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

Class InMemTransactionBufferReader

java.lang.Object

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

All Implemented Interfaces:

AutoCloseable, TransactionBufferReader

public class InMemTransactionBufferReader
extends Object
implements TransactionBufferReader

A TransactionBufferReader implementation that reads entries from InMemTransactionBuffer.

Constructor Summary

Constructors

Constructor	Description
InMemTransactionBufferReader(org.apache.pulsar.client.api.transaction.TxnID txnId, Iterator<Map.Entry<Long,io.netty.buffer.ByteBuf>> entries, long committedAtLedgerId, long committedAtEntryId)

Method Summary

Modifier and Type	Method	Description
void	close()
CompletableFuture<List<TransactionEntry>>	readNext(int numEntries)	Read next numEntries entries from transaction buffer for the given transaction.

Methods inherited from class java.lang.Object

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

Constructor Details

InMemTransactionBufferReader

public InMemTransactionBufferReader(org.apache.pulsar.client.api.transaction.TxnID txnId,
 Iterator<Map.Entry<Long,io.netty.buffer.ByteBuf>> entries,
 long committedAtLedgerId,
 long committedAtEntryId)

Method Details

readNext

public CompletableFuture<List<TransactionEntry>> readNext(int numEntries)

Description copied from interface: TransactionBufferReader

Read next numEntries entries from transaction buffer for the given transaction.

numEntries is the max number of entries to return. The result returned can be less than numEntries.

Specified by:

readNext in interface TransactionBufferReader

Parameters:

numEntries - the number of entries to read from transaction buffer.

Returns:

a future represents the result of the read operations.

close

public void close()

Description copied from interface: TransactionBufferReader

Specified by:

close in interface AutoCloseable

Specified by:

close in interface TransactionBufferReader