org.apache.pulsar.broker.transaction.pendingack

Interface TransactionPendingAckStoreProvider

All Known Implementing Classes:

InMemoryPendingAckStoreProvider, MLPendingAckStoreProvider

public interface TransactionPendingAckStoreProvider

Provider of transaction pending ack store.

Method Summary

Modifier and Type	Method and Description
CompletableFuture<Boolean>	checkInitializedBefore(PersistentSubscription subscription) Check pending ack store has been initialized before.
CompletableFuture<PendingAckStore>	newPendingAckStore(PersistentSubscription subscription) Open the pending ack store.
static TransactionPendingAckStoreProvider	newProvider(String providerClassName) Construct a provider from the provided class.

Method Detail

newProvider

static TransactionPendingAckStoreProvider newProvider(String providerClassName)
                                               throws IOException

Construct a provider from the provided class.

Parameters:

providerClassName - String the provider class name

Returns:

an instance of transaction buffer provider.

Throws:

IOException

newPendingAckStore

CompletableFuture<PendingAckStore> newPendingAckStore(PersistentSubscription subscription)

Open the pending ack store.

Parameters:

subscription - PersistentSubscription

Returns:

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

checkInitializedBefore

CompletableFuture<Boolean> checkInitializedBefore(PersistentSubscription subscription)

Check pending ack store has been initialized before.

Parameters:

subscription - PersistentSubscription

Returns:

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