Package org.apache.pulsar.broker.transaction.buffer.impl

Class SingleSnapshotAbortedTxnProcessorImpl

java.lang.Object

org.apache.pulsar.broker.transaction.buffer.impl.SingleSnapshotAbortedTxnProcessorImpl

All Implemented Interfaces:

AbortedTxnProcessor

public class SingleSnapshotAbortedTxnProcessorImpl
extends Object
implements AbortedTxnProcessor

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.pulsar.broker.transaction.buffer.AbortedTxnProcessor

AbortedTxnProcessor.SnapshotType

Constructor Summary

Constructors

Constructor	Description
SingleSnapshotAbortedTxnProcessorImpl(PersistentTopic topic)

Method Summary

Modifier and Type	Method	Description
boolean	checkAbortedTransaction(org.apache.pulsar.client.api.transaction.TxnID txnID)	Check whether the transaction ID is an aborted transaction ID.
CompletableFuture<Void>	clearAbortedTxnSnapshot()	Delete the transaction buffer aborted transaction snapshot.
CompletableFuture<Void>	closeAsync()
org.apache.pulsar.common.policies.data.TransactionBufferStats	generateSnapshotStats(boolean segmentStats)	Get the lastSnapshotTimestamps.
void	putAbortedTxnAndPosition(org.apache.pulsar.client.api.transaction.TxnID abortedTxnId, Position abortedMarkerPersistentPosition)	After the transaction buffer writes a transaction aborted marker to the topic, the transaction buffer will put the aborted txnID and the aborted marker position to AbortedTxnProcessor.
CompletableFuture<Position>	recoverFromSnapshot()	Recover transaction buffer by transaction buffer snapshot.
CompletableFuture<Void>	takeAbortedTxnsSnapshot(Position maxReadPosition)	Take aborted transactions snapshot.
void	trimExpiredAbortedTxns()	Clean up invalid aborted transactions.

Methods inherited from class java.lang.Object

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

Constructor Details

SingleSnapshotAbortedTxnProcessorImpl

public SingleSnapshotAbortedTxnProcessorImpl(PersistentTopic topic)

Method Details

putAbortedTxnAndPosition

public void putAbortedTxnAndPosition(org.apache.pulsar.client.api.transaction.TxnID abortedTxnId,
 Position abortedMarkerPersistentPosition)

Description copied from interface: AbortedTxnProcessor

After the transaction buffer writes a transaction aborted marker to the topic, the transaction buffer will put the aborted txnID and the aborted marker position to AbortedTxnProcessor.

Specified by:

putAbortedTxnAndPosition in interface AbortedTxnProcessor

Parameters:

abortedTxnId - aborted transaction ID.

abortedMarkerPersistentPosition - the position of the abort txn marker.

trimExpiredAbortedTxns

public void trimExpiredAbortedTxns()

Description copied from interface: AbortedTxnProcessor

Clean up invalid aborted transactions.

Specified by:

trimExpiredAbortedTxns in interface AbortedTxnProcessor

checkAbortedTransaction

public boolean checkAbortedTransaction(org.apache.pulsar.client.api.transaction.TxnID txnID)

Description copied from interface: AbortedTxnProcessor

Check whether the transaction ID is an aborted transaction ID.

Specified by:

checkAbortedTransaction in interface AbortedTxnProcessor

Parameters:

txnID - the transaction ID that needs to be checked.

Returns:

a boolean, whether the transaction ID is an aborted transaction ID.

recoverFromSnapshot

public CompletableFuture<Position> recoverFromSnapshot()

Description copied from interface: AbortedTxnProcessor

Recover transaction buffer by transaction buffer snapshot.

Specified by:

recoverFromSnapshot in interface AbortedTxnProcessor

Returns:

a Position (startReadCursorPosition) determiner where to start to recover in the original topic.

clearAbortedTxnSnapshot

public CompletableFuture<Void> clearAbortedTxnSnapshot()

Description copied from interface: AbortedTxnProcessor

Delete the transaction buffer aborted transaction snapshot.

Specified by:

clearAbortedTxnSnapshot in interface AbortedTxnProcessor

Returns:

a completableFuture.

takeAbortedTxnsSnapshot

public CompletableFuture<Void> takeAbortedTxnsSnapshot(Position maxReadPosition)

Description copied from interface: AbortedTxnProcessor

Take aborted transactions snapshot.

Specified by:

takeAbortedTxnsSnapshot in interface AbortedTxnProcessor

Returns:

a completableFuture.

generateSnapshotStats

public org.apache.pulsar.common.policies.data.TransactionBufferStats generateSnapshotStats(boolean segmentStats)

Description copied from interface: AbortedTxnProcessor

Get the lastSnapshotTimestamps.

Specified by:

generateSnapshotStats in interface AbortedTxnProcessor

Returns:

a transactionBufferStats with the stats in the abortedTxnProcessor.

closeAsync

public CompletableFuture<Void> closeAsync()

Specified by:

closeAsync in interface AbortedTxnProcessor