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.Verify;
  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      * Constructor for {@code ProxyDOMDataBroker}.
  52      *
  53      * @param actorSystem system
  54      * @param id          id
  55      * @param masterNode  {@link org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor} ref
  56      * @param askTimeout  ask timeout
  57      */
  58     public ProxyDOMDataBroker(final ActorSystem actorSystem, final RemoteDeviceId id,
  59                               final ActorRef masterNode, final Timeout askTimeout) {
  60         this.id = id;
  61         this.masterNode = masterNode;
  62         this.actorSystem = actorSystem;
  63         this.askTimeout = askTimeout;
  64     }
  65
  66     @SuppressWarnings("checkstyle:IllegalCatch")
  67     @Override
  68     public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
  69         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewReadTransactionRequest(), askTimeout);
  70         final Object msg;
  71         try {
  72             msg = Await.result(txActorFuture, askTimeout.duration());
  73         } catch (Exception e) {
  74             throw new IllegalStateException("Can't create ProxyReadTransaction", e);
  75         }
  76
  77         if (msg instanceof Exception) {
  78             throw new IllegalStateException("Can't create ProxyReadTransaction", (Exception) msg);
  79         }
  80
  81         Verify.verify(msg instanceof NewReadTransactionReply);
  82         final NewReadTransactionReply reply = (NewReadTransactionReply) msg;
  83         return new ProxyReadTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
  84     }
  85
  86     @SuppressWarnings("checkstyle:IllegalCatch")
  87     @Override
  88     public DOMDataReadWriteTransaction newReadWriteTransaction() {
  89         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewReadWriteTransactionRequest(), askTimeout);
  90         final Object msg;
  91         try {
  92             msg = Await.result(txActorFuture, askTimeout.duration());
  93         } catch (Exception e) {
  94             throw new IllegalStateException("Can't create ProxyReadWriteTransaction", e);
  95         }
  96
  97         if (msg instanceof Exception) {
  98             throw new IllegalStateException("Can't create ProxyReadWriteTransaction", (Exception) msg);
  99         }
 100
 101         Verify.verify(msg instanceof NewReadWriteTransactionReply);
 102         final NewReadWriteTransactionReply reply = (NewReadWriteTransactionReply) msg;
 103         return new ProxyReadWriteTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
 104     }
 105
 106     @SuppressWarnings("checkstyle:IllegalCatch")
 107     @Override
 108     public DOMDataWriteTransaction newWriteOnlyTransaction() {
 109         final Future<Object> txActorFuture = Patterns.ask(masterNode, new NewWriteTransactionRequest(), askTimeout);
 110         final Object msg;
 111         try {
 112             msg = Await.result(txActorFuture, askTimeout.duration());
 113         } catch (Exception e) {
 114             throw new IllegalStateException("Can't create ProxyWriteTransaction", e);
 115         }
 116
 117         if (msg instanceof Exception) {
 118             throw new IllegalStateException("Can't create ProxyWriteTransaction", (Exception) msg);
 119         }
 120
 121         Verify.verify(msg instanceof NewWriteTransactionReply);
 122         final NewWriteTransactionReply reply = (NewWriteTransactionReply) msg;
 123         return new ProxyWriteTransaction(reply.getTxActor(), id, actorSystem, askTimeout);
 124     }
 125
 126     @Override
 127     public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(
 128             final LogicalDatastoreType store, final YangInstanceIdentifier path, final DOMDataChangeListener listener,
 129             final DataChangeScope triggeringScope) {
 130         throw new UnsupportedOperationException(id + ": Data change listeners not supported for netconf mount point");
 131     }
 132
 133     @Override
 134     public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
 135         throw new UnsupportedOperationException(id + ": Transaction chains not supported for netconf mount point");
 136     }
 137
 138     @Nonnull
 139     @Override
 140     public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
 141         return Collections.emptyMap();
 142     }
 143 }