opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/NetconfDeviceSalProvider.java

   1 /*
   2  * Copyright (c) 2014 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.sal.connect.netconf.sal;
   9
  10 import com.google.common.base.Preconditions;
  11 import java.util.Collection;
  12 import java.util.Collections;
  13 import java.util.concurrent.ExecutorService;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  15 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  16 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  17 import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
  18 import org.opendaylight.controller.sal.core.api.Broker;
  19 import org.opendaylight.controller.sal.core.api.Provider;
  20 import org.opendaylight.controller.sal.core.api.mount.MountProvisionInstance;
  21 import org.opendaylight.controller.sal.core.api.mount.MountProvisionService;
  22 import org.opendaylight.yangtools.yang.binding.RpcService;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 final class NetconfDeviceSalProvider implements AutoCloseable, Provider, BindingAwareProvider {
  27
  28     private static final Logger logger = LoggerFactory.getLogger(NetconfDeviceSalProvider.class);
  29
  30     private final RemoteDeviceId id;
  31     private final ExecutorService executor;
  32     private volatile MountProvisionInstance mountInstance;
  33     private volatile NetconfDeviceDatastoreAdapter datastoreAdapter;
  34
  35     public NetconfDeviceSalProvider(final RemoteDeviceId deviceId, final ExecutorService executor) {
  36         this.id = deviceId;
  37         this.executor = executor;
  38     }
  39
  40     public MountProvisionInstance getMountInstance() {
  41         Preconditions.checkState(mountInstance != null,
  42                 "%s: Sal provider was not initialized by sal. Cannot get mount instance", id);
  43         return mountInstance;
  44     }
  45
  46     public NetconfDeviceDatastoreAdapter getDatastoreAdapter() {
  47         Preconditions.checkState(datastoreAdapter != null,
  48                 "%s: Sal provider %s was not initialized by sal. Cannot get datastore adapter", id);
  49         return datastoreAdapter;
  50     }
  51
  52     @Override
  53     public void onSessionInitiated(final Broker.ProviderSession session) {
  54         final MountProvisionService mountService = session.getService(MountProvisionService.class);
  55         if (mountService != null) {
  56             mountInstance = mountService.createOrGetMountPoint(id.getPath());
  57         }
  58
  59         logger.debug("{}: (BI)Session with sal established {}", id, session);
  60     }
  61
  62     @Override
  63     public Collection<Provider.ProviderFunctionality> getProviderFunctionality() {
  64         return Collections.emptySet();
  65     }
  66
  67     @Override
  68     public Collection<? extends RpcService> getImplementations() {
  69         return Collections.emptySet();
  70     }
  71
  72     @Override
  73     public Collection<? extends BindingAwareProvider.ProviderFunctionality> getFunctionality() {
  74         return Collections.emptySet();
  75     }
  76
  77     @Override
  78     public void onSessionInitiated(final BindingAwareBroker.ProviderContext session) {
  79         final DataProviderService dataBroker = session.getSALService(DataProviderService.class);
  80         datastoreAdapter = new NetconfDeviceDatastoreAdapter(id, dataBroker, executor);
  81
  82         logger.debug("{}: Session with sal established {}", id, session);
  83     }
  84
  85     @Override
  86     public void onSessionInitialized(final BindingAwareBroker.ConsumerContext session) {
  87     }
  88
  89     public void close() throws Exception {
  90         mountInstance = null;
  91         datastoreAdapter.close();
  92         datastoreAdapter = null;
  93     }
  94
  95 }