netconf/netconf-topology-singleton/src/main/java/org/opendaylight/netconf/topology/singleton/impl/ProxyDOMDataBroker.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;
  10
  11 import akka.actor.ActorRef;
  12 import akka.actor.ActorSystem;
  13 import akka.pattern.Patterns;
  14 import akka.util.Timeout;
  15 import com.google.common.base.Preconditions;
  16 import java.util.Collections;
  17 import java.util.Map;
  18 import javax.annotation.Nonnull;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
  23 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
  24 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
  25 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  26 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  27 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  28 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  29 import org.opendaylight.netconf.topology.singleton.impl.tx.ProxyReadTransaction;
  30 import org.opendaylight.netconf.topology.singleton.impl.tx.ProxyReadWriteTransaction;
  31 import org.opendaylight.netconf.topology.singleton.impl.tx.ProxyWriteTransaction;
  32 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewReadTransactionReply;
  33 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewReadTransactionRequest;
  34 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewReadWriteTransactionReply;
  35 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewReadWriteTransactionRequest;
  36 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewWriteTransactionReply;
  37 import org.opendaylight.netconf.topology.singleton.messages.transactions.NewWriteTransactionRequest;
  38 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  40 import scala.concurrent.Await;
  41 import scala.concurrent.Future;
  42
  43 public class ProxyDOMDataBroker implements DOMDataBroker {
  44
  45     private final Timeout askTimeout;
  46     private final RemoteDeviceId id;
  47     private final ActorRef masterNode;
  48     private final ActorSystem actorSystem;
  49
  50     /**
  51      * @param actorSystem system
  52      * @param id          id
  53      * @param masterNode  {@link org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor} ref
  54      * @param askTimeout  ask timeout
  55      */
  56     public ProxyDOMDataBroker(final ActorSystem actorSystem, final RemoteDeviceId id,
  57                               final ActorRef masterNode, final Timeout askTimeout) {
  58         this.id = id;
  59         this.masterNode = masterNode;
  60         this.actorSystem = actorSystem;
  61         this.askTimeout = askTimeout;
  62     }
  63
  64     @Override
  65     public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
  66         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewReadTransactionRequest(), askTimeout);
  67         try {
  68             final Object msg = Await.result(txActorFuture, askTimeout.duration());
  69             if (msg instanceof Throwable) {
  70                 throw (Throwable) msg;
  71             }
  72             Preconditions.checkState(msg instanceof NewReadTransactionReply);
  73             final NewReadTransactionReply reply = (NewReadTransactionReply) msg;
  74             return new ProxyReadTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
  75         } catch (final Throwable t) {
  76             throw new IllegalStateException("Can't create ProxyReadTransaction", t);
  77         }
  78     }
  79
  80     @Override
  81     public DOMDataReadWriteTransaction newReadWriteTransaction() {
  82         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewReadWriteTransactionRequest(), askTimeout);
  83         try {
  84             final Object msg = Await.result(txActorFuture, askTimeout.duration());
  85             if (msg instanceof Throwable) {
  86                 throw (Throwable) msg;
  87             }
  88             Preconditions.checkState(msg instanceof NewReadWriteTransactionReply);
  89             final NewReadWriteTransactionReply reply = (NewReadWriteTransactionReply) msg;
  90             return new ProxyReadWriteTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
  91         } catch (final Throwable t) {
  92             throw new IllegalStateException("Can't create ProxyReadTransaction", t);
  93         }
  94     }
  95
  96     @Override
  97     public DOMDataWriteTransaction newWriteOnlyTransaction() {
  98         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewWriteTransactionRequest(), askTimeout);
  99         try {
 100             final Object msg = Await.result(txActorFuture, askTimeout.duration());
 101             if (msg instanceof Throwable) {
 102                 throw (Throwable) msg;
 103             }
 104             Preconditions.checkState(msg instanceof NewWriteTransactionReply);
 105             final NewWriteTransactionReply reply = (NewWriteTransactionReply) msg;
 106             return new ProxyWriteTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
 107         } catch (final Throwable t) {
 108             throw new IllegalStateException("Can't create ProxyWriteTransaction", t);
 109         }
 110     }
 111
 112     @Override
 113     public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(
 114             final LogicalDatastoreType store, final YangInstanceIdentifier path, final DOMDataChangeListener listener,
 115             final DataChangeScope triggeringScope) {
 116         throw new UnsupportedOperationException(id + ": Data change listeners not supported for netconf mount point");
 117     }
 118
 119     @Override
 120     public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
 121         throw new UnsupportedOperationException(id + ": Transaction chains not supported for netconf mount point");
 122     }
 123
 124     @Nonnull
 125     @Override
 126     public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
 127         return Collections.emptyMap();
 128     }
 129 }