Package org.apache.bookkeeper.client

Class LedgerMetadataUtils

java.lang.Object

org.apache.bookkeeper.client.LedgerMetadataUtils

public class LedgerMetadataUtils
extends Object

Utilities for working with ledger metadata.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
LedgerMetadataUtils()

Method Summary

Modifier and Type	Method	Description
(package private) static Set<BookieId>	getBookiesInThisLedger(LedgerMetadata metadata)
(package private) static List<BookieId>	getCurrentEnsemble(LedgerMetadata metadata)
(package private) static Long	getLastEnsembleKey(LedgerMetadata metadata)
(package private) static List<BookieId>	getLastEnsembleValue(LedgerMetadata metadata)
(package private) static long	getNextEnsembleChange(LedgerMetadata metadata, long entryId)	the entry id greater than the given entry-id at which the next ensemble change takes place.
static boolean	shouldStoreCtime(LedgerMetadata metadata)

Methods inherited from class java.lang.Object

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

Field Details

LOG

static final org.slf4j.Logger LOG

Constructor Details

LedgerMetadataUtils

public LedgerMetadataUtils()

Method Details

getCurrentEnsemble

static List<BookieId> getCurrentEnsemble(LedgerMetadata metadata)

getNextEnsembleChange

static long getNextEnsembleChange(LedgerMetadata metadata,
 long entryId)

the entry id greater than the given entry-id at which the next ensemble change takes place.

Parameters:

entryId -

Returns:

the entry id of the next ensemble change (-1 if no further ensemble changes)

getBookiesInThisLedger

static Set<BookieId> getBookiesInThisLedger(LedgerMetadata metadata)

getLastEnsembleValue

static List<BookieId> getLastEnsembleValue(LedgerMetadata metadata)

getLastEnsembleKey

static Long getLastEnsembleKey(LedgerMetadata metadata)

shouldStoreCtime

public static boolean shouldStoreCtime(LedgerMetadata metadata)