程序包 org.apache.bookkeeper.mledger.impl

类 MetaStoreImpl

java.lang.Object

org.apache.bookkeeper.mledger.impl.MetaStoreImpl

所有已实现的接口:

MetaStore

public class MetaStoreImpl
extends Object
implements MetaStore

嵌套类概要

从接口继承的嵌套类/接口 org.apache.bookkeeper.mledger.impl.MetaStore

MetaStore.MetaStoreCallback<T>, MetaStore.UpdateLedgersIdsCallback

构造器概要

构造器

构造器	说明
MetaStoreImpl(org.apache.pulsar.metadata.api.MetadataStore store, org.apache.bookkeeper.common.util.OrderedExecutor executor)
MetaStoreImpl(org.apache.pulsar.metadata.api.MetadataStore store, org.apache.bookkeeper.common.util.OrderedExecutor executor, String ledgerInfoCompressionType, String cursorInfoCompressionType)

方法概要

修饰符和类型	方法	说明
CompletableFuture<Boolean>	asyncExists(String path)	Check ledger exists.
void	asyncGetCursorInfo(String ledgerName, String cursorName, MetaStore.MetaStoreCallback<MLDataFormats.ManagedCursorInfo> callback)	Get the ledger id associated with a cursor.
void	asyncRemoveCursor(String ledgerName, String cursorName, MetaStore.MetaStoreCallback<Void> callback)	Drop the persistent state of a consumer from the metadata store.
void	asyncUpdateCursorInfo(String ledgerName, String cursorName, MLDataFormats.ManagedCursorInfo info, org.apache.pulsar.metadata.api.Stat stat, MetaStore.MetaStoreCallback<Void> callback)	Update the persisted position of a cursor.
void	asyncUpdateLedgerIds(String ledgerName, MLDataFormats.ManagedLedgerInfo mlInfo, org.apache.pulsar.metadata.api.Stat stat, MetaStore.MetaStoreCallback<Void> callback)
byte[]	compressCursorInfo(MLDataFormats.ManagedCursorInfo managedCursorInfo)
byte[]	compressLedgerInfo(MLDataFormats.ManagedLedgerInfo managedLedgerInfo)
void	getCursors(String ledgerName, MetaStore.MetaStoreCallback<List<String>> callback)	Get the list of cursors registered on a ManagedLedger.
void	getManagedLedgerInfo(String ledgerName, boolean createIfMissing, Map<String,String> properties, MetaStore.MetaStoreCallback<MLDataFormats.ManagedLedgerInfo> callback)	Get the metadata used by the ManagedLedger.
Iterable<String>	getManagedLedgers()	Get a list of all the managed ledgers in the system.
MLDataFormats.ManagedCursorInfo	parseManagedCursorInfo(byte[] data)
MLDataFormats.ManagedLedgerInfo	parseManagedLedgerInfo(byte[] data)
void	removeManagedLedger(String ledgerName, MetaStore.MetaStoreCallback<Void> callback)	Drop the persistent state for the ManagedLedger and all its associated consumers.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.bookkeeper.mledger.impl.MetaStore

getManagedLedgerInfo

构造器详细资料

MetaStoreImpl

public MetaStoreImpl(org.apache.pulsar.metadata.api.MetadataStore store,
 org.apache.bookkeeper.common.util.OrderedExecutor executor)

MetaStoreImpl

public MetaStoreImpl(org.apache.pulsar.metadata.api.MetadataStore store,
 org.apache.bookkeeper.common.util.OrderedExecutor executor,
 String ledgerInfoCompressionType,
 String cursorInfoCompressionType)

方法详细资料

getManagedLedgerInfo

public void getManagedLedgerInfo(String ledgerName,
 boolean createIfMissing,
 Map<String,String> properties,
 MetaStore.MetaStoreCallback<MLDataFormats.ManagedLedgerInfo> callback)

从接口复制的说明: MetaStore

Get the metadata used by the ManagedLedger.

指定者:

getManagedLedgerInfo 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

createIfMissing - whether the managed ledger metadata should be created if it doesn't exist already

properties - ledger properties

asyncUpdateLedgerIds

public void asyncUpdateLedgerIds(String ledgerName,
 MLDataFormats.ManagedLedgerInfo mlInfo,
 org.apache.pulsar.metadata.api.Stat stat,
 MetaStore.MetaStoreCallback<Void> callback)

指定者:

asyncUpdateLedgerIds 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

mlInfo - managed ledger info

stat - version object associated with current state

callback - callback object

getCursors

public void getCursors(String ledgerName,
 MetaStore.MetaStoreCallback<List<String>> callback)

从接口复制的说明: MetaStore

Get the list of cursors registered on a ManagedLedger.

指定者:

getCursors 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

asyncGetCursorInfo

public void asyncGetCursorInfo(String ledgerName,
 String cursorName,
 MetaStore.MetaStoreCallback<MLDataFormats.ManagedCursorInfo> callback)

从接口复制的说明: MetaStore

Get the ledger id associated with a cursor.

This ledger id will contains the mark-deleted position for the cursor.

指定者:

asyncGetCursorInfo 在接口中 MetaStore

asyncUpdateCursorInfo

public void asyncUpdateCursorInfo(String ledgerName,
 String cursorName,
 MLDataFormats.ManagedCursorInfo info,
 org.apache.pulsar.metadata.api.Stat stat,
 MetaStore.MetaStoreCallback<Void> callback)

从接口复制的说明: MetaStore

Update the persisted position of a cursor.

指定者:

asyncUpdateCursorInfo 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

callback - the callback

asyncRemoveCursor

public void asyncRemoveCursor(String ledgerName,
 String cursorName,
 MetaStore.MetaStoreCallback<Void> callback)

从接口复制的说明: MetaStore

Drop the persistent state of a consumer from the metadata store.

指定者:

asyncRemoveCursor 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

cursorName - the cursor name

callback - callback object

removeManagedLedger

public void removeManagedLedger(String ledgerName,
 MetaStore.MetaStoreCallback<Void> callback)

从接口复制的说明: MetaStore

Drop the persistent state for the ManagedLedger and all its associated consumers.

指定者:

removeManagedLedger 在接口中 MetaStore

参数:

ledgerName - the name of the ManagedLedger

callback - callback object

getManagedLedgers

public Iterable<String> getManagedLedgers()
                                   throws ManagedLedgerException.MetaStoreException

从接口复制的说明: MetaStore

Get a list of all the managed ledgers in the system.

指定者:

getManagedLedgers 在接口中 MetaStore

返回:

an Iterable of the names of the managed ledgers

抛出:

ManagedLedgerException.MetaStoreException

asyncExists

public CompletableFuture<Boolean> asyncExists(String path)

从接口复制的说明: MetaStore

Check ledger exists.

指定者:

asyncExists 在接口中 MetaStore

参数:

path - String

返回:

a future represents the result of the operation. an instance of Boolean is returned if the operation succeeds.

compressLedgerInfo

public byte[] compressLedgerInfo(MLDataFormats.ManagedLedgerInfo managedLedgerInfo)

compressCursorInfo

public byte[] compressCursorInfo(MLDataFormats.ManagedCursorInfo managedCursorInfo)

parseManagedLedgerInfo

public MLDataFormats.ManagedLedgerInfo parseManagedLedgerInfo(byte[] data)
                                                       throws com.google.protobuf.InvalidProtocolBufferException

抛出:

com.google.protobuf.InvalidProtocolBufferException

parseManagedCursorInfo

public MLDataFormats.ManagedCursorInfo parseManagedCursorInfo(byte[] data)
                                                       throws com.google.protobuf.InvalidProtocolBufferException

抛出:

com.google.protobuf.InvalidProtocolBufferException