Package org.apache.bookkeeper.meta

Class NullMetadataBookieDriver

java.lang.Object

org.apache.bookkeeper.meta.NullMetadataBookieDriver

All Implemented Interfaces:

AutoCloseable, MetadataBookieDriver

public class NullMetadataBookieDriver
extends Object
implements MetadataBookieDriver

A no-op implementation of MetadataBookieDriver.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NullMetadataBookieDriver.NullLayoutManager	A no-op implementation of LayoutManager.
static class	NullMetadataBookieDriver.NullLedgerAuditorManager	A no-op implementation of LedgerAuditorManager.
static class	NullMetadataBookieDriver.NullLedgerIdGenerator	A no-op implementation of LedgerIdGenerator.
static class	NullMetadataBookieDriver.NullLedgerManager	A no-op implementation of LedgerManager.
static class	NullMetadataBookieDriver.NullLedgerManagerFactory	A no-op implementation of LedgerManagerFactory.
static class	NullMetadataBookieDriver.NullLedgerUnderreplicationManager	A no-op implementation of LedgerUnderreplicationManager.
static class	NullMetadataBookieDriver.NullRegistrationManager	A no-op implementation of RegistrationManager.

Constructor Summary

Constructors

Constructor	Description
NullMetadataBookieDriver()

Method Summary

Modifier and Type	Method	Description
void	close()
RegistrationManager	createRegistrationManager()	Create the registration manager used for registering/unregistering bookies.
LayoutManager	getLayoutManager()	Return the layout manager.
LedgerManagerFactory	getLedgerManagerFactory()	Return the ledger manager factory used for accessing ledger metadata.
String	getScheme()	Get the scheme of the metadata driver.
MetadataBookieDriver	initialize(ServerConfiguration conf, StatsLogger statsLogger)	Initialize the metadata driver.

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.meta.MetadataBookieDriver

disableHealthCheck, enableHealthCheck, isHealthCheckEnabled

Constructor Details

NullMetadataBookieDriver

public NullMetadataBookieDriver()

Method Details

initialize

public MetadataBookieDriver initialize(ServerConfiguration conf,
 StatsLogger statsLogger)

Description copied from interface: MetadataBookieDriver

Initialize the metadata driver.

Specified by:

initialize in interface MetadataBookieDriver

Parameters:

conf - configuration

statsLogger - stats logger

Returns:

metadata driver

getScheme

public String getScheme()

Description copied from interface: MetadataBookieDriver

Get the scheme of the metadata driver.

Specified by:

getScheme in interface MetadataBookieDriver

Returns:

the scheme of the metadata driver.

createRegistrationManager

public RegistrationManager createRegistrationManager()

Description copied from interface: MetadataBookieDriver

Create the registration manager used for registering/unregistering bookies.

Specified by:

createRegistrationManager in interface MetadataBookieDriver

Returns:

the registration manager used for registering/unregistering bookies.

getLedgerManagerFactory

public LedgerManagerFactory getLedgerManagerFactory()

Description copied from interface: MetadataBookieDriver

Return the ledger manager factory used for accessing ledger metadata.

Specified by:

getLedgerManagerFactory in interface MetadataBookieDriver

Returns:

the ledger manager factory used for accessing ledger metadata.

getLayoutManager

public LayoutManager getLayoutManager()

Description copied from interface: MetadataBookieDriver

Return the layout manager.

Specified by:

getLayoutManager in interface MetadataBookieDriver

Returns:

the layout manager.

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface MetadataBookieDriver