opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangePublisher.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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import java.util.Collection;
  11 import java.util.Collections;
  12 import javax.annotation.concurrent.NotThreadSafe;
  13 import org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
  14 import org.opendaylight.controller.sal.core.spi.data.AbstractDOMStoreTreeChangePublisher;
  15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.DefaultDataTreeCandidate;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 @NotThreadSafe
  23 final class ShardDataTreeChangePublisher extends AbstractDOMStoreTreeChangePublisher {
  24     private static final Logger LOG = LoggerFactory.getLogger(ShardDataTreeChangePublisher.class);
  25
  26     void publishChanges(final DataTreeCandidate candidate) {
  27         processCandidateTree(candidate);
  28     }
  29
  30     @Override
  31     protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations,
  32             final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
  33         final Collection<DataTreeCandidate> changes = Collections.<DataTreeCandidate>singleton(new DefaultDataTreeCandidate(path, node));
  34
  35         for (AbstractDOMDataTreeChangeListenerRegistration<?> reg : registrations) {
  36             reg.getInstance().onDataTreeChanged(changes);
  37         }
  38     }
  39
  40     @Override
  41     protected void registrationRemoved(final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
  42         LOG.debug("Registration {} removed", registration);
  43     }
  44 }