*/
package org.opendaylight.mdsal.binding.generator.impl;
-import com.google.common.base.MoreObjects.ToStringHelper;
-import com.google.common.base.Optional;
-import com.google.common.io.ByteSource;
-import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.annotations.Beta;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.Futures;
-import java.io.IOException;
-import java.io.InputStream;
+import com.google.common.util.concurrent.ListenableFuture;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.lang.ref.WeakReference;
+import java.util.Optional;
+import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
import org.opendaylight.mdsal.binding.generator.api.ModuleInfoRegistry;
+import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
import org.opendaylight.yangtools.concepts.ObjectRegistration;
import org.opendaylight.yangtools.util.ClassLoaderUtils;
import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
-import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
+import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class ModuleInfoBackedContext extends GeneratedClassLoadingStrategy
+public final class ModuleInfoBackedContext extends GeneratedClassLoadingStrategy
implements ModuleInfoRegistry, SchemaContextProvider, SchemaSourceProvider<YangTextSchemaSource> {
+ private static final Logger LOG = LoggerFactory.getLogger(ModuleInfoBackedContext.class);
+
+ private static final LoadingCache<ClassLoadingStrategy,
+ LoadingCache<ImmutableSet<YangModuleInfo>, ModuleInfoBackedContext>> CONTEXT_CACHES = CacheBuilder.newBuilder()
+ .weakKeys().build(new CacheLoader<ClassLoadingStrategy,
+ LoadingCache<ImmutableSet<YangModuleInfo>, ModuleInfoBackedContext>>() {
+ @Override
+ public LoadingCache<ImmutableSet<YangModuleInfo>, ModuleInfoBackedContext> load(
+ final ClassLoadingStrategy strategy) {
+ return CacheBuilder.newBuilder().weakValues().build(
+ new CacheLoader<Set<YangModuleInfo>, ModuleInfoBackedContext>() {
+ @Override
+ public ModuleInfoBackedContext load(final Set<YangModuleInfo> key) {
+ final ModuleInfoBackedContext context = ModuleInfoBackedContext.create(strategy);
+ context.addModuleInfos(key);
+ return context;
+ }
+ });
+ }
+ });
private final YangTextSchemaContextResolver ctxResolver = YangTextSchemaContextResolver.create("binding-context");
+ private final ConcurrentMap<String, WeakReference<ClassLoader>> packageNameToClassLoader =
+ new ConcurrentHashMap<>();
+ private final ConcurrentMap<SourceIdentifier, YangModuleInfo> sourceIdentifierToModuleInfo =
+ new ConcurrentHashMap<>();
+ private final ClassLoadingStrategy backingLoadingStrategy;
private ModuleInfoBackedContext(final ClassLoadingStrategy loadingStrategy) {
this.backingLoadingStrategy = loadingStrategy;
}
+ @Beta
+ public static ModuleInfoBackedContext cacheContext(final ClassLoadingStrategy loadingStrategy,
+ final ImmutableSet<YangModuleInfo> infos) {
+ return CONTEXT_CACHES.getUnchecked(loadingStrategy).getUnchecked(infos);
+ }
+
public static ModuleInfoBackedContext create() {
return new ModuleInfoBackedContext(getTCCLClassLoadingStrategy());
}
return new ModuleInfoBackedContext(loadingStrategy);
}
- private static final Logger LOG = LoggerFactory.getLogger(ModuleInfoBackedContext.class);
-
- private final ConcurrentMap<String, WeakReference<ClassLoader>> packageNameToClassLoader = new ConcurrentHashMap<>();
- private final ConcurrentMap<SourceIdentifier, YangModuleInfo> sourceIdentifierToModuleInfo = new ConcurrentHashMap<>();
+ @Override
+ public SchemaContext getSchemaContext() {
+ final Optional<SchemaContext> contextOptional = tryToCreateSchemaContext();
+ if (contextOptional.isPresent()) {
+ return contextOptional.get();
- private final ClassLoadingStrategy backingLoadingStrategy;
+ }
+ throw new IllegalStateException("Unable to recreate SchemaContext, error while parsing");
+ }
@Override
public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
- String modulePackageName = BindingReflections.getModelRootPackageName(fullyQualifiedName);
-
- WeakReference<ClassLoader> classLoaderRef = packageNameToClassLoader.get(modulePackageName);
- ClassLoader classloader;
- if (classLoaderRef != null && (classloader = classLoaderRef.get()) != null) {
- return ClassLoaderUtils.loadClass(classloader, fullyQualifiedName);
+ final String modulePackageName = BindingReflections.getModelRootPackageName(fullyQualifiedName);
+ final WeakReference<ClassLoader> classLoaderRef = packageNameToClassLoader.get(modulePackageName);
+ if (classLoaderRef != null) {
+ final ClassLoader classLoader = classLoaderRef.get();
+ if (classLoader != null) {
+ return ClassLoaderUtils.loadClass(classLoader, fullyQualifiedName);
+ }
}
+
if (backingLoadingStrategy == null) {
throw new ClassNotFoundException(fullyQualifiedName);
}
- Class<?> cls = backingLoadingStrategy.loadClass(fullyQualifiedName);
+
+ final Class<?> cls = backingLoadingStrategy.loadClass(fullyQualifiedName);
if (BindingReflections.isBindingClass(cls)) {
resolveModuleInfo(cls);
}
return cls;
}
+ @Override
+ public ObjectRegistration<YangModuleInfo> registerModuleInfo(final YangModuleInfo yangModuleInfo) {
+ YangModuleInfoRegistration registration = new YangModuleInfoRegistration(yangModuleInfo, this);
+ resolveModuleInfo(yangModuleInfo);
+ return registration;
+ }
+
+ @Override
+ public ListenableFuture<? extends YangTextSchemaSource> getSource(
+ final SourceIdentifier sourceIdentifier) {
+ final YangModuleInfo yangModuleInfo = sourceIdentifierToModuleInfo.get(sourceIdentifier);
+
+ if (yangModuleInfo == null) {
+ LOG.debug("Unknown schema source requested: {}, available sources: {}", sourceIdentifier,
+ sourceIdentifierToModuleInfo.keySet());
+ return Futures.immediateFailedFuture(new SchemaSourceException(
+ "Unknown schema source: " + sourceIdentifier));
+ }
+
+ return Futures.immediateFuture(YangTextSchemaSource.delegateForByteSource(sourceIdentifier,
+ yangModuleInfo.getYangTextByteSource()));
+ }
+
+ public void addModuleInfos(final Iterable<? extends YangModuleInfo> moduleInfos) {
+ for (YangModuleInfo yangModuleInfo : moduleInfos) {
+ registerModuleInfo(yangModuleInfo);
+ }
+ }
+
// TODO finish schema parsing and expose as SchemaService
// Unite with current SchemaService
// Implement remove ModuleInfo to update SchemaContext
return ctxResolver.getSchemaContext();
}
+ @SuppressWarnings("checkstyle:illegalCatch")
private boolean resolveModuleInfo(final Class<?> cls) {
try {
return resolveModuleInfo(BindingReflections.getModuleInfo(cls));
}
}
+ @SuppressWarnings("checkstyle:illegalCatch")
+ @SuppressFBWarnings("REC_CATCH_EXCEPTION")
private boolean resolveModuleInfo(final YangModuleInfo moduleInfo) {
+ final SourceIdentifier identifier = sourceIdentifierFrom(moduleInfo);
+ final YangModuleInfo previous = sourceIdentifierToModuleInfo.putIfAbsent(identifier, moduleInfo);
+ if (previous != null) {
+ return false;
+ }
- SourceIdentifier identifier = sourceIdentifierFrom(moduleInfo);
- YangModuleInfo previous = sourceIdentifierToModuleInfo.putIfAbsent(identifier, moduleInfo);
ClassLoader moduleClassLoader = moduleInfo.getClass().getClassLoader();
try {
- if (previous == null) {
- String modulePackageName = moduleInfo.getClass().getPackage().getName();
- packageNameToClassLoader.putIfAbsent(modulePackageName,
- new WeakReference<>(moduleClassLoader));
- ctxResolver.registerSource(toYangTextSource(identifier, moduleInfo));
- for (YangModuleInfo importedInfo : moduleInfo.getImportedModules()) {
- resolveModuleInfo(importedInfo);
- }
- } else {
- return false;
+ String modulePackageName = moduleInfo.getClass().getPackage().getName();
+ packageNameToClassLoader.putIfAbsent(modulePackageName, new WeakReference<>(moduleClassLoader));
+ ctxResolver.registerSource(toYangTextSource(identifier, moduleInfo));
+ for (YangModuleInfo importedInfo : moduleInfo.getImportedModules()) {
+ resolveModuleInfo(importedInfo);
}
} catch (Exception e) {
LOG.error("Not including {} in YANG sources because of error.", moduleInfo, e);
return true;
}
- private static YangTextSchemaSource toYangTextSource(final SourceIdentifier identifier, final YangModuleInfo moduleInfo) {
- return new YangTextSchemaSource(identifier) {
-
- @Override
- public InputStream openStream() throws IOException {
- return moduleInfo.getModuleSourceStream();
- }
-
- @Override
- protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
- return toStringHelper;
- }
- };
- }
-
- private static SourceIdentifier sourceIdentifierFrom(final YangModuleInfo moduleInfo) {
- return RevisionSourceIdentifier.create(moduleInfo.getName(), Optional.of(moduleInfo.getRevision()));
- }
-
- public void addModuleInfos(final Iterable<? extends YangModuleInfo> moduleInfos) {
- for (YangModuleInfo yangModuleInfo : moduleInfos) {
- registerModuleInfo(yangModuleInfo);
- }
+ private void remove(final YangModuleInfoRegistration registration) {
+ // FIXME implement
}
- @Override
- public ObjectRegistration<YangModuleInfo> registerModuleInfo(final YangModuleInfo yangModuleInfo) {
- YangModuleInfoRegistration registration = new YangModuleInfoRegistration(yangModuleInfo, this);
- resolveModuleInfo(yangModuleInfo);
- return registration;
+ private static YangTextSchemaSource toYangTextSource(final SourceIdentifier identifier,
+ final YangModuleInfo moduleInfo) {
+ return YangTextSchemaSource.delegateForByteSource(identifier, moduleInfo.getYangTextByteSource());
}
- @Override public CheckedFuture<? extends YangTextSchemaSource, SchemaSourceException> getSource(
- final SourceIdentifier sourceIdentifier) {
- final YangModuleInfo yangModuleInfo = sourceIdentifierToModuleInfo.get(sourceIdentifier);
-
- if (yangModuleInfo == null) {
- LOG.debug("Unknown schema source requested: {}, available sources: {}", sourceIdentifier, sourceIdentifierToModuleInfo.keySet());
- return Futures
- .immediateFailedCheckedFuture(new SchemaSourceException("Unknown schema source: " + sourceIdentifier));
- }
-
- return Futures
- .immediateCheckedFuture(YangTextSchemaSource.delegateForByteSource(sourceIdentifier, new ByteSource() {
- @Override public InputStream openStream() throws IOException {
- return yangModuleInfo.getModuleSourceStream();
- }
- }));
+ private static SourceIdentifier sourceIdentifierFrom(final YangModuleInfo moduleInfo) {
+ final QName name = moduleInfo.getName();
+ return RevisionSourceIdentifier.create(name.getLocalName(), name.getRevision());
}
private static class YangModuleInfoRegistration extends AbstractObjectRegistration<YangModuleInfo> {
-
private final ModuleInfoBackedContext context;
- public YangModuleInfoRegistration(final YangModuleInfo instance, final ModuleInfoBackedContext context) {
+ YangModuleInfoRegistration(final YangModuleInfo instance, final ModuleInfoBackedContext context) {
super(instance);
this.context = context;
}
protected void removeRegistration() {
context.remove(this);
}
-
- }
-
- private void remove(final YangModuleInfoRegistration registration) {
- // FIXME implement
- }
-
- @Override
- public SchemaContext getSchemaContext() {
- final Optional<SchemaContext> contextOptional = tryToCreateSchemaContext();
- if (contextOptional.isPresent()) {
- return contextOptional.get();
-
- }
- throw new IllegalStateException("Unable to recreate SchemaContext, error while parsing");
}
}
Code Review / mdsal.git / blobdiff