netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/netconf/DeviceActionFactoryImpl.java

   1 /*
   2  * Copyright © 2019 FRINX s.r.o. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netconf.sal.connect.netconf;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import javax.inject.Singleton;
  16 import org.opendaylight.mdsal.dom.api.DOMActionService;
  17 import org.opendaylight.netconf.api.NetconfMessage;
  18 import org.opendaylight.netconf.sal.connect.api.DeviceActionFactory;
  19 import org.opendaylight.netconf.sal.connect.api.MessageTransformer;
  20 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceCommunicator;
  21 import org.opendaylight.yangtools.yang.common.RpcResult;
  22 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  23 import org.osgi.service.component.annotations.Component;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * Implementation of the factory for creation of {@link DOMActionService} instances that are provided by device.
  29  * {@link DOMActionService} is implemented using {@link MessageTransformer} that builds NETCONF RPCs and
  30  * transforms replied NETCONF message  to action result, and using {@link RemoteDeviceCommunicator} that is responsible
  31  * for sending of built RPCs to NETCONF client.
  32  */
  33 @Singleton
  34 @Component(immediate = true, property = "type=default")
  35 public class DeviceActionFactoryImpl implements DeviceActionFactory {
  36     private static final Logger LOG = LoggerFactory.getLogger(DeviceActionFactoryImpl.class);
  37
  38     @Override
  39     public DOMActionService createDeviceAction(final MessageTransformer messageTransformer,
  40             final RemoteDeviceCommunicator listener, final SchemaContext schemaContext) {
  41         return (schemaPath, dataTreeIdentifier, input) -> {
  42             requireNonNull(schemaPath);
  43             requireNonNull(dataTreeIdentifier);
  44             requireNonNull(input);
  45
  46             final ListenableFuture<RpcResult<NetconfMessage>> actionResultFuture = listener.sendRequest(
  47                 messageTransformer.toActionRequest(schemaPath, dataTreeIdentifier, input),
  48                 input.getIdentifier().getNodeType());
  49
  50             return Futures.transform(actionResultFuture, netconfMessageRpcResult -> {
  51                 if (netconfMessageRpcResult != null) {
  52                     return messageTransformer.toActionResult(schemaPath, netconfMessageRpcResult.getResult());
  53                 }
  54
  55                 final String message = "Missing action result of action on schema path: " + schemaPath;
  56                 LOG.error(message);
  57                 throw new IllegalStateException(message);
  58             }, MoreExecutors.directExecutor());
  59         };
  60     }
  61 }