Hierarchy For All Packages

Package Hierarchies:

• org.apache.bookkeeper.client,
• org.apache.bookkeeper.client.api,
• org.apache.bookkeeper.client.impl,
• org.apache.bookkeeper.conf,
• org.apache.bookkeeper.feature

Class Hierarchy

• java.lang.Object
  • org.apache.bookkeeper.client.BookieAddressResolverDisabled (implements org.apache.bookkeeper.proto.BookieAddressResolver)
  • org.apache.bookkeeper.client.BookieInfoReader
  • org.apache.bookkeeper.client.BookieInfoReader.BookieInfo (implements org.apache.bookkeeper.client.WeightedRandomSelection.WeightedObject)
  • org.apache.bookkeeper.client.BookieWatcherImpl (implements org.apache.bookkeeper.client.BookieWatcher)
  • org.apache.bookkeeper.client.BookKeeper (implements org.apache.bookkeeper.client.api.BookKeeper)
  • org.apache.bookkeeper.client.BookKeeper.Builder
  • org.apache.bookkeeper.client.BookKeeperAdmin (implements java.lang.AutoCloseable)
  • org.apache.bookkeeper.client.BookKeeperAdmin.LedgerEntriesIterable (implements java.lang.Iterable<T>)
  • org.apache.bookkeeper.client.BookKeeperAdmin.LedgerEntriesIterator (implements java.util.Iterator<E>)
  • org.apache.bookkeeper.client.BookKeeperAdmin.ResultCallBack (implements org.apache.zookeeper.AsyncCallback.VoidCallback)
  • org.apache.bookkeeper.client.BookKeeperAdmin.SyncObject
  • org.apache.bookkeeper.client.impl.BookKeeperBuilderImpl (implements org.apache.bookkeeper.client.api.BookKeeperBuilder)
  • org.apache.bookkeeper.client.impl.BookKeeperClientStatsImpl (implements org.apache.bookkeeper.client.BookKeeperClientStats)
  • org.apache.bookkeeper.feature.CacheableFeatureProvider<T> (implements org.apache.bookkeeper.feature.FeatureProvider)
    • org.apache.bookkeeper.feature.SettableFeatureProvider
  • org.apache.bookkeeper.client.ClientInternalConf
  • java.util.concurrent.CompletableFuture<T> (implements java.util.concurrent.CompletionStage<T>, java.util.concurrent.Future<V>)
    • org.apache.bookkeeper.client.SyncCallbackUtils.FutureReadLastConfirmed (implements org.apache.bookkeeper.client.AsyncCallback.ReadLastConfirmedCallback)
    • org.apache.bookkeeper.client.SyncCallbackUtils.FutureReadLastConfirmedAndEntry (implements org.apache.bookkeeper.client.AsyncCallback.ReadLastConfirmedAndEntryCallback)
    • org.apache.bookkeeper.client.SyncCallbackUtils.SyncAddCallback (implements org.apache.bookkeeper.client.AsyncCallback.AddCallback)
  • org.apache.bookkeeper.client.DefaultBookieAddressResolver (implements org.apache.bookkeeper.proto.BookieAddressResolver)
  • org.apache.bookkeeper.client.DefaultEnsemblePlacementPolicy (implements org.apache.bookkeeper.client.EnsemblePlacementPolicy)
  • org.apache.bookkeeper.client.DefaultSpeculativeRequestExecutionPolicy (implements org.apache.bookkeeper.client.SpeculativeRequestExecutionPolicy)
  • org.apache.bookkeeper.client.DynamicWeightedRandomSelectionImpl<T> (implements org.apache.bookkeeper.client.WeightedRandomSelection<T>)
  • org.apache.bookkeeper.client.EnsemblePlacementPolicy.PlacementResult<T>
  • org.apache.bookkeeper.client.EnsembleUtils
  • org.apache.commons.configuration.event.EventSource
    • org.apache.commons.configuration.AbstractConfiguration (implements org.apache.commons.configuration.Configuration)
      • org.apache.commons.configuration.CompositeConfiguration (implements java.lang.Cloneable)
        • org.apache.bookkeeper.conf.AbstractConfiguration<T>
          • org.apache.bookkeeper.conf.ClientConfiguration
          • org.apache.bookkeeper.conf.ServerConfiguration
  • org.apache.bookkeeper.client.ExplicitLacFlushPolicy.ExplicitLacFlushPolicyImpl (implements org.apache.bookkeeper.client.ExplicitLacFlushPolicy)
  • org.apache.bookkeeper.feature.FixedValueFeature (implements org.apache.bookkeeper.feature.Feature)
    • org.apache.bookkeeper.feature.SettableFeature
  • org.apache.bookkeeper.client.impl.LastConfirmedAndEntryImpl (implements org.apache.bookkeeper.client.api.LastConfirmedAndEntry)
  • org.apache.bookkeeper.client.LedgerChecker
  • org.apache.bookkeeper.client.LedgerCreateOp
  • org.apache.bookkeeper.client.LedgerCreateOp.CreateBuilderImpl (implements org.apache.bookkeeper.client.api.CreateBuilder)
  • org.apache.bookkeeper.client.LedgerDeleteOp
  • org.apache.bookkeeper.client.LedgerDeleteOp.DeleteBuilderImpl (implements org.apache.bookkeeper.client.api.DeleteBuilder)
  • org.apache.bookkeeper.client.impl.LedgerEntriesImpl (implements org.apache.bookkeeper.client.api.LedgerEntries)
  • org.apache.bookkeeper.client.LedgerEntry
  • org.apache.bookkeeper.client.impl.LedgerEntryImpl (implements org.apache.bookkeeper.client.api.LedgerEntry)
  • org.apache.bookkeeper.client.LedgerFragment
  • org.apache.bookkeeper.client.LedgerFragmentReplicator
  • org.apache.bookkeeper.client.LedgerFragmentReplicator.SingleFragmentCallback (implements org.apache.zookeeper.AsyncCallback.VoidCallback)
  • org.apache.bookkeeper.client.LedgerFragmentReplicator.Throttler
  • org.apache.bookkeeper.client.LedgerHandle (implements org.apache.bookkeeper.client.api.WriteHandle)
    • org.apache.bookkeeper.client.LedgerHandleAdv (implements org.apache.bookkeeper.client.api.WriteAdvHandle)
    • org.apache.bookkeeper.client.ReadOnlyLedgerHandle (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.LedgerMetadataListener)
  • org.apache.bookkeeper.client.LedgerHandle.LastConfirmedCtx
  • org.apache.bookkeeper.client.LedgerHandle.NoopCloseCallback (implements org.apache.bookkeeper.client.AsyncCallback.CloseCallback)
  • org.apache.bookkeeper.client.LedgerHandleAdv.PendingOpsComparator (implements java.util.Comparator<T>, java.io.Serializable)
  • org.apache.bookkeeper.client.LedgerMetadataBuilder
  • org.apache.bookkeeper.client.LedgerMetadataImpl (implements org.apache.bookkeeper.client.api.LedgerMetadata)
  • org.apache.bookkeeper.client.LedgerMetadataUtils
  • org.apache.bookkeeper.client.LedgerOpenOp
  • org.apache.bookkeeper.client.LedgerRecoveryOp (implements org.apache.bookkeeper.client.AsyncCallback.AddCallback, org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryListener)
  • org.apache.bookkeeper.client.MetadataUpdateLoop
  • org.apache.bookkeeper.client.impl.OpenBuilderBase (implements org.apache.bookkeeper.client.api.OpenBuilder)
    • org.apache.bookkeeper.client.LedgerOpenOp.OpenBuilderImpl
  • org.apache.bookkeeper.client.PendingReadLacOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadLacCallback)
  • org.apache.bookkeeper.client.PendingReadOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback, org.apache.bookkeeper.common.util.SafeRunnable)
    • org.apache.bookkeeper.client.ListenerBasedPendingReadOp
      • org.apache.bookkeeper.client.LedgerRecoveryOp.RecoveryReadOp
  • org.apache.bookkeeper.client.PendingReadOp.LedgerEntryRequest (implements java.lang.AutoCloseable, org.apache.bookkeeper.client.SpeculativeRequestExecutor)
    • org.apache.bookkeeper.client.PendingReadOp.ParallelReadRequest
    • org.apache.bookkeeper.client.PendingReadOp.SequenceReadRequest
  • org.apache.bookkeeper.client.PendingWriteLacOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteLacCallback)
  • org.apache.bookkeeper.client.ReadLastConfirmedAndEntryOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback, org.apache.bookkeeper.client.SpeculativeRequestExecutor)
  • org.apache.bookkeeper.client.ReadLastConfirmedAndEntryOp.ReadLACAndEntryRequest (implements java.lang.AutoCloseable)
    • org.apache.bookkeeper.client.ReadLastConfirmedAndEntryOp.ParallelReadRequest
    • org.apache.bookkeeper.client.ReadLastConfirmedAndEntryOp.SequenceReadRequest
  • org.apache.bookkeeper.client.ReadLastConfirmedOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback)
  • org.apache.bookkeeper.client.RoundRobinDistributionSchedule (implements org.apache.bookkeeper.client.DistributionSchedule)
  • org.apache.bookkeeper.util.SafeRunnable (implements org.apache.bookkeeper.common.util.SafeRunnable)
    • org.apache.bookkeeper.client.ForceLedgerOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ForceLedgerCallback)
    • org.apache.bookkeeper.client.PendingAddOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback)
    • org.apache.bookkeeper.client.ReadOnlyLedgerHandle.MetadataUpdater
  • org.apache.bookkeeper.client.SyncCallbackUtils
  • org.apache.bookkeeper.client.SyncCallbackUtils.LastAddConfirmedCallback (implements org.apache.bookkeeper.client.AsyncCallback.AddLacCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncCloseCallback (implements org.apache.bookkeeper.client.AsyncCallback.CloseCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncCreateAdvCallback (implements org.apache.bookkeeper.client.AsyncCallback.CreateCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncCreateCallback (implements org.apache.bookkeeper.client.AsyncCallback.CreateCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncDeleteCallback (implements org.apache.bookkeeper.client.AsyncCallback.DeleteCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncOpenCallback (implements org.apache.bookkeeper.client.AsyncCallback.OpenCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncReadCallback (implements org.apache.bookkeeper.client.AsyncCallback.ReadCallback)
  • org.apache.bookkeeper.client.SyncCallbackUtils.SyncReadLastConfirmedCallback (implements org.apache.bookkeeper.client.AsyncCallback.ReadLastConfirmedCallback)
  • org.apache.bookkeeper.client.SyncCounter
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • org.apache.bookkeeper.client.api.BKException
        • org.apache.bookkeeper.client.BKException
          • org.apache.bookkeeper.client.BKException.BKAddEntryQuorumTimeoutException
          • org.apache.bookkeeper.client.BKException.BKBookieException
          • org.apache.bookkeeper.client.BKException.BKBookieHandleNotAvailableException
          • org.apache.bookkeeper.client.BKException.BKClientClosedException
          • org.apache.bookkeeper.client.BKException.BKDataUnknownException
          • org.apache.bookkeeper.client.BKException.BKDigestMatchException
          • org.apache.bookkeeper.client.BKException.BKDigestNotInitializedException
          • org.apache.bookkeeper.client.BKException.BKDuplicateEntryIdException
          • org.apache.bookkeeper.client.BKException.BKIllegalOpException
          • org.apache.bookkeeper.client.BKException.BKIncorrectParameterException
          • org.apache.bookkeeper.client.BKException.BKInterruptedException
          • org.apache.bookkeeper.client.BKException.BKLedgerClosedException
          • org.apache.bookkeeper.client.BKException.BKLedgerExistException
          • org.apache.bookkeeper.client.BKException.BKLedgerFencedException
          • org.apache.bookkeeper.client.BKException.BKLedgerIdOverflowException
          • org.apache.bookkeeper.client.BKException.BKLedgerRecoveryException
          • org.apache.bookkeeper.client.BKException.BKMetadataSerializationException
          • org.apache.bookkeeper.client.BKException.BKMetadataVersionException
          • org.apache.bookkeeper.client.BKException.BKNoSuchEntryException
          • org.apache.bookkeeper.client.BKException.BKNoSuchLedgerExistsException
          • org.apache.bookkeeper.client.BKException.BKNoSuchLedgerExistsOnMetadataServerException
          • org.apache.bookkeeper.client.BKException.BKNotEnoughBookiesException
          • org.apache.bookkeeper.client.BKException.BKProtocolVersionException
          • org.apache.bookkeeper.client.BKException.BKQuorumException
          • org.apache.bookkeeper.client.BKException.BKReadException
          • org.apache.bookkeeper.client.BKException.BKReplicationException
          • org.apache.bookkeeper.client.BKException.BKSecurityException
          • org.apache.bookkeeper.client.BKException.BKTimeoutException
          • org.apache.bookkeeper.client.BKException.BKTooManyRequestsException
          • org.apache.bookkeeper.client.BKException.BKUnauthorizedAccessException
          • org.apache.bookkeeper.client.BKException.BKUnclosedFragmentException
          • org.apache.bookkeeper.client.BKException.BKUnexpectedConditionException
          • org.apache.bookkeeper.client.BKException.BKWriteException
          • org.apache.bookkeeper.client.BKException.BKWriteOnReadOnlyBookieException
          • org.apache.bookkeeper.client.BKException.MetaStoreException
          • org.apache.bookkeeper.client.BKException.ZKException
      • org.apache.bookkeeper.client.LedgerChecker.InvalidFragmentException
      • java.lang.RuntimeException
        • org.apache.bookkeeper.conf.UncheckedConfigurationException
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy<T>)
    • org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicyImpl
      • org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicy (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy<T>)
        • org.apache.bookkeeper.client.RegionAwareEnsemblePlacementPolicy
    • org.apache.bookkeeper.client.ZoneawareEnsemblePlacementPolicyImpl
      • org.apache.bookkeeper.client.ZoneawareEnsemblePlacementPolicy (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy<T>)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.DefaultResolver (implements org.apache.bookkeeper.net.DNSToSwitchMapping)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.DNSResolverDecorator (implements org.apache.bookkeeper.net.DNSToSwitchMapping)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble<T>)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble<T>, org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate<T>)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.RackOrRegionDurabilityCoverageSet (implements org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.CoverageSet)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.RackQuorumCoverageSet (implements org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.CoverageSet)
  • org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.TruePredicate (implements org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate<T>)
  • org.apache.bookkeeper.client.TryReadLastConfirmedOp (implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadEntryCallback)
  • org.apache.bookkeeper.client.UpdateLedgerOp
  • org.apache.bookkeeper.client.WeightedRandomSelectionImpl<T> (implements org.apache.bookkeeper.client.WeightedRandomSelection<T>)
  • org.apache.bookkeeper.client.ZoneawareEnsemblePlacementPolicyImpl.ZoneAwareNodeLocation

Interface Hierarchy

• org.apache.bookkeeper.client.AsyncCallback
• org.apache.bookkeeper.client.AsyncCallback.AddCallbackWithLatency
  • org.apache.bookkeeper.client.AsyncCallback.AddCallback
• org.apache.bookkeeper.client.AsyncCallback.AddLacCallback
• org.apache.bookkeeper.client.AsyncCallback.CloseCallback
• org.apache.bookkeeper.client.AsyncCallback.CreateCallback
• org.apache.bookkeeper.client.AsyncCallback.DeleteCallback
• org.apache.bookkeeper.client.AsyncCallback.IsClosedCallback
• org.apache.bookkeeper.client.AsyncCallback.OpenCallback
• org.apache.bookkeeper.client.AsyncCallback.ReadCallback
• org.apache.bookkeeper.client.AsyncCallback.ReadLastConfirmedAndEntryCallback
• org.apache.bookkeeper.client.AsyncCallback.ReadLastConfirmedCallback
• org.apache.bookkeeper.client.AsyncCallback.RecoverCallback
• java.lang.AutoCloseable
  • org.apache.bookkeeper.client.api.BookKeeper
  • org.apache.bookkeeper.client.api.Handle
    • org.apache.bookkeeper.client.api.ReadHandle
      • org.apache.bookkeeper.client.api.WriteAdvHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle)
      • org.apache.bookkeeper.client.api.WriteHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle)
    • org.apache.bookkeeper.client.api.WriteAdvHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle, org.apache.bookkeeper.client.api.ReadHandle)
    • org.apache.bookkeeper.client.api.WriteHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle, org.apache.bookkeeper.client.api.ReadHandle)
  • org.apache.bookkeeper.client.api.LastConfirmedAndEntry
  • org.apache.bookkeeper.client.api.LedgerEntries (also extends java.lang.Iterable<T>)
  • org.apache.bookkeeper.client.api.LedgerEntry
  • org.apache.bookkeeper.client.api.ListLedgersResult
  • org.apache.bookkeeper.client.api.ReadHandle
    • org.apache.bookkeeper.client.api.WriteAdvHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle)
    • org.apache.bookkeeper.client.api.WriteHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle)
  • org.apache.bookkeeper.client.api.WriteAdvHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle, org.apache.bookkeeper.client.api.ReadHandle)
  • org.apache.bookkeeper.client.api.WriteHandle (also extends org.apache.bookkeeper.client.api.ForceableHandle, org.apache.bookkeeper.client.api.ReadHandle)
• org.apache.bookkeeper.client.api.BKException.Code
  • org.apache.bookkeeper.client.BKException.Code
• org.apache.bookkeeper.client.BookiesHealthInfo
• org.apache.bookkeeper.client.BookiesListener
• org.apache.bookkeeper.client.BookieWatcher
• org.apache.bookkeeper.client.api.BookKeeperBuilder
• org.apache.bookkeeper.client.BookKeeperClientStats
• org.apache.bookkeeper.client.ClientContext
• org.apache.bookkeeper.conf.Configurable
• org.apache.bookkeeper.client.DistributionSchedule
• org.apache.bookkeeper.client.DistributionSchedule.AckSet
• org.apache.bookkeeper.client.DistributionSchedule.QuorumCoverageSet
• org.apache.bookkeeper.client.DistributionSchedule.WriteSet
• org.apache.bookkeeper.client.EnsemblePlacementPolicy
  • org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy<T>
• org.apache.bookkeeper.client.ExplicitLacFlushPolicy
• org.apache.bookkeeper.feature.Feature
• org.apache.bookkeeper.feature.FeatureProvider
• org.apache.bookkeeper.client.api.ForceableHandle
  • org.apache.bookkeeper.client.api.WriteAdvHandle (also extends org.apache.bookkeeper.client.api.ReadHandle)
  • org.apache.bookkeeper.client.api.WriteHandle (also extends org.apache.bookkeeper.client.api.ReadHandle)
• java.lang.Iterable<T>
  • org.apache.bookkeeper.client.api.LedgerEntries (also extends java.lang.AutoCloseable)
• org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble<T>
• org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate<T>
• org.apache.bookkeeper.client.api.LedgerMetadata
• org.apache.bookkeeper.client.api.LedgersIterator
• org.apache.bookkeeper.client.MetadataUpdateLoop.LocalValueUpdater
• org.apache.bookkeeper.client.MetadataUpdateLoop.MetadataTransform
• org.apache.bookkeeper.client.MetadataUpdateLoop.NeedsUpdatePredicate
• org.apache.bookkeeper.client.api.OpBuilder<T>
  • org.apache.bookkeeper.client.api.CreateAdvBuilder
  • org.apache.bookkeeper.client.api.CreateBuilder
  • org.apache.bookkeeper.client.api.DeleteBuilder
  • org.apache.bookkeeper.client.api.ListLedgersResultBuilder
  • org.apache.bookkeeper.client.api.OpenBuilder
• org.apache.bookkeeper.client.PendingReadLacOp.LacCallback
• org.apache.bookkeeper.client.RackChangeNotifier
• org.apache.bookkeeper.client.ReadLastConfirmedAndEntryOp.LastConfirmedAndEntryCallback
• org.apache.bookkeeper.client.ReadLastConfirmedOp.LastConfirmedDataCallback
• org.apache.bookkeeper.client.SpeculativeRequestExecutionPolicy
• org.apache.bookkeeper.client.SpeculativeRequestExecutor
• org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.CoverageSet
• org.apache.bookkeeper.client.WeightedRandomSelection<T>
• org.apache.bookkeeper.client.WeightedRandomSelection.WeightedObject

Enum Hierarchy

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • org.apache.bookkeeper.client.BookieInfoReader.State
    • org.apache.bookkeeper.client.EnsemblePlacementPolicy.PlacementPolicyAdherence
    • org.apache.bookkeeper.client.BookKeeper.DigestType
    • org.apache.bookkeeper.client.api.WriteFlag
    • org.apache.bookkeeper.client.api.DigestType
    • org.apache.bookkeeper.client.api.LedgerMetadata.State