Package org.apache.pulsar.compaction

Class CompactedTopicImpl

java.lang.Object

org.apache.pulsar.compaction.CompactedTopicImpl

All Implemented Interfaces:

CompactedTopic

public class CompactedTopicImpl
extends Object
implements CompactedTopic

Note: If you want to guarantee that strong consistency between `compactionHorizon` and `compactedTopicContext`, you need to call getting them method in "synchronized(CompactedTopicImpl){ ... }" lock block.

Constructor Summary

Constructors

Constructor	Description
CompactedTopicImpl(BookKeeper bk)

Method Summary

Modifier and Type	Method	Description
void	asyncReadEntriesOrWait(ManagedCursor cursor, int maxEntries, long bytesToRead, Position maxReadPosition, boolean isFirstRead, AsyncCallbacks.ReadEntriesCallback callback, Consumer consumer)	Deprecated.
CompletableFuture<Void>	deleteCompactedLedger(long compactedLedgerId)
Optional<CompactedTopicContext>	getCompactedTopicContext()	Getter for CompactedTopicContext.
CompletableFuture<CompactedTopicContext>	getCompactedTopicContextFuture()
Optional<Position>	getCompactionHorizon()
CompletableFuture<CompactedTopicContext>	newCompactedLedger(Position p, long compactedLedgerId)
CompletableFuture<Entry>	readLastEntryOfCompactedLedger()
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Details

CompactedTopicImpl

public CompactedTopicImpl(BookKeeper bk)

Method Details

newCompactedLedger

public CompletableFuture<CompactedTopicContext> newCompactedLedger(Position p,
 long compactedLedgerId)

Specified by:

newCompactedLedger in interface CompactedTopic

deleteCompactedLedger

public CompletableFuture<Void> deleteCompactedLedger(long compactedLedgerId)

Specified by:

deleteCompactedLedger in interface CompactedTopic

asyncReadEntriesOrWait

@Deprecated
public void asyncReadEntriesOrWait(ManagedCursor cursor,
 int maxEntries,
 long bytesToRead,
 Position maxReadPosition,
 boolean isFirstRead,
 AsyncCallbacks.ReadEntriesCallback callback,
 Consumer consumer)

Deprecated.

Description copied from interface: CompactedTopic

Read entries from compacted topic.

Specified by:

asyncReadEntriesOrWait in interface CompactedTopic

getCompactedTopicContext

public Optional<CompactedTopicContext> getCompactedTopicContext()
                                                         throws ExecutionException,
InterruptedException,
TimeoutException

Getter for CompactedTopicContext.

Returns:

CompactedTopicContext

Throws:

ExecutionException

InterruptedException

TimeoutException

readLastEntryOfCompactedLedger

public CompletableFuture<Entry> readLastEntryOfCompactedLedger()

Specified by:

readLastEntryOfCompactedLedger in interface CompactedTopic

getCompactionHorizon

public Optional<Position> getCompactionHorizon()

Specified by:

getCompactionHorizon in interface CompactedTopic

reset

public void reset()

getCompactedTopicContextFuture

@Nullable
public CompletableFuture<CompactedTopicContext> getCompactedTopicContextFuture()