SharedSchemaContextFactory.class);
-
- private final Cache<Collection<SourceIdentifier>, EffectiveModelContext> revisionCache = CacheBuilder.newBuilder()
- .weakValues().build();
- private final Cache<Collection<SourceIdentifier>, EffectiveModelContext> semVerCache = CacheBuilder.newBuilder()
- .weakValues().build();
- private final @NonNull SharedSchemaRepository repository;
- private final @NonNull SchemaContextFactoryConfiguration config;
-
- SharedSchemaContextFactory(final @NonNull SharedSchemaRepository repository,
- final @NonNull SchemaContextFactoryConfiguration config) {
- this.repository = requireNonNull(repository);
- this.config = requireNonNull(config);
- }
-
- @Override
- public @NonNull ListenableFuture<EffectiveModelContext> createEffectiveModelContext(
- final @NonNull Collection<SourceIdentifier> requiredSources) {
- return createSchemaContext(requiredSources,
- config.getStatementParserMode() == StatementParserMode.SEMVER_MODE ? semVerCache : revisionCache,
- new AssembleSources(repository.factory(), config));
- }
-
- private @NonNull ListenableFuture<EffectiveModelContext> createSchemaContext(
- final Collection<SourceIdentifier> requiredSources,
- final Cache<Collection<SourceIdentifier>, EffectiveModelContext> cache,
- final AsyncFunction<List<IRSchemaSource>, EffectiveModelContext> assembleSources) {
- // Make sources unique
- final List<SourceIdentifier> uniqueSourceIdentifiers = deDuplicateSources(requiredSources);
-
- final EffectiveModelContext existing = cache.getIfPresent(uniqueSourceIdentifiers);
- if (existing != null) {
- LOG.debug("Returning cached context {}", existing);
- return immediateFluentFuture(existing);
- }
-
- // Request all sources be loaded
- ListenableFuture<List<IRSchemaSource>> sf = Futures.allAsList(Collections2.transform(uniqueSourceIdentifiers,
- this::requestSource));
-
- // Detect mismatch between requested Source IDs and IDs that are extracted from parsed source
- // Also remove duplicates if present
- // We are relying on preserved order of uniqueSourceIdentifiers as well as sf
- sf = Futures.transform(sf, new SourceIdMismatchDetector(uniqueSourceIdentifiers),
- MoreExecutors.directExecutor());
-
- // Assemble sources into a schema context
- final ListenableFuture<EffectiveModelContext> cf = Futures.transformAsync(sf, assembleSources,
- MoreExecutors.directExecutor());
-
- final SettableFuture<EffectiveModelContext> rf = SettableFuture.create();
- Futures.addCallback(cf, new FutureCallback<EffectiveModelContext>() {
- @Override
- public void onSuccess(final EffectiveModelContext result) {
- // Deduplicate concurrent loads
- final EffectiveModelContext existing;
- try {
- existing = cache.get(uniqueSourceIdentifiers, () -> result);
- } catch (ExecutionException e) {
- LOG.warn("Failed to recheck result with cache, will use computed value", e);
- rf.set(result);
- return;
- }
-
- rf.set(existing);
- }
-
- @Override
- public void onFailure(final Throwable cause) {
- LOG.debug("Failed to assemble sources", cause);
- rf.setException(cause);
- }
- }, MoreExecutors.directExecutor());
-
- return rf;
- }
-
- private ListenableFuture<IRSchemaSource> requestSource(final @NonNull SourceIdentifier identifier) {
- return repository.getSchemaSource(identifier, IRSchemaSource.class);
- }
-
- /**
- * Return a set of de-duplicated inputs.
- *
- * @return set (preserving ordering) from the input collection
- */
- private static List<SourceIdentifier> deDuplicateSources(final Collection<SourceIdentifier> requiredSources) {
- final Set<SourceIdentifier> uniqueSourceIdentifiers = new LinkedHashSet<>(requiredSources);
- if (uniqueSourceIdentifiers.size() == requiredSources.size()) {
- // Can potentially reuse input
- return ImmutableList.copyOf(requiredSources);
- }
-
- LOG.warn("Duplicate sources requested for schema context, removed duplicate sources: {}",
- Collections2.filter(uniqueSourceIdentifiers, input -> Iterables.frequency(requiredSources, input) > 1));
- return ImmutableList.copyOf(uniqueSourceIdentifiers);
- }
-
- @SuppressModernizer
- private static final class SourceIdMismatchDetector implements Function<List<IRSchemaSource>,
- List<IRSchemaSource>> {
- private final List<SourceIdentifier> sourceIdentifiers;
-
- SourceIdMismatchDetector(final List<SourceIdentifier> sourceIdentifiers) {
- this.sourceIdentifiers = requireNonNull(sourceIdentifiers);
- }
-
- @Override
- public List<IRSchemaSource> apply(final List<IRSchemaSource> input) {
- final Map<SourceIdentifier, IRSchemaSource> filtered = new LinkedHashMap<>();
-
- for (int i = 0; i < input.size(); i++) {
-
- final SourceIdentifier expectedSId = sourceIdentifiers.get(i);
- final IRSchemaSource irSchemaSource = input.get(i);
- final SourceIdentifier realSId = irSchemaSource.getIdentifier();
-
- if (!expectedSId.equals(realSId)) {
- LOG.warn("Source identifier mismatch for module \"{}\", requested as {} but actually is {}. "
- + "Using actual id", expectedSId.getName(), expectedSId, realSId);
- }
-
- if (filtered.containsKey(realSId)) {
- LOG.warn("Duplicate source for module {} detected in reactor", realSId);
- }
-
- filtered.put(realSId, irSchemaSource);
-
- }
- return ImmutableList.copyOf(filtered.values());
- }
- }
-
- private static final class AssembleSources implements AsyncFunction<List<IRSchemaSource>, EffectiveModelContext> {
- private final @NonNull YangParserFactory parserFactory;
- private final @NonNull SchemaContextFactoryConfiguration config;
- private final @NonNull Function<IRSchemaSource, SourceIdentifier> getIdentifier;
-
- private AssembleSources(final @NonNull YangParserFactory parserFactory,
- final @NonNull SchemaContextFactoryConfiguration config) {
- this.parserFactory = parserFactory;
- this.config = config;
- switch (config.getStatementParserMode()) {
- case SEMVER_MODE:
- this.getIdentifier = AssembleSources::getSemVerIdentifier;
- break;
- default:
- this.getIdentifier = IRSchemaSource::getIdentifier;
- }
- }
-
- @Override
- public FluentFuture<EffectiveModelContext> apply(final List<IRSchemaSource> sources)
- throws SchemaResolutionException, ReactorException {
- final Map<SourceIdentifier, IRSchemaSource> srcs = Maps.uniqueIndex(sources, getIdentifier);
- final Map<SourceIdentifier, YangModelDependencyInfo> deps =
- Maps.transformValues(srcs, YangModelDependencyInfo::forIR);
-
- LOG.debug("Resolving dependency reactor {}", deps);
-
- final StatementParserMode statementParserMode = config.getStatementParserMode();
- final DependencyResolver res = statementParserMode == StatementParserMode.SEMVER_MODE
- ? SemVerDependencyResolver.create(deps) : RevisionDependencyResolver.create(deps);
- if (!res.getUnresolvedSources().isEmpty()) {
- LOG.debug("Omitting models {} due to unsatisfied imports {}", res.getUnresolvedSources(),
- res.getUnsatisfiedImports());
- throw new SchemaResolutionException("Failed to resolve required models",
- res.getResolvedSources(), res.getUnsatisfiedImports());
- }
-
- final YangParser parser = parserFactory.createParser(statementParserMode);
- config.getSupportedFeatures().ifPresent(parser::setSupportedFeatures);
- config.getModulesDeviatedByModules().ifPresent(parser::setModulesWithSupportedDeviations);
-
- for (final Entry<SourceIdentifier, IRSchemaSource> entry : srcs.entrySet()) {
- try {
- parser.addSource(entry.getValue());
- } catch (YangSyntaxErrorException | IOException e) {
- throw new SchemaResolutionException("Failed to add source " + entry.getKey(), e);
- }
- }
-
- final EffectiveModelContext schemaContext;
- try {
- schemaContext = parser.buildEffectiveModel();
- } catch (final YangParserException e) {
- throw new SchemaResolutionException("Failed to resolve required models", e);
- }
-
- return immediateFluentFuture(schemaContext);
- }
-
- private static SemVerSourceIdentifier getSemVerIdentifier(final IRSchemaSource source) {
- final SourceIdentifier identifier = source.getIdentifier();
- final SemVer semver = YangModelDependencyInfo.findSemanticVersion(source.getRootStatement(), identifier);
- if (identifier instanceof SemVerSourceIdentifier && semver == null) {
- return (SemVerSourceIdentifier) identifier;
- }
-
- return SemVerSourceIdentifier.create(identifier.getName(), identifier.getRevision(), semver);
- }
- }
-}
.build(new CacheLoader<SchemaContextFactoryConfiguration, EffectiveModelContextFactory>() {
@Override
public EffectiveModelContextFactory load(final SchemaContextFactoryConfiguration key) {
- return new SharedSchemaContextFactory(SharedSchemaRepository.this, key);
+ return new SharedEffectiveModelContextFactory(SharedSchemaRepository.this, key);
}
});
--- /dev/null
+/*
+ * Copyright (c) 2014 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.repo;
+
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.Function;
+import com.google.common.collect.ImmutableList;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.gaul.modernizer_maven_annotations.SuppressModernizer;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.parser.rfc7950.ir.IRSchemaSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressModernizer
+final class SourceIdMismatchDetector implements Function<List<IRSchemaSource>, List<IRSchemaSource>> {
+ private static final Logger LOG = LoggerFactory.getLogger(SourceIdMismatchDetector.class);
+
+ private final Set<SourceIdentifier> sourceIdentifiers;
+
+ SourceIdMismatchDetector(final Set<SourceIdentifier> sourceIdentifiers) {
+ this.sourceIdentifiers = requireNonNull(sourceIdentifiers);
+ }
+
+ @Override
+ public List<IRSchemaSource> apply(final List<IRSchemaSource> input) {
+ final Iterator<SourceIdentifier> srcIt = sourceIdentifiers.iterator();
+ final Iterator<IRSchemaSource> it = input.iterator();
+
+ final Map<SourceIdentifier, IRSchemaSource> filtered = new LinkedHashMap<>();
+ while (it.hasNext()) {
+ final IRSchemaSource irSchemaSource = it.next();
+ final SourceIdentifier realSId = irSchemaSource.getIdentifier();
+ if (srcIt.hasNext()) {
+ final SourceIdentifier expectedSId = srcIt.next();
+ if (!expectedSId.equals(realSId)) {
+ LOG.warn("Source identifier mismatch for module \"{}\", requested as {} but actually is {}. "
+ + "Using actual id", expectedSId.getName(), expectedSId, realSId);
+ }
+ }
+
+ final IRSchemaSource prev = filtered.put(realSId, irSchemaSource);
+ if (prev != null) {
+ LOG.warn("Duplicate source for module {} detected in reactor", realSId);
+ }
+ }
+
+ return ImmutableList.copyOf(filtered.values());
+ }
+}
\ No newline at end of file
import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToIRTransformer;
@RunWith(MockitoJUnitRunner.StrictStubs.class)
-public class SharedSchemaContextFactoryTest {
+public class SharedEffectiveModelContextFactoryTest {
private final SharedSchemaRepository repository = new SharedSchemaRepository("test");
@Test
public void testCreateSchemaContextWithDuplicateRequiredSources() throws InterruptedException, ExecutionException {
- final SharedSchemaContextFactory sharedSchemaContextFactory = new SharedSchemaContextFactory(repository,
- config);
+ final SharedEffectiveModelContextFactory sharedSchemaContextFactory =
+ new SharedEffectiveModelContextFactory(repository, config);
final ListenableFuture<EffectiveModelContext> schemaContext =
sharedSchemaContextFactory.createEffectiveModelContext(s1, s1, s2);
assertNotNull(schemaContext.get());
repository.registerSchemaSource(provider, PotentialSchemaSource.create(
sIdWithoutRevision, IRSchemaSource.class, PotentialSchemaSource.Costs.IMMEDIATE.getValue()));
- final SharedSchemaContextFactory sharedSchemaContextFactory = new SharedSchemaContextFactory(repository,
- config);
+ final SharedEffectiveModelContextFactory sharedSchemaContextFactory =
+ new SharedEffectiveModelContextFactory(repository, config);
final ListenableFuture<EffectiveModelContext> schemaContext =
sharedSchemaContextFactory.createEffectiveModelContext(sIdWithoutRevision, provider.getId());
assertNotNull(schemaContext.get());