*/
package org.opendaylight.restconf.nb.rfc8040.handlers;
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.Throwables;
import java.util.Collection;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.atomic.AtomicInteger;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.apache.aries.blueprint.annotation.service.Reference;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
+import org.opendaylight.mdsal.dom.api.DOMSchemaService;
+import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
-import org.opendaylight.restconf.nb.rfc8040.RestConnectorProvider;
import org.opendaylight.restconf.nb.rfc8040.Rfc8040.IetfYangLibrary;
import org.opendaylight.restconf.nb.rfc8040.Rfc8040.MonitoringModule;
import org.opendaylight.restconf.nb.rfc8040.utils.mapping.RestconfMappingNodeUtil;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of {@link SchemaContextHandler}.
- *
*/
-public class SchemaContextHandler implements SchemaContextListenerHandler {
+@Singleton
+@SuppressWarnings("checkstyle:FinalClass")
+public class SchemaContextHandler implements SchemaContextListenerHandler, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(SchemaContextHandler.class);
+ private final AtomicInteger moduleSetId = new AtomicInteger(0);
+
private final TransactionChainHandler transactionChainHandler;
- private SchemaContext context;
+ private final DOMSchemaService domSchemaService;
+ private ListenerRegistration<?> listenerRegistration;
- private int moduleSetId;
+ private volatile EffectiveModelContext schemaContext;
/**
- * Set module-set-id on initial value - 0.
+ * Constructor.
*
* @param transactionChainHandler Transaction chain handler
*/
- public SchemaContextHandler(final TransactionChainHandler transactionChainHandler) {
+ @Inject
+ public SchemaContextHandler(final TransactionChainHandler transactionChainHandler,
+ final @Reference DOMSchemaService domSchemaService) {
this.transactionChainHandler = transactionChainHandler;
- this.moduleSetId = 0;
+ this.domSchemaService = domSchemaService;
+ }
+
+ @PostConstruct
+ public void init() {
+ listenerRegistration = domSchemaService.registerSchemaContextListener(this);
}
@Override
- public void onGlobalContextUpdated(final SchemaContext context) {
- Preconditions.checkNotNull(context);
- this.context = null;
- this.context = context;
- this.moduleSetId++;
+ @PreDestroy
+ public void close() {
+ if (listenerRegistration != null) {
+ listenerRegistration.close();
+ }
+ }
+
+ @Override
+ @SuppressWarnings("checkstyle:hiddenField")
+ public void onModelContextUpdated(final EffectiveModelContext context) {
+ schemaContext = requireNonNull(context);
+
final Module ietfYangLibraryModule =
- context.findModuleByNamespaceAndRevision(IetfYangLibrary.URI_MODULE, IetfYangLibrary.DATE);
- NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>> normNode =
- RestconfMappingNodeUtil.mapModulesByIetfYangLibraryYang(context.getModules(), ietfYangLibraryModule,
- context, String.valueOf(this.moduleSetId));
- putData(normNode);
+ context.findModule(IetfYangLibrary.MODULE_QNAME).orElse(null);
+ if (ietfYangLibraryModule != null) {
+ NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>> normNode =
+ RestconfMappingNodeUtil.mapModulesByIetfYangLibraryYang(context.getModules(), ietfYangLibraryModule,
+ context, String.valueOf(this.moduleSetId.incrementAndGet()));
+ putData(normNode);
+ }
final Module monitoringModule =
- this.context.findModuleByNamespaceAndRevision(MonitoringModule.URI_MODULE, MonitoringModule.DATE);
- normNode = RestconfMappingNodeUtil.mapCapabilites(monitoringModule);
- putData(normNode);
+ schemaContext.findModule(MonitoringModule.MODULE_QNAME).orElse(null);
+ if (monitoringModule != null) {
+ NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>> normNode =
+ RestconfMappingNodeUtil.mapCapabilites(monitoringModule);
+ putData(normNode);
+ }
}
@Override
- public SchemaContext get() {
- return this.context;
+ public EffectiveModelContext get() {
+ return schemaContext;
}
private void putData(
final NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>> normNode) {
- final DOMDataWriteTransaction wTx = this.transactionChainHandler.get().newWriteOnlyTransaction();
+ final DOMTransactionChain transactionChain = this.transactionChainHandler.get();
+ final DOMDataTreeWriteTransaction wTx = transactionChain.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.OPERATIONAL,
YangInstanceIdentifier.create(NodeIdentifier.create(normNode.getNodeType())), normNode);
try {
- wTx.submit().checkedGet();
- } catch (final TransactionCommitFailedException e) {
- if (!(e.getCause() instanceof ConflictingModificationAppliedException)) {
- throw new RestconfDocumentedException("Problem occurred while putting data to DS.", e);
+ wTx.commit().get();
+ } catch (InterruptedException e) {
+ throw new RestconfDocumentedException("Problem occurred while putting data to DS.", e);
+ } catch (ExecutionException e) {
+ final TransactionCommitFailedException failure = Throwables.getCauseAs(e,
+ TransactionCommitFailedException.class);
+ if (failure.getCause() instanceof ConflictingModificationAppliedException) {
+ /*
+ * Ignore error when another cluster node is already putting the same data to DS.
+ * We expect that cluster is homogeneous and that node was going to write the same data
+ * (that means no retry is needed). Transaction chain reset must be invoked to be able
+ * to continue writing data with another transaction after failed transaction.
+ * This is workaround for bug https://bugs.opendaylight.org/show_bug.cgi?id=7728
+ */
+ LOG.warn("Ignoring that another cluster node is already putting the same data to DS.", e);
+ } else {
+ throw new RestconfDocumentedException("Problem occurred while putting data to DS.", failure);
}
-
- /*
- Ignore error when another cluster node is already putting the same data to DS.
- We expect that cluster is homogeneous and that node was going to write the same data
- (that means no retry is needed). Transaction chain reset must be invoked to be able
- to continue writing data with another transaction after failed transaction.
- This is workaround for bug:
- https://bugs.opendaylight.org/show_bug.cgi?id=7728
- */
- LOG.warn("Ignoring that another cluster node is already putting the same data to DS.", e);
- RestConnectorProvider.resetTransactionChainForAdapaters(this.transactionChainHandler.get());
+ } finally {
+ transactionChain.close();
}
}
}
Code Review / netconf.git / blobdiff