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
   9 package org.opendaylight.openflowplugin.applications.frsync.impl;
  10
  11 import java.util.Collection;
  12 import java.util.concurrent.TimeUnit;
  13
  14 import javax.annotation.Nonnull;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  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 import com.google.common.base.Optional;
  27 import com.google.common.util.concurrent.ListenableFuture;
  28
  29 /**
  30  * Abstract Listener for node changes.
  31  */
  32 public abstract class AbstractFrmSyncListener<T extends DataObject> implements NodeListener<T> {
  33     private static final Logger LOG = LoggerFactory.getLogger(AbstractFrmSyncListener.class);
  34
  35     @Override
  36     public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<T>> modifications) {
  37         for (DataTreeModification<T> modification : modifications) {
  38             final NodeId nodeId = PathUtil.digNodeId(modification.getRootPath().getRootIdentifier());
  39
  40             try {
  41                 final Optional<ListenableFuture<Boolean>> optFuture = processNodeModification(modification);
  42                 if (optFuture.isPresent()) {
  43                     final ListenableFuture<Boolean> future = optFuture.get();
  44                     final Boolean ret = future.get(15000, TimeUnit.MILLISECONDS);
  45                     LOG.debug("syncup ret {} {} {} thread:{}", dsType(), ret, nodeId, threadName());
  46                 }
  47             } catch (InterruptedException e) {
  48                 LOG.warn("permit for forwarding rules sync not acquired: {}", nodeId);
  49             } catch (Exception e) {
  50                 LOG.error("error processing inventory node modification: {}", nodeId, e);
  51             }
  52         }
  53     }
  54
  55     protected abstract Optional<ListenableFuture<Boolean>> processNodeModification(
  56             DataTreeModification<T> modification) throws ReadFailedException, InterruptedException;
  57
  58     public abstract LogicalDatastoreType dsType();
  59
  60     static String threadName() {
  61         final Thread currentThread = Thread.currentThread();
  62         return currentThread.getName();
  63     }
  64 }