Remove javax.annotation nullness annotations
[netconf.git] / netconf / sal-netconf-connector / src / main / java / org / opendaylight / netconf / sal / connect / netconf / sal / NetconfDeviceRpc.java
index ff27e3c9129404d36f9329bf7afd975ebe388e99..2bf04875d31857e2a99def1514d8f950170e7bcc 100644 (file)
@@ -7,28 +7,26 @@
  */
 package org.opendaylight.netconf.sal.connect.netconf.sal;
 
-import com.google.common.base.Function;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.collect.Collections2;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import java.util.Collection;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcAvailabilityListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
-import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import com.google.common.util.concurrent.FluentFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.SettableFuture;
+import org.opendaylight.mdsal.dom.api.DOMRpcAvailabilityListener;
+import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException;
+import org.opendaylight.mdsal.dom.api.DOMRpcResult;
+import org.opendaylight.mdsal.dom.api.DOMRpcService;
+import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
 import org.opendaylight.netconf.api.NetconfMessage;
 import org.opendaylight.netconf.sal.connect.api.MessageTransformer;
 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceCommunicator;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.concepts.NoOpListenerRegistration;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
@@ -37,66 +35,46 @@ import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  */
 public final class NetconfDeviceRpc implements DOMRpcService {
 
-    private static final Function<RpcDefinition, DOMRpcIdentifier> RPC_TO_RPC_IDENTIFIER = new Function<RpcDefinition, DOMRpcIdentifier>() {
-        @Override
-        public DOMRpcIdentifier apply(final RpcDefinition input) {
-            return DOMRpcIdentifier.create(input.getPath());
-        }
-    };
-
-    private final RemoteDeviceCommunicator<NetconfMessage> listener;
+    private final RemoteDeviceCommunicator<NetconfMessage> communicator;
     private final MessageTransformer<NetconfMessage> transformer;
-    private final Collection<DOMRpcIdentifier> availableRpcs;
+    private final SchemaContext schemaContext;
 
-    public NetconfDeviceRpc(final SchemaContext schemaContext, final RemoteDeviceCommunicator<NetconfMessage> listener, final MessageTransformer<NetconfMessage> transformer) {
-        this.listener = listener;
+    public NetconfDeviceRpc(final SchemaContext schemaContext,
+            final RemoteDeviceCommunicator<NetconfMessage> communicator,
+            final MessageTransformer<NetconfMessage> transformer) {
+        this.communicator = communicator;
         this.transformer = transformer;
-
-        availableRpcs = Collections2.transform(schemaContext.getOperations(), RPC_TO_RPC_IDENTIFIER);
+        this.schemaContext = requireNonNull(schemaContext);
     }
 
-    @Nonnull
     @Override
-    public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(@Nonnull final SchemaPath type, @Nullable final NormalizedNode<?, ?> input) {
-        final NetconfMessage message = transformer.toRpcRequest(type, input);
-        final ListenableFuture<RpcResult<NetconfMessage>> delegateFutureWithPureResult = listener.sendRequest(message, type.getLastComponent());
+    public FluentFuture<DOMRpcResult> invokeRpc(final SchemaPath type, final NormalizedNode<?, ?> input) {
+        final FluentFuture<RpcResult<NetconfMessage>> delegateFuture = communicator.sendRequest(
+            transformer.toRpcRequest(type, input), type.getLastComponent());
 
-        final ListenableFuture<DOMRpcResult> transformed = Futures.transform(delegateFutureWithPureResult, new Function<RpcResult<NetconfMessage>, DOMRpcResult>() {
+        final SettableFuture<DOMRpcResult> ret = SettableFuture.create();
+        delegateFuture.addCallback(new FutureCallback<RpcResult<NetconfMessage>>() {
             @Override
-            public DOMRpcResult apply(final RpcResult<NetconfMessage> input) {
-                if (input.isSuccessful()) {
-                    return transformer.toRpcResult(input.getResult(), type);
-                } else {
-                    return new DefaultDOMRpcResult(input.getErrors());
-                }
+            public void onSuccess(RpcResult<NetconfMessage> result) {
+                ret.set(result.isSuccessful() ? transformer.toRpcResult(result.getResult(), type)
+                        : new DefaultDOMRpcResult(result.getErrors()));
             }
-        });
 
-        return Futures.makeChecked(transformed, new Function<Exception, DOMRpcException>() {
-            @Nullable
             @Override
-            public DOMRpcException apply(@Nullable final Exception e) {
-                return new DOMRpcImplementationNotAvailableException(e, "Unable to invoke rpc %s", type);
+            public void onFailure(Throwable cause) {
+                ret.setException(new DOMRpcImplementationNotAvailableException(cause, "Unable to invoke rpc %s", type));
             }
-        });
+
+        }, MoreExecutors.directExecutor());
+        return ret;
     }
 
-    @Nonnull
     @Override
-    public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(@Nonnull final T listener) {
-
-        listener.onRpcAvailable(availableRpcs);
+    public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(final T listener) {
+        listener.onRpcAvailable(Collections2.transform(schemaContext.getOperations(),
+            input -> DOMRpcIdentifier.create(input.getPath())));
 
-        return new ListenerRegistration<T>() {
-            @Override
-            public void close() {
-                // NOOP, no rpcs appear and disappear in this implementation
-            }
-
-            @Override
-            public T getInstance() {
-                return listener;
-            }
-        };
+        // NOOP, no rpcs appear and disappear in this implementation
+        return NoOpListenerRegistration.of(listener);
     }
 }