applications/forwardingrules-sync/src/main/java/org/opendaylight/openflowplugin/applications/frsync/impl/AbstractFrmSyncListener.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.openflowplugin.applications.frsync.impl;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Collection;
  12 import java.util.Optional;
  13 import java.util.concurrent.ExecutionException;
  14 import java.util.concurrent.TimeUnit;
  15 import java.util.concurrent.TimeoutException;
  16 import javax.annotation.Nonnull;
  17 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  18 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  19 import org.opendaylight.openflowplugin.applications.frsync.NodeListener;
  20 import org.opendaylight.openflowplugin.applications.frsync.util.PathUtil;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Abstract Listener for node changes.
  28  */
  29 public abstract class AbstractFrmSyncListener<T extends DataObject> implements NodeListener<T> {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(AbstractFrmSyncListener.class);
  32
  33     @Override
  34     public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<T>> modifications) {
  35         for (DataTreeModification<T> modification : modifications) {
  36             final NodeId nodeId = PathUtil.digNodeId(modification.getRootPath().getRootIdentifier());
  37             if (LOG.isTraceEnabled()) {
  38                 LOG.trace("DataTreeModification of {} in {} datastore", nodeId.getValue(), dsType());
  39             }
  40             try {
  41                 final Optional<ListenableFuture<Boolean>> optFuture = processNodeModification(modification);
  42                 if (optFuture.isPresent()) {
  43                     final ListenableFuture<Boolean> future = optFuture.get();
  44                     future.get(15000, TimeUnit.MILLISECONDS);
  45                     if (LOG.isTraceEnabled()) {
  46                         LOG.trace("Syncup for {} return from {} listener", nodeId.getValue(), dsType());
  47                     }
  48                 }
  49             } catch (InterruptedException | ExecutionException | TimeoutException e) {
  50                 LOG.error("Error processing inventory node modification: {}", nodeId.getValue(), e);
  51             }
  52         }
  53     }
  54
  55     protected abstract Optional<ListenableFuture<Boolean>> processNodeModification(
  56             DataTreeModification<T> modification);
  57
  58     protected abstract LogicalDatastoreType dsType();
  59
  60 }