Package org.apache.bookkeeper.mledger.impl

Class ReadOnlyManagedLedgerImpl

java.lang.Object

org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl

org.apache.bookkeeper.mledger.impl.ReadOnlyManagedLedgerImpl

All Implemented Interfaces:

AsyncCallback.CreateCallback, ManagedLedger

public class ReadOnlyManagedLedgerImpl
extends ManagedLedgerImpl

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl

ManagedLedgerImpl.PositionBound, ManagedLedgerImpl.State

Field Summary

Fields inherited from class org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl

ADD_OP_COUNT_UPDATER, AsyncOperationTimeoutSeconds, bookKeeper, clock, config, currentLedger, currentLedgerEntries, currentLedgerSize, DEFAULT_LEDGER_DELETE_BACKOFF_TIME_SEC, DEFAULT_LEDGER_DELETE_RETRIES, digestType, executor, lastAddEntryTimeMs, lastLedgerCreatedTimestamp, ledgers, ledgersStat, managedLedgerInterceptor, mbean, mlOwnershipChecker, name, propertiesMap, state, STATE_UPDATER, store

Constructor Summary

Constructors

Constructor	Description
ReadOnlyManagedLedgerImpl(ManagedLedgerFactoryImpl factory, BookKeeper bookKeeper, MetaStore store, ManagedLedgerConfig config, org.apache.bookkeeper.common.util.OrderedScheduler scheduledExecutor, String name)

Method Summary

Modifier and Type	Method	Description
void	asyncReadEntry(PositionImpl position, AsyncCallbacks.ReadEntryCallback callback, Object ctx)
long	getNumberOfEntries()	Get the total number of entries for this managed ledger.
protected boolean	isReadOnly()

Methods inherited from class org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl

activateCursor, addEntry, addEntry, addEntry, addEntry, addWaitingCursor, addWaitingEntryCallBack, afterFailedAddEntry, asyncAddEntry, asyncAddEntry, asyncAddEntry, asyncAddEntry, asyncAddEntry, asyncClose, asyncCreateLedger, asyncDelete, asyncDeleteCursor, asyncDeleteProperty, asyncFindPosition, asyncMigrate, asyncOffloadPrefix, asyncOpenCursor, asyncOpenCursor, asyncOpenCursor, asyncReadEntry, asyncReadEntry, asyncSetProperties, asyncSetProperty, asyncTerminate, asyncTruncate, beforeAddEntry, checkAndCompleteLedgerOpTask, checkCursorsToCacheEntries, checkInactiveLedgerAndRollOver, close, createComplete, createManagedLedgerException, createManagedLedgerException, deactivateCursor, delete, deleteCursor, deleteProperty, doDeleteLedgers, getActiveCursors, getCacheSize, getClock, getConfig, getCurrentLedgerEntries, getCurrentLedgerSize, getCursors, getEarliestMessagePublishTimeInBacklog, getEarliestMessagePublishTimeOfPos, getEnsemblesAsync, getEntriesAddedCounter, getEstimatedBacklogSize, getEstimatedBacklogSize, getFirstPosition, getLastConfirmedEntry, getLastLedgerCreatedTimestamp, getLastLedgerCreationFailureTimestamp, getLastOffloadedFailureTimestamp, getLastOffloadedLedgerId, getLastOffloadedSuccessTimestamp, getLedgerInfo, getLedgerMetadata, getLedgersInfo, getLedgersInfoAsList, getManagedLedgerInfo, getManagedLedgerInterceptor, getManagedLedgerInternalStats, getName, getNextValidLedger, getNextValidPosition, getNextValidPositionInternal, getNumberOfActiveEntries, getOffloadedSize, getOptionalLedgerInfo, getPendingAddEntriesCount, getPositionAfterN, getPreviousPosition, getProperties, getSlowestConsumer, getState, getStats, getTheSlowestNonDurationReadPosition, getTotalSize, getValidPositionAfterSkippedEntries, getWaitingCursorsCount, handleBadVersion, hasActiveCursors, hasMoreEntries, initializeBookKeeper, initializeCursors, internalAsyncAddEntry, invalidateLedgerHandle, isCursorActive, isMigrated, isNoMessagesAfterPos, isTerminated, isValidPosition, ledgerExists, maybeUpdateCursorBeforeTrimmingConsumedLedger, newNonDurableCursor, newNonDurableCursor, newNonDurableCursor, offloadPrefix, onCursorReadPositionUpdated, openCursor, openCursor, openCursor, readyToCreateNewLedger, removeWaitingCursor, rollCurrentLedgerIfFull, setConfig, setEntriesAddedCounter, setProperties, setProperty, skipNonRecoverableLedger, terminate, trimConsumedLedgersInBackground, trimConsumedLedgersInBackground, updateLastLedgerCreatedTimeAndScheduleRolloverTask, updateLedgersIdsComplete

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ReadOnlyManagedLedgerImpl

public ReadOnlyManagedLedgerImpl(ManagedLedgerFactoryImpl factory,
 BookKeeper bookKeeper,
 MetaStore store,
 ManagedLedgerConfig config,
 org.apache.bookkeeper.common.util.OrderedScheduler scheduledExecutor,
 String name)

Method Details

asyncReadEntry

public void asyncReadEntry(PositionImpl position,
 AsyncCallbacks.ReadEntryCallback callback,
 Object ctx)

Overrides:

asyncReadEntry in class ManagedLedgerImpl

getNumberOfEntries

public long getNumberOfEntries()

Description copied from interface: ManagedLedger

Get the total number of entries for this managed ledger.

This is defined by the number of entries in all the BookKeeper ledgers that are being maintained by this ManagedLedger.

This method is non-blocking.

Specified by:

getNumberOfEntries in interface ManagedLedger

Overrides:

getNumberOfEntries in class ManagedLedgerImpl

Returns:

the number of entries

isReadOnly

protected boolean isReadOnly()

Overrides:

isReadOnly in class ManagedLedgerImpl