Package org.apache.bookkeeper.bookie

Class ReadOnlyDefaultEntryLogger

java.lang.Object

org.apache.bookkeeper.bookie.DefaultEntryLogger

org.apache.bookkeeper.bookie.ReadOnlyDefaultEntryLogger

All Implemented Interfaces:

AutoCloseable, EntryLogger

public class ReadOnlyDefaultEntryLogger
extends DefaultEntryLogger

Read Only Entry Logger.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.bookkeeper.bookie.DefaultEntryLogger

DefaultEntryLogger.BufferedLogChannel, DefaultEntryLogger.EntryLogListener, DefaultEntryLogger.EntryLookupException, DefaultEntryLogger.RecentEntryLogsStatus

Field Summary

Fields inherited from class org.apache.bookkeeper.bookie.DefaultEntryLogger

conf, entryLoggerAllocator, HEADER_CURRENT_VERSION, HEADER_VERSION_POSITION, INVALID_LID, LEDGERS_MAP_ENTRY_ID, LEDGERS_MAP_ENTRY_SIZE, LEDGERS_MAP_HEADER_SIZE, LEDGERS_MAP_MAX_BATCH_SIZE, LEDGERS_MAP_OFFSET_POSITION, LOGFILE_HEADER_SIZE, MB, MIN_SANE_ENTRY_SIZE, recentlyCreatedEntryLogsStatus, UNINITIALIZED_LOG_ID

Fields inherited from interface org.apache.bookkeeper.bookie.storage.EntryLogger

LOG_FILE_SUFFIX, UNASSIGNED_LEDGERID

Constructor Summary

Constructors

Constructor	Description
ReadOnlyDefaultEntryLogger(ServerConfiguration conf)

Method Summary

Modifier and Type	Method	Description
long	addEntry(long ledgerId, ByteBuffer entry)
boolean	removeEntryLog(long entryLogId)	Remove entry log.

Methods inherited from class org.apache.bookkeeper.bookie.DefaultEntryLogger

addEntry, addEntry, addListener, checkEntry, checkpoint, clearCompactingLogId, close, commitEntryMemTableFlush, extractEntryLogMetadataFromIndex, fileName2LogId, flush, getChannelForLogId, getEntryLoggerAllocator, getEntryLogManager, getEntryLogMetadata, getEntryLogsSet, getFlushedLogIds, getFromChannels, getLeastUnflushedLogId, getLedgerDirsManager, getPreviousAllocatedEntryLogId, incompleteCompactionLogs, logExists, logId2HexString, logIdForOffset, newCompactionLog, posForOffset, prepareEntryMemTableFlush, prepareSortedLedgerStorageCheckpoint, putInReadChannels, readEntry, readEntry, removeFromChannelsAndClose, scanEntryLog

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.bookkeeper.bookie.storage.EntryLogger

getEntryLogMetadata

Constructor Details

ReadOnlyDefaultEntryLogger

public ReadOnlyDefaultEntryLogger(ServerConfiguration conf)
                           throws IOException

Throws:

IOException

Method Details

removeEntryLog

public boolean removeEntryLog(long entryLogId)

Description copied from class: DefaultEntryLogger

Remove entry log.

Specified by:

removeEntryLog in interface EntryLogger

Overrides:

removeEntryLog in class DefaultEntryLogger

Parameters:

entryLogId - Entry Log File Id

Returns:

false if the entrylog doesn't exist.

addEntry

public long addEntry(long ledgerId,
 ByteBuffer entry)
              throws IOException

Overrides:

addEntry in class DefaultEntryLogger

Throws:

IOException