Example #1
0
        /// <exception cref="System.IO.IOException"/>
        public override NMStateStoreService.RecoveredApplicationsState LoadApplicationsState
            ()
        {
            NMStateStoreService.RecoveredApplicationsState state = new NMStateStoreService.RecoveredApplicationsState
                                                                       ();
            state.applications = new AList <YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto
                                            >();
            string          keyPrefix = ApplicationsKeyPrefix;
            LeveldbIterator iter      = null;

            try
            {
                iter = new LeveldbIterator(db);
                iter.Seek(JniDBFactory.Bytes(keyPrefix));
                while (iter.HasNext())
                {
                    KeyValuePair <byte[], byte[]> entry = iter.Next();
                    string key = JniDBFactory.AsString(entry.Key);
                    if (!key.StartsWith(keyPrefix))
                    {
                        break;
                    }
                    state.applications.AddItem(YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto
                                               .ParseFrom(entry.Value));
                }
                state.finishedApplications = new AList <ApplicationId>();
                keyPrefix = FinishedAppsKeyPrefix;
                iter.Seek(JniDBFactory.Bytes(keyPrefix));
                while (iter.HasNext())
                {
                    KeyValuePair <byte[], byte[]> entry = iter.Next();
                    string key = JniDBFactory.AsString(entry.Key);
                    if (!key.StartsWith(keyPrefix))
                    {
                        break;
                    }
                    ApplicationId appId = ConverterUtils.ToApplicationId(Sharpen.Runtime.Substring(key
                                                                                                   , keyPrefix.Length));
                    state.finishedApplications.AddItem(appId);
                }
            }
            catch (DBException e)
            {
                throw new IOException(e);
            }
            finally
            {
                if (iter != null)
                {
                    iter.Close();
                }
            }
            return(state);
        }
Example #2
0
 /// <exception cref="System.IO.IOException"/>
 public override NMStateStoreService.RecoveredApplicationsState LoadApplicationsState
     ()
 {
     lock (this)
     {
         NMStateStoreService.RecoveredApplicationsState state = new NMStateStoreService.RecoveredApplicationsState
                                                                    ();
         state.applications = new AList <YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto
                                         >(apps.Values);
         state.finishedApplications = new AList <ApplicationId>(finishedApps);
         return(state);
     }
 }