*/
package org.opendaylight.yangtools.yang.model.repo.util;
+import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateFailedFluentFuture;
+
import com.google.common.annotations.Beta;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
-import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.FutureFallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.GuardedBy;
-import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
-import org.opendaylight.yangtools.util.concurrent.ReflectiveExceptionMapper;
import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceFilter;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
@Beta
public abstract class AbstractSchemaRepository implements SchemaRepository, SchemaSourceRegistry {
private static final Logger LOG = LoggerFactory.getLogger(AbstractSchemaRepository.class);
- private static final ExceptionMapper<SchemaSourceException> FETCH_MAPPER = ReflectiveExceptionMapper.create("Schema source fetch", SchemaSourceException.class);
/*
* Source identifier -> representation -> provider map. We usually are looking for
* a specific representation of a source.
*/
@GuardedBy("this")
- private final Map<SourceIdentifier, ListMultimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>>> sources = new HashMap<>();
+ private final Map<SourceIdentifier, ListMultimap<Class<? extends SchemaSourceRepresentation>,
+ AbstractSchemaSourceRegistration<?>>> sources = new HashMap<>();
/*
* Schema source listeners.
@GuardedBy("this")
private final Collection<SchemaListenerRegistration> listeners = new ArrayList<>();
- private static <T extends SchemaSourceRepresentation> CheckedFuture<T, SchemaSourceException> fetchSource(final SourceIdentifier id, final Iterator<AbstractSchemaSourceRegistration<?>> it) {
+ @SuppressWarnings("unchecked")
+ private static <T extends SchemaSourceRepresentation> ListenableFuture<T> fetchSource(
+ final SourceIdentifier id, final Iterator<AbstractSchemaSourceRegistration<?>> it) {
final AbstractSchemaSourceRegistration<?> reg = it.next();
- @SuppressWarnings("unchecked")
- final CheckedFuture<? extends T, SchemaSourceException> f = ((SchemaSourceProvider<T>)reg.getProvider()).getSource(id);
-
- return Futures.makeChecked(Futures.withFallback(f, new FutureFallback<T>() {
- @Override
- public ListenableFuture<T> create(@Nonnull final Throwable t) throws SchemaSourceException {
- LOG.debug("Failed to acquire source from {}", reg, t);
+ return Futures.catchingAsync(((SchemaSourceProvider<T>)reg.getProvider()).getSource(id), Throwable.class,
+ input -> {
+ LOG.debug("Failed to acquire source from {}", reg, input);
if (it.hasNext()) {
return fetchSource(id, it);
}
- throw new MissingSchemaSourceException("All available providers exhausted", id, t);
- }
- }), FETCH_MAPPER);
+ throw new MissingSchemaSourceException("All available providers exhausted", id, input);
+ }, MoreExecutors.directExecutor());
}
@Override
- public <T extends SchemaSourceRepresentation> CheckedFuture<T, SchemaSourceException> getSchemaSource(@Nonnull final SourceIdentifier id, @Nonnull final Class<T> representation) {
+ public <T extends SchemaSourceRepresentation> ListenableFuture<T> getSchemaSource(
+ @Nonnull final SourceIdentifier id, @Nonnull final Class<T> representation) {
final ArrayList<AbstractSchemaSourceRegistration<?>> sortedSchemaSourceRegistrations;
synchronized (this) {
- final ListMultimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> srcs = sources.get(id);
+ final ListMultimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> srcs =
+ sources.get(id);
if (srcs == null) {
- return Futures.immediateFailedCheckedFuture(new MissingSchemaSourceException("No providers registered for source" + id, id));
+ return immediateFailedFluentFuture(new MissingSchemaSourceException(
+ "No providers registered for source" + id, id));
}
sortedSchemaSourceRegistrations = Lists.newArrayList(srcs.get(representation));
}
// TODO, remove and make sources keep sorted multimap (e.g. ArrayListMultimap with SortedLists)
- Collections.sort(sortedSchemaSourceRegistrations, SchemaProviderCostComparator.INSTANCE);
+ sortedSchemaSourceRegistrations.sort(SchemaProviderCostComparator.INSTANCE);
final Iterator<AbstractSchemaSourceRegistration<?>> regs = sortedSchemaSourceRegistrations.iterator();
if (!regs.hasNext()) {
- return Futures.immediateFailedCheckedFuture(
- new MissingSchemaSourceException("No providers for source " + id + " representation " + representation + " available", id));
+ return immediateFailedFluentFuture(new MissingSchemaSourceException(
+ "No providers for source " + id + " representation " + representation + " available", id));
}
- CheckedFuture<T, SchemaSourceException> fetchSourceFuture = fetchSource(id, regs);
+ final ListenableFuture<T> fetchSourceFuture = fetchSource(id, regs);
// Add callback to notify cache listeners about encountered schema
Futures.addCallback(fetchSourceFuture, new FutureCallback<T>() {
@Override
}
@Override
+ @SuppressWarnings("checkstyle:parameterName")
public void onFailure(@Nonnull final Throwable t) {
LOG.trace("Skipping notification for encountered source {}, fetching source failed", id, t);
}
- });
+ }, MoreExecutors.directExecutor());
return fetchSourceFuture;
}
- private synchronized <T extends SchemaSourceRepresentation> void addSource(final PotentialSchemaSource<T> source, final AbstractSchemaSourceRegistration<T> reg) {
- ListMultimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> m = sources.get(source.getSourceIdentifier());
- if (m == null) {
- m = ArrayListMultimap.create();
- sources.put(source.getSourceIdentifier(), m);
+ private synchronized <T extends SchemaSourceRepresentation> void addSource(final PotentialSchemaSource<T> source,
+ final AbstractSchemaSourceRegistration<T> reg) {
+ ListMultimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> map =
+ sources.get(source.getSourceIdentifier());
+ if (map == null) {
+ map = ArrayListMultimap.create();
+ sources.put(source.getSourceIdentifier(), map);
}
- m.put(source.getRepresentation(), reg);
+ map.put(source.getRepresentation(), reg);
final Collection<PotentialSchemaSource<?>> reps = Collections.singleton(source);
for (SchemaListenerRegistration l : listeners) {
}
}
- private synchronized <T extends SchemaSourceRepresentation> void removeSource(final PotentialSchemaSource<?> source, final SchemaSourceRegistration<?> reg) {
- final Multimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> m = sources.get(source.getSourceIdentifier());
+ private synchronized <T extends SchemaSourceRepresentation> void removeSource(final PotentialSchemaSource<?> source,
+ final SchemaSourceRegistration<?> reg) {
+ final Multimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> m =
+ sources.get(source.getSourceIdentifier());
if (m != null) {
m.remove(source.getRepresentation(), reg);
}
@Override
- public <T extends SchemaSourceRepresentation> SchemaSourceRegistration<T> registerSchemaSource(final SchemaSourceProvider<? super T> provider, final PotentialSchemaSource<T> source) {
+ public <T extends SchemaSourceRepresentation> SchemaSourceRegistration<T> registerSchemaSource(
+ final SchemaSourceProvider<? super T> provider, final PotentialSchemaSource<T> source) {
final PotentialSchemaSource<T> src = source.cachedReference();
final AbstractSchemaSourceRegistration<T> ret = new AbstractSchemaSourceRegistration<T>(provider, src) {
synchronized (this) {
final Collection<PotentialSchemaSource<?>> col = new ArrayList<>();
- for (Multimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> m : sources.values()) {
+ for (Multimap<Class<? extends SchemaSourceRepresentation>, AbstractSchemaSourceRegistration<?>> m
+ : sources.values()) {
for (AbstractSchemaSourceRegistration<?> r : m.values()) {
col.add(r.getInstance());
}
Code Review / yangtools.git / blobdiff