opendaylight/md-sal/clustered-data-store/implementation/src/main/java/org/opendaylight/controller/datastore/internal/ClusteredDataStoreManager.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10
  11
  12 package org.opendaylight.controller.datastore.internal;
  13
  14 import com.google.common.base.Preconditions;
  15 import org.apache.felix.dm.Component;
  16 import org.opendaylight.controller.clustering.services.CacheConfigException;
  17 import org.opendaylight.controller.clustering.services.CacheExistException;
  18 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
  19 import org.opendaylight.controller.datastore.ClusteredDataStore;
  20 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22
  23 public class ClusteredDataStoreManager implements ClusteredDataStore {
  24
  25     private ClusteredDataStoreImpl clusteredDataStore = null;
  26     private IClusterGlobalServices clusterGlobalServices = null;
  27
  28     @Override
  29     public DataCommitTransaction<InstanceIdentifier<? extends Object>, Object> requestCommit(DataModification<InstanceIdentifier<? extends Object>, Object> modification) {
  30         Preconditions.checkState(clusteredDataStore != null, "clusteredDataStore cannot be null");
  31         return clusteredDataStore.requestCommit(modification);
  32     }
  33
  34     @Override
  35     public Object readOperationalData(InstanceIdentifier<? extends Object> path) {
  36         Preconditions.checkState(clusteredDataStore != null, "clusteredDataStore cannot be null");
  37         return clusteredDataStore.readOperationalData(path);
  38     }
  39
  40     @Override
  41     public Object readConfigurationData(InstanceIdentifier<? extends Object> path) {
  42         Preconditions.checkState(clusteredDataStore != null, "clusteredDataStore cannot be null");
  43         return clusteredDataStore.readConfigurationData(path);
  44     }
  45
  46
  47     public void setClusterGlobalServices(IClusterGlobalServices clusterGlobalServices){
  48         this.clusterGlobalServices = clusterGlobalServices;
  49     }
  50
  51     public void unsetClusterGlobalServices(IClusterGlobalServices clusterGlobalServices){
  52         this.clusterGlobalServices = null;
  53         this.clusteredDataStore = null;
  54     }
  55
  56
  57     /**
  58      * Function called by the dependency manager when all the required
  59      * dependencies are satisfied
  60      *
  61      */
  62     void init(Component c) {
  63         try {
  64             clusteredDataStore = new ClusteredDataStoreImpl(clusterGlobalServices);
  65         } catch (CacheExistException e) {
  66             throw new IllegalStateException("could not construct clusteredDataStore");
  67         } catch (CacheConfigException e) {
  68             throw new IllegalStateException("could not construct clusteredDataStore");
  69         }
  70     }
  71 }