import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.FluentIterable;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.opendaylight.controller.sal.core.api.Broker.RpcRegistration;
import org.opendaylight.controller.sal.core.api.RoutedRpcDefaultImplementation;
import org.opendaylight.controller.sal.core.api.RpcImplementation;
+import org.opendaylight.controller.sal.core.api.RpcImplementationUnavailableException;
import org.opendaylight.controller.sal.core.api.RpcRegistrationListener;
import org.opendaylight.controller.sal.core.api.RpcRoutingContext;
import org.opendaylight.controller.sal.dom.broker.spi.RpcRouter;
import org.opendaylight.yangtools.concepts.Identifiable;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
+import org.opendaylight.yangtools.util.ListenerRegistry;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.data.api.CompositeNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.FluentIterable;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.util.concurrent.ListenableFuture;
-
+/**
+ * RPC broker responsible for routing requests to remote systems.
+ */
public class SchemaAwareRpcBroker implements RpcRouter, Identifiable<String>, RoutedRpcDefaultImplementation {
private static final Logger LOG = LoggerFactory.getLogger(SchemaAwareRpcBroker.class);
@Override
public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(final QName rpc, final YangInstanceIdentifier route, final CompositeNode input) {
- checkState(defaultDelegate != null, "No implementation is available for rpc:%s path:%s", rpc, route);
- return defaultDelegate.invokeRpc(rpc, route, input);
+ if (defaultDelegate == null) {
+ return Futures.immediateFailedCheckedFuture(new RpcImplementationUnavailableException("No RPC implementation found"));
+ }
+
+ LOG.debug("Forwarding RPC {} path {} to delegate {}", rpc, route);
+ return defaultDelegate.invokeRpc(rpc, route, input);
}
void remove(final GlobalRpcRegistration registration) {