Package org.apache.pulsar.transaction.coordinator.impl

Class MLTransactionLogImpl

java.lang.Object

org.apache.pulsar.transaction.coordinator.impl.MLTransactionLogImpl

All Implemented Interfaces:

TransactionLog

public class MLTransactionLogImpl
extends Object
implements TransactionLog

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TRANSACTION_LOG_PREFIX
static final String	TRANSACTION_SUBSCRIPTION_NAME

Constructor Summary

Constructors

Constructor	Description
MLTransactionLogImpl(TransactionCoordinatorID tcID, ManagedLedgerFactory managedLedgerFactory, ManagedLedgerConfig managedLedgerConfig, TxnLogBufferedWriterConfig txnLogBufferedWriterConfig, io.netty.util.Timer timer, TxnLogBufferedWriterMetricsStats bufferedWriterMetrics)

Method Summary

Modifier and Type	Method	Description
CompletableFuture<Position>	append(TransactionMetadataEntry transactionMetadataEntry)	Append the transaction operation to the transaction log.
CompletableFuture<Void>	closeAsync()	Close the transaction log.
CompletableFuture<Void>	deletePosition(List<Position> positions)
static List<TransactionMetadataEntry>	deserializeEntry(io.netty.buffer.ByteBuf buffer)
static List<TransactionMetadataEntry>	deserializeEntry(Entry entry)
ManagedLedger	getManagedLedger()
static TopicName	getMLTransactionLogName(TransactionCoordinatorID tcID)
CompletableFuture<Void>	initialize()	Initialize the TransactionLog implementation.
void	replayAsync(TransactionLogReplayCallback transactionLogReplayCallback)	Replay transaction log to load the transaction map.

Methods inherited from class java.lang.Object

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

Field Details

TRANSACTION_LOG_PREFIX

public static final String TRANSACTION_LOG_PREFIX

See Also:

• Constant Field Values

TRANSACTION_SUBSCRIPTION_NAME

public static final String TRANSACTION_SUBSCRIPTION_NAME

See Also:

• Constant Field Values

Constructor Details

MLTransactionLogImpl

public MLTransactionLogImpl(TransactionCoordinatorID tcID,
 ManagedLedgerFactory managedLedgerFactory,
 ManagedLedgerConfig managedLedgerConfig,
 TxnLogBufferedWriterConfig txnLogBufferedWriterConfig,
 io.netty.util.Timer timer,
 TxnLogBufferedWriterMetricsStats bufferedWriterMetrics)

Method Details

getMLTransactionLogName

public static TopicName getMLTransactionLogName(TransactionCoordinatorID tcID)

initialize

public CompletableFuture<Void> initialize()

Description copied from interface: TransactionLog

Initialize the TransactionLog implementation.

Specified by:

initialize in interface TransactionLog

replayAsync

public void replayAsync(TransactionLogReplayCallback transactionLogReplayCallback)

Description copied from interface: TransactionLog

Replay transaction log to load the transaction map.

Specified by:

replayAsync in interface TransactionLog

Parameters:

transactionLogReplayCallback - the call back for replaying the transaction log

closeAsync

public CompletableFuture<Void> closeAsync()

Description copied from interface: TransactionLog

Close the transaction log.

Specified by:

closeAsync in interface TransactionLog

append

public CompletableFuture<Position> append(TransactionMetadataEntry transactionMetadataEntry)

Description copied from interface: TransactionLog

Append the transaction operation to the transaction log.

Specified by:

append in interface TransactionLog

Parameters:

transactionMetadataEntry - TransactionMetadataEntry transaction metadata entry

Returns:

a future represents the result of this operation

deletePosition

public CompletableFuture<Void> deletePosition(List<Position> positions)

getManagedLedger

public ManagedLedger getManagedLedger()

deserializeEntry

public static List<TransactionMetadataEntry> deserializeEntry(io.netty.buffer.ByteBuf buffer)

deserializeEntry

public static List<TransactionMetadataEntry> deserializeEntry(Entry entry)