opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/config/yang/config/distributed_entity_ownership_service/DistributedEntityOwnershipServiceProviderModule.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.controller.config.yang.config.distributed_entity_ownership_service;
  10
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  13 import org.opendaylight.controller.cluster.datastore.entityownership.DistributedEntityOwnershipService;
  14 import org.opendaylight.controller.cluster.datastore.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfig;
  15 import org.opendaylight.controller.cluster.datastore.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfigReader;
  16 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  17 import org.opendaylight.controller.config.api.DependencyResolver;
  18 import org.opendaylight.controller.config.api.ModuleIdentifier;
  19 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
  20 import org.osgi.framework.BundleContext;
  21
  22 public class DistributedEntityOwnershipServiceProviderModule extends AbstractDistributedEntityOwnershipServiceProviderModule {
  23     private EntityOwnerSelectionStrategyConfig strategyConfig;
  24     private BundleContext bundleContext;
  25
  26     public DistributedEntityOwnershipServiceProviderModule(final ModuleIdentifier identifier,
  27             final DependencyResolver dependencyResolver) {
  28         super(identifier, dependencyResolver);
  29     }
  30
  31     public DistributedEntityOwnershipServiceProviderModule(final ModuleIdentifier identifier,
  32             final DependencyResolver dependencyResolver,
  33             final DistributedEntityOwnershipServiceProviderModule oldModule, final AutoCloseable oldInstance) {
  34         super(identifier, dependencyResolver, oldModule, oldInstance);
  35     }
  36
  37     @Override
  38     public void customValidation() {
  39         strategyConfig = EntityOwnerSelectionStrategyConfigReader.loadStrategyWithConfig(bundleContext);
  40     }
  41
  42     @Override
  43     public boolean canReuseInstance(final AbstractDistributedEntityOwnershipServiceProviderModule oldModule) {
  44         return true;
  45     }
  46
  47     @Override
  48     public AutoCloseable createInstance() {
  49         // FIXME: EntityOwnership needs only the ActorContext, not the entire datastore
  50         DOMStore dataStore = getDataStoreDependency();
  51         Preconditions.checkArgument(dataStore instanceof DistributedDataStore,
  52                 "Injected DOMStore must be an instance of DistributedDataStore");
  53
  54         final ActorContext context = ((DistributedDataStore)dataStore).getActorContext();
  55         return DistributedEntityOwnershipService.start(context, strategyConfig);
  56     }
  57
  58     public void setBundleContext(final BundleContext bundleContext) {
  59         // What do we need from the bundle context?
  60         this.bundleContext = bundleContext;
  61     }
  62 }