netconf/netconf-topology-singleton/src/main/java/org/opendaylight/netconf/topology/singleton/impl/actors/WriteAdapter.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  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
   9 package org.opendaylight.netconf.topology.singleton.impl.actors;
  10
  11 import akka.actor.ActorContext;
  12 import akka.actor.ActorRef;
  13 import com.google.common.util.concurrent.CheckedFuture;
  14 import com.google.common.util.concurrent.FutureCallback;
  15 import com.google.common.util.concurrent.Futures;
  16 import com.google.common.util.concurrent.MoreExecutors;
  17 import javax.annotation.Nonnull;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  20 import org.opendaylight.netconf.topology.singleton.messages.NormalizedNodeMessage;
  21 import org.opendaylight.netconf.topology.singleton.messages.transactions.CancelRequest;
  22 import org.opendaylight.netconf.topology.singleton.messages.transactions.DeleteRequest;
  23 import org.opendaylight.netconf.topology.singleton.messages.transactions.MergeRequest;
  24 import org.opendaylight.netconf.topology.singleton.messages.transactions.PutRequest;
  25 import org.opendaylight.netconf.topology.singleton.messages.transactions.SubmitReply;
  26 import org.opendaylight.netconf.topology.singleton.messages.transactions.SubmitRequest;
  27
  28 class WriteAdapter {
  29     private final DOMDataWriteTransaction tx;
  30
  31     WriteAdapter(final DOMDataWriteTransaction tx) {
  32         this.tx = tx;
  33     }
  34
  35     private void cancel(final ActorContext context, final ActorRef sender, final ActorRef self) {
  36         final boolean cancelled = tx.cancel();
  37         sender.tell(cancelled, self);
  38         context.stop(self);
  39     }
  40
  41     private void submit(final ActorRef requester, final ActorRef self, final ActorContext context) {
  42         final CheckedFuture<Void, TransactionCommitFailedException> submitFuture = tx.submit();
  43         context.stop(self);
  44         Futures.addCallback(submitFuture, new FutureCallback<Void>() {
  45             @Override
  46             public void onSuccess(final Void result) {
  47                 requester.tell(new SubmitReply(), self);
  48             }
  49
  50             @Override
  51             public void onFailure(@Nonnull final Throwable throwable) {
  52                 requester.tell(throwable, self);
  53             }
  54         }, MoreExecutors.directExecutor());
  55     }
  56
  57     public void handle(final Object message, final ActorRef sender, final ActorContext context, final ActorRef self) {
  58         if (message instanceof MergeRequest) {
  59             final MergeRequest mergeRequest = (MergeRequest) message;
  60             final NormalizedNodeMessage data = mergeRequest.getNormalizedNodeMessage();
  61             tx.merge(mergeRequest.getStore(), data.getIdentifier(), data.getNode());
  62         } else if (message instanceof PutRequest) {
  63             final PutRequest putRequest = (PutRequest) message;
  64             final NormalizedNodeMessage data = putRequest.getNormalizedNodeMessage();
  65             tx.put(putRequest.getStore(), data.getIdentifier(), data.getNode());
  66         } else if (message instanceof DeleteRequest) {
  67             final DeleteRequest deleteRequest = (DeleteRequest) message;
  68             tx.delete(deleteRequest.getStore(), deleteRequest.getPath());
  69         } else if (message instanceof CancelRequest) {
  70             cancel(context, sender, self);
  71         } else if (message instanceof SubmitRequest) {
  72             submit(sender, self, context);
  73         }
  74     }
  75 }