Package org.apache.bookkeeper.meta

Class NullMetadataBookieDriver.NullLedgerIdGenerator

java.lang.Object

org.apache.bookkeeper.meta.NullMetadataBookieDriver.NullLedgerIdGenerator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, LedgerIdGenerator

Enclosing class:

NullMetadataBookieDriver

public static class NullMetadataBookieDriver.NullLedgerIdGenerator
extends java.lang.Object
implements LedgerIdGenerator

A no-op implementation of LedgerIdGenerator.

Constructor Summary

Constructors

Constructor	Description
NullLedgerIdGenerator()

Method Summary

Modifier and Type	Method	Description
void	close()
void	generateLedgerId(BookkeeperInternalCallbacks.GenericCallback<java.lang.Long> cb)	Generate a global unique ledger id.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullLedgerIdGenerator

public NullLedgerIdGenerator()

Method Detail

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

generateLedgerId

public void generateLedgerId(BookkeeperInternalCallbacks.GenericCallback<java.lang.Long> cb)

Description copied from interface: LedgerIdGenerator

Generate a global unique ledger id.

Specified by:

generateLedgerId in interface LedgerIdGenerator

Parameters:

cb - Callback when a new ledger id is generated, return code:

• BKException.Code.OK if success
• BKException.Code.ZKException when can't generate new ledger id