opendaylight/netconf/abstract-topology/src/main/java/org/opendaylight/netconf/topology/util/SalNodeWriter.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.util;
  10
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.Futures;
  14 import javax.annotation.Nonnull;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public final class SalNodeWriter implements NodeWriter {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(SalNodeWriter.class);
  33
  34     private final DataBroker dataBroker;
  35     private final String topologyId;
  36
  37     private final InstanceIdentifier<Topology> topologyListPath;
  38
  39     public SalNodeWriter(final DataBroker dataBroker, final String topologyId) {
  40         this.dataBroker = dataBroker;
  41         this.topologyId = topologyId;
  42         this.topologyListPath = createTopologyId(this.topologyId);
  43     }
  44
  45     //FIXME change to txChains
  46     @Override public void init(@Nonnull final NodeId id, @Nonnull final Node operationalDataNode) {
  47         // put into Datastore
  48         final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
  49         wTx.put(LogicalDatastoreType.OPERATIONAL, createBindingPathForTopology(id), operationalDataNode);
  50         commitTransaction(wTx, id, "init");
  51     }
  52
  53     @Override public void update(@Nonnull final NodeId id, @Nonnull final Node operationalDataNode) {
  54         // merge
  55         final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
  56         wTx.put(LogicalDatastoreType.OPERATIONAL, createBindingPathForTopology(id), operationalDataNode);
  57         commitTransaction(wTx, id, "update");
  58     }
  59
  60     @Override public void delete(@Nonnull final NodeId id) {
  61         // delete
  62         final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
  63         wTx.delete(LogicalDatastoreType.OPERATIONAL, createBindingPathForTopology(id));
  64         commitTransaction(wTx, id, "delete");
  65     }
  66
  67     private void commitTransaction(final WriteTransaction transaction, final NodeId id, final String txType) {
  68         LOG.debug("{}: Committing Transaction {}:{}", id.getValue(), txType,
  69                 transaction.getIdentifier());
  70         final CheckedFuture<Void, TransactionCommitFailedException> result = transaction.submit();
  71
  72         Futures.addCallback(result, new FutureCallback<Void>() {
  73             @Override
  74             public void onSuccess(final Void result) {
  75                 LOG.debug("{}: Transaction({}) {} SUCCESSFUL", id.getValue(), txType,
  76                         transaction.getIdentifier());
  77             }
  78
  79             @Override
  80             public void onFailure(final Throwable t) {
  81                 LOG.error("{}: Transaction({}) {} FAILED!", id.getValue(), txType,
  82                         transaction.getIdentifier(), t);
  83                 throw new IllegalStateException(id + "  Transaction(" + txType + ") not committed correctly", t);
  84             }
  85         });
  86     }
  87
  88     private InstanceIdentifier<Node> createBindingPathForTopology(final NodeId id) {
  89         return topologyListPath.child(Node.class, new NodeKey(id));
  90     }
  91
  92     private InstanceIdentifier<Topology> createTopologyId(final String topologyId) {
  93         final InstanceIdentifier<NetworkTopology> networkTopology = InstanceIdentifier.create(NetworkTopology.class);
  94         return networkTopology.child(Topology.class, new TopologyKey(new TopologyId(topologyId)));
  95     }
  96 }