package org.opendaylight.yangtools.yang.parser.repo;
import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.annotations.Beta;
import com.google.common.base.MoreObjects.ToStringHelper;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
+import com.google.common.base.Verify;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Multimap;
-import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collection;
+import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ConcurrentLinkedDeque;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.common.Revision;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
+import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
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.SourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode;
import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource.Costs;
public final class YangTextSchemaContextResolver implements AutoCloseable, SchemaSourceProvider<YangTextSchemaSource> {
private static final Logger LOG = LoggerFactory.getLogger(YangTextSchemaContextResolver.class);
+ private static final long SOURCE_LIFETIME_SECONDS = 60;
private final Collection<SourceIdentifier> requiredSources = new ConcurrentLinkedDeque<>();
private final Multimap<SourceIdentifier, YangTextSchemaSource> texts = ArrayListMultimap.create();
private final AtomicReference<Optional<SchemaContext>> currentSchemaContext =
- new AtomicReference<>(Optional.<SchemaContext>absent());
+ new AtomicReference<>(Optional.empty());
private final InMemorySchemaSourceCache<ASTSchemaSource> cache;
private final SchemaListenerRegistration transReg;
private final SchemaSourceRegistry registry;
final TextToASTTransformer t = TextToASTTransformer.create(repository, registry);
transReg = registry.registerSchemaSourceListener(t);
- cache = InMemorySchemaSourceCache.createSoftCache(registry, ASTSchemaSource.class);
+ cache = InMemorySchemaSourceCache.createSoftCache(registry, ASTSchemaSource.class, SOURCE_LIFETIME_SECONDS,
+ TimeUnit.SECONDS);
}
public static YangTextSchemaContextResolver create(final String name) {
* Register a {@link YangTextSchemaSource}.
*
* @param source YANG text source
+ * @return a YangTextSchemaSourceRegistration
* @throws YangSyntaxErrorException When the YANG file is syntactically invalid
* @throws IOException when the URL is not readable
* @throws SchemaSourceException When parsing encounters general error
- * @return a YangTextSchemaSourceRegistration
*/
public YangTextSchemaSourceRegistration registerSource(@Nonnull final YangTextSchemaSource source)
throws SchemaSourceException, IOException, YangSyntaxErrorException {
checkArgument(source != null);
- final ASTSchemaSource ast = TextToASTTransformer.TRANSFORMATION.apply(source).checkedGet();
+ final ASTSchemaSource ast = TextToASTTransformer.transformText(source);
LOG.trace("Resolved source {} to source {}", source, ast);
// AST carries an accurate identifier, check if it matches the one supplied by the source. If it
final YangTextSchemaSource text;
if (!parsedId.equals(providedId)) {
if (!parsedId.getName().equals(providedId.getName())) {
- LOG.info("Provided module name {} does not match actual text {}, corrected", providedId.toYangFilename(),
- parsedId.toYangFilename());
+ LOG.info("Provided module name {} does not match actual text {}, corrected",
+ providedId.toYangFilename(), parsedId.toYangFilename());
} else {
- final String sourceRev = providedId.getRevision();
- final String astRev = parsedId.getRevision();
- if (sourceRev != null) {
+ final Optional<Revision> sourceRev = providedId.getRevision();
+ final Optional<Revision> astRev = parsedId.getRevision();
+ if (sourceRev.isPresent()) {
if (!sourceRev.equals(astRev)) {
LOG.info("Provided module revision {} does not match actual text {}, corrected",
providedId.toYangFilename(), parsedId.toYangFilename());
* Register a URL containing a YANG text.
*
* @param url YANG text source URL
+ * @return a YangTextSchemaSourceRegistration for this URL
* @throws YangSyntaxErrorException When the YANG file is syntactically invalid
* @throws IOException when the URL is not readable
* @throws SchemaSourceException When parsing encounters general error
- * @return a YangTextSchemaSourceRegistration for this URL
*/
- public YangTextSchemaSourceRegistration registerSource(@Nonnull final URL url) throws SchemaSourceException, IOException, YangSyntaxErrorException {
+ public YangTextSchemaSourceRegistration registerSource(@Nonnull final URL url) throws SchemaSourceException,
+ IOException, YangSyntaxErrorException {
checkArgument(url != null, "Supplied URL must not be null");
- final SourceIdentifier guessedId = new SourceIdentifier(url.getFile(), Optional.<String>absent());
+ final String path = url.getPath();
+ final String fileName = path.substring(path.lastIndexOf('/') + 1);
+ final SourceIdentifier guessedId = guessSourceIdentifier(fileName);
return registerSource(new YangTextSchemaSource(guessedId) {
@Override
public InputStream openStream() throws IOException {
});
}
+ private static SourceIdentifier guessSourceIdentifier(final String fileName) {
+ try {
+ return YangTextSchemaSource.identifierFromFilename(fileName);
+ } catch (IllegalArgumentException e) {
+ LOG.warn("Invalid file name format in '{}'", fileName, e);
+ return RevisionSourceIdentifier.create(fileName);
+ }
+ }
+
/**
* Try to parse all currently available yang files and build new schema context.
+ *
* @return new schema context iif there is at least 1 yang file registered and
* new schema context was successfully built.
*/
public Optional<SchemaContext> getSchemaContext() {
+ return getSchemaContext(StatementParserMode.DEFAULT_MODE);
+ }
+
+ /**
+ * Try to parse all currently available yang files and build new schema context depending on specified parsing mode.
+ *
+ * @param statementParserMode mode of statement parser
+ * @return new schema context iif there is at least 1 yang file registered and
+ * new schema context was successfully built.
+ */
+ public Optional<SchemaContext> getSchemaContext(final StatementParserMode statementParserMode) {
final SchemaContextFactory factory = repository.createSchemaContextFactory(SchemaSourceFilter.ALWAYS_ACCEPT);
Optional<SchemaContext> sc;
- Object v;
+ Object ver;
do {
// Spin get stable context version
Object cv;
// Version has been updated
Collection<SourceIdentifier> sources;
do {
- v = version;
+ ver = version;
sources = ImmutableSet.copyOf(requiredSources);
- } while (v != version);
+ } while (ver != version);
while (true) {
- final CheckedFuture<SchemaContext, SchemaResolutionException> f = factory.createSchemaContext(sources);
+ final ListenableFuture<SchemaContext> f = factory.createSchemaContext(sources, statementParserMode);
try {
- sc = Optional.of(f.checkedGet());
+ sc = Optional.of(f.get());
break;
- } catch (SchemaResolutionException e) {
- LOG.debug("Failed to fully assemble schema context for {}", sources, e);
- sources = e.getResolvedSources();
+ } catch (InterruptedException e) {
+ throw new RuntimeException("Interrupted while assembling schema context", e);
+ } catch (ExecutionException e) {
+ LOG.info("Failed to fully assemble schema context for {}", sources, e);
+ final Throwable cause = e.getCause();
+ Verify.verify(cause instanceof SchemaResolutionException);
+ sources = ((SchemaResolutionException) cause).getResolvedSources();
}
}
synchronized (this) {
if (contextVersion == cv) {
currentSchemaContext.set(sc);
- contextVersion = v;
+ contextVersion = ver;
}
}
- } while (version == v);
+ } while (version == ver);
return sc;
}
@Override
- public synchronized CheckedFuture<YangTextSchemaSource, SchemaSourceException> getSource(final SourceIdentifier sourceIdentifier) {
+ public synchronized ListenableFuture<YangTextSchemaSource> getSource(
+ final SourceIdentifier sourceIdentifier) {
final Collection<YangTextSchemaSource> ret = texts.get(sourceIdentifier);
LOG.debug("Lookup {} result {}", sourceIdentifier, ret);
if (ret.isEmpty()) {
- return Futures.<YangTextSchemaSource, SchemaSourceException>immediateFailedCheckedFuture(
- new MissingSchemaSourceException("URL for " + sourceIdentifier + " not registered", sourceIdentifier));
+ return Futures.immediateFailedFuture(new MissingSchemaSourceException(
+ "URL for " + sourceIdentifier + " not registered", sourceIdentifier));
}
- return Futures.immediateCheckedFuture(ret.iterator().next());
+ return Futures.immediateFuture(ret.iterator().next());
}
/**
return ImmutableSet.copyOf(texts.keySet());
}
+ @Beta
+ public synchronized Collection<YangTextSchemaSource> getSourceTexts(final SourceIdentifier sourceIdentifier) {
+ return ImmutableSet.copyOf(texts.get(sourceIdentifier));
+ }
+
+ @Beta
+ public SchemaContext trySchemaContext() throws SchemaResolutionException {
+ return trySchemaContext(StatementParserMode.DEFAULT_MODE);
+ }
+
+ @Beta
+ public SchemaContext trySchemaContext(final StatementParserMode statementParserMode)
+ throws SchemaResolutionException {
+ final ListenableFuture<SchemaContext> future = repository
+ .createSchemaContextFactory(SchemaSourceFilter.ALWAYS_ACCEPT)
+ .createSchemaContext(ImmutableSet.copyOf(requiredSources), statementParserMode);
+
+ try {
+ return future.get();
+ } catch (InterruptedException e) {
+ throw new RuntimeException("Interrupted while waiting for SchemaContext assembly", e);
+ } catch (ExecutionException e) {
+ final Throwable cause = e.getCause();
+ if (cause instanceof SchemaResolutionException) {
+ throw (SchemaResolutionException) cause;
+ }
+
+ throw new SchemaResolutionException("Failed to assemble SchemaContext", e);
+ }
+ }
+
@Override
public void close() {
transReg.close();
Code Review / yangtools.git / blobdiff