opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/OSGiDistributedShardedDOMDataTree.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.sharding;
   9
  10 import com.google.common.collect.ClassToInstanceMap;
  11 import java.util.Collection;
  12 import java.util.concurrent.CompletionStage;
  13 import org.opendaylight.controller.cluster.ActorSystemProvider;
  14 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  15 import org.opendaylight.controller.cluster.datastore.DistributedDataStoreInterface;
  16 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  17 import org.opendaylight.mdsal.dom.api.DOMDataTreeListener;
  18 import org.opendaylight.mdsal.dom.api.DOMDataTreeLoopException;
  19 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
  20 import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
  21 import org.opendaylight.mdsal.dom.api.DOMDataTreeServiceExtension;
  22 import org.opendaylight.mdsal.dom.api.DOMDataTreeShard;
  23 import org.opendaylight.mdsal.dom.api.DOMDataTreeShardingConflictException;
  24 import org.opendaylight.mdsal.dom.api.DOMDataTreeShardingService;
  25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  26 import org.osgi.service.component.annotations.Activate;
  27 import org.osgi.service.component.annotations.Component;
  28 import org.osgi.service.component.annotations.Deactivate;
  29 import org.osgi.service.component.annotations.Reference;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 @Component(immediate = true, property = "type=default")
  34 @Deprecated(forRemoval = true)
  35 public final class OSGiDistributedShardedDOMDataTree
  36         implements DOMDataTreeService, DOMDataTreeShardingService, DistributedShardFactory {
  37     private static final Logger LOG = LoggerFactory.getLogger(OSGiDistributedShardedDOMDataTree.class);
  38
  39     @Reference
  40     ActorSystemProvider actorSystemProvider = null;
  41     @Reference(target = "(type=distributed-config)")
  42     DistributedDataStoreInterface configDatastore = null;
  43     @Reference(target = "(type=distributed-operational)")
  44     DistributedDataStoreInterface operDatastore = null;
  45
  46     private DistributedShardedDOMDataTree delegate;
  47
  48     @Override
  49     public DOMDataTreeProducer createProducer(final Collection<DOMDataTreeIdentifier> subtrees) {
  50         return delegate.createProducer(subtrees);
  51     }
  52
  53     @Override
  54     public ClassToInstanceMap<DOMDataTreeServiceExtension> getExtensions() {
  55         return delegate.getExtensions();
  56     }
  57
  58     @Override
  59     public CompletionStage<DistributedShardRegistration> createDistributedShard(final DOMDataTreeIdentifier prefix,
  60             final Collection<MemberName> replicaMembers) throws DOMDataTreeShardingConflictException {
  61         return delegate.createDistributedShard(prefix, replicaMembers);
  62     }
  63
  64     @Override
  65     public <T extends DOMDataTreeShard> ListenerRegistration<T> registerDataTreeShard(
  66             final DOMDataTreeIdentifier prefix, final T shard, final DOMDataTreeProducer producer)
  67             throws DOMDataTreeShardingConflictException {
  68         return delegate.registerDataTreeShard(prefix, shard, producer);
  69     }
  70
  71     @Override
  72     public <T extends DOMDataTreeListener> ListenerRegistration<T> registerListener(final T listener,
  73             final Collection<DOMDataTreeIdentifier> subtrees, final boolean allowRxMerges,
  74             final Collection<DOMDataTreeProducer> producers) throws DOMDataTreeLoopException {
  75         return delegate.registerListener(listener, subtrees, allowRxMerges, producers);
  76     }
  77
  78     @Activate
  79     void activate() {
  80         LOG.info("Distributed DOM Data Tree Service starting");
  81         delegate = new DistributedShardedDOMDataTree(actorSystemProvider, operDatastore, configDatastore);
  82         delegate.init();
  83         LOG.info("Distributed DOM Data Tree Service started");
  84     }
  85
  86     @Deactivate
  87     void deactivate() {
  88         LOG.info("Distributed DOM Data Tree Service stopping");
  89         // TODO: this needs a shutdown hook, I think
  90         delegate = null;
  91         LOG.info("Distributed DOM Data Tree Service stopped");
  92     }
  93 }