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.base.Preconditions;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import com.google.common.util.concurrent.Futures;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  19 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
  22 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  23 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  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 String topologyId;
  35
  36     private final BindingTransactionChain transactionChain;
  37     public SalNodeWriter(final DataBroker dataBroker, final String topologyId) {
  38         this.topologyId = topologyId;
  39         this.transactionChain = Preconditions.checkNotNull(dataBroker).createTransactionChain(new TransactionChainListener() {
  40             @Override
  41             public void onTransactionChainFailed(TransactionChain<?, ?> transactionChain, AsyncTransaction<?, ?> transaction, Throwable cause) {
  42                 LOG.error("{}: TransactionChain({}) {} FAILED!", transactionChain,
  43                         transaction.getIdentifier(), cause);
  44                 throw new IllegalStateException("Abstract topology writer TransactionChain(" + transactionChain + ") not committed correctly", cause);
  45             }
  46
  47             @Override
  48             public void onTransactionChainSuccessful(TransactionChain<?, ?> transactionChain) {
  49                 LOG.trace("Abstract topology writer TransactionChain({}) SUCCESSFUL", transactionChain);
  50             }
  51         });
  52     }
  53
  54     @Override public void init(@Nonnull final NodeId id, @Nonnull final Node operationalDataNode) {
  55         // put into Datastore
  56         final WriteTransaction wTx = transactionChain.newWriteOnlyTransaction();
  57         wTx.put(LogicalDatastoreType.OPERATIONAL, TopologyUtil.createTopologyNodeListPath(new NodeKey(id), topologyId), operationalDataNode);
  58         commitTransaction(wTx, id, "init");
  59     }
  60
  61     @Override public void update(@Nonnull final NodeId id, @Nonnull final Node operationalDataNode) {
  62         // merge
  63         final WriteTransaction wTx = transactionChain.newWriteOnlyTransaction();
  64         wTx.put(LogicalDatastoreType.OPERATIONAL, TopologyUtil.createTopologyNodeListPath(new NodeKey(id), topologyId), operationalDataNode);
  65         commitTransaction(wTx, id, "update");
  66     }
  67
  68     @Override public void delete(@Nonnull final NodeId id) {
  69         // delete
  70         final WriteTransaction wTx = transactionChain.newWriteOnlyTransaction();
  71         wTx.delete(LogicalDatastoreType.OPERATIONAL, TopologyUtil.createTopologyNodeListPath(new NodeKey(id), topologyId));
  72         commitTransaction(wTx, id, "delete");
  73     }
  74
  75     private void commitTransaction(final WriteTransaction transaction, final NodeId id, final String txType) {
  76         LOG.debug("{}: Committing Transaction {}:{}", id.getValue(), txType,
  77                 transaction.getIdentifier());
  78         final CheckedFuture<Void, TransactionCommitFailedException> result = transaction.submit();
  79
  80         Futures.addCallback(result, new FutureCallback<Void>() {
  81             @Override
  82             public void onSuccess(final Void result) {
  83                 LOG.debug("{}: Transaction({}) {} SUCCESSFUL", id.getValue(), txType,
  84                         transaction.getIdentifier());
  85             }
  86
  87             @Override
  88             public void onFailure(final Throwable t) {
  89                 LOG.error("{}: Transaction({}) {} FAILED!", id.getValue(), txType,
  90                         transaction.getIdentifier(), t);
  91                 throw new IllegalStateException(id + "  Transaction(" + txType + ") not committed correctly", t);
  92             }
  93         });
  94     }
  95 }