接口的使用
org.apache.bookkeeper.mledger.Position

使用Position的程序包

程序包	说明
org.apache.bookkeeper.mledger	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.bookkeeper.mledger.impl	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.

org.apache.bookkeeper.mledger中Position的使用

返回Position的org.apache.bookkeeper.mledger中的方法

修饰符和类型	方法	说明
Position	ManagedLedger.addEntry(byte[] data)	Append a new entry to the end of a managed ledger.
Position	ManagedLedger.addEntry(byte[] data, int numberOfMessages)	Append a new entry to the end of a managed ledger.
Position	ManagedLedger.addEntry(byte[] data, int offset, int length)	Append a new entry to the end of a managed ledger.
Position	ManagedLedger.addEntry(byte[] data, int numberOfMessages, int offset, int length)	Append a new entry to the end of a managed ledger.
Position	ManagedCursor.findNewestMatching(com.google.common.base.Predicate<Entry> condition)	Find the newest entry that matches the given predicate.
Position	ManagedCursor.findNewestMatching(ManagedCursor.FindPositionConstraint constraint, com.google.common.base.Predicate<Entry> condition)	Find the newest entry that matches the given predicate.
Position	ReadOnlyCursor.findNewestMatching(ManagedCursor.FindPositionConstraint constraint, com.google.common.base.Predicate<Entry> condition)	Find the newest entry that matches the given predicate.
Position	ManagedCursor.getFirstPosition()	Get the first position.
Position	ManagedLedger.getLastConfirmedEntry()	Gets last confirmed entry of the managed ledger.
Position	ManagedCursor.getMarkDeletedPosition()	Get the newest mark deleted position on this cursor.
Position	Position.getNext()	Get the position of the entry next to this one.
Position	ManagedCursor.getPersistentMarkDeletedPosition()	Get the persistent newest mark deleted position on this cursor.
Position	Entry.getPosition()
Position	ManagedCursor.getReadPosition()	Get the read position.
Position	ReadOnlyCursor.getReadPosition()	Get the read position.
Position	LedgerOffloader.OffloadHandle.lastOffered()
Position	ManagedLedger.offloadPrefix(Position pos)	Offload as many entries before position as possible to longterm storage.
Position	ManagedLedger.terminate()	Terminate the managed ledger and return the last committed entry.

返回变量类型为Position的类型的org.apache.bookkeeper.mledger中的方法

修饰符和类型	方法	说明
CompletableFuture<Position>	ManagedLedger.asyncFindPosition(com.google.common.base.Predicate<Entry> predicate)	Find position by sequenceId.
Set<? extends Position>	ManagedCursor.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx)	Read the specified set of positions from ManagedLedger without ordering.
Set<? extends Position>	ManagedCursor.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx, boolean sortEntries)	Read the specified set of positions from ManagedLedger.
CompletableFuture<Position>	LedgerOffloader.OffloadHandle.lastOfferedAsync()

参数类型为Position的org.apache.bookkeeper.mledger中的方法

修饰符和类型	方法	说明
void	AsyncCallbacks.AddEntryCallback.addComplete(Position position, io.netty.buffer.ByteBuf entryData, Object ctx)
void	ManagedCursor.asyncDelete(Position position, AsyncCallbacks.DeleteCallback callback, Object ctx)	Delete a single message asynchronously
void	ManagedCursor.asyncMarkDelete(Position position, Map<String,Long> properties, AsyncCallbacks.MarkDeleteCallback callback, Object ctx)	Asynchronous mark delete.
void	ManagedCursor.asyncMarkDelete(Position position, AsyncCallbacks.MarkDeleteCallback callback, Object ctx)	Asynchronous mark delete.
void	ManagedLedger.asyncOffloadPrefix(Position pos, AsyncCallbacks.OffloadCallback callback, Object ctx)	Offload as many entries before position as possible to longterm storage.
void	ManagedLedgerFactory.asyncOpenReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config, AsyncCallbacks.OpenReadOnlyCursorCallback callback, Object ctx)	Open a ReadOnlyCursor positioned to the earliest entry for the specified managed ledger.
void	ManagedCursor.asyncResetCursor(Position position, boolean forceReset, AsyncCallbacks.ResetCursorCallback callback)	reset the cursor to specified position to enable replay of messages.
void	ManagedCursor.delete(Position position)	Delete a single message.
void	AsyncCallbacks.FindEntryCallback.findEntryComplete(Position position, Object ctx)
void	ManagedCursor.markDelete(Position position)	This signals that the reader is done with all the entries up to "position" (included).
void	ManagedCursor.markDelete(Position position, Map<String,Long> properties)	This signals that the reader is done with all the entries up to "position" (included).
ManagedCursor	ManagedLedger.newNonDurableCursor(Position startCursorPosition)	Creates a new cursor whose metadata is not backed by durable storage.
ManagedCursor	ManagedLedger.newNonDurableCursor(Position startPosition, String subscriptionName)
ManagedCursor	ManagedLedger.newNonDurableCursor(Position startPosition, String subscriptionName, org.apache.pulsar.common.api.proto.CommandSubscribe.InitialPosition initialPosition, boolean isReadCompacted)
void	AsyncCallbacks.OffloadCallback.offloadComplete(Position pos, Object ctx)
Position	ManagedLedger.offloadPrefix(Position pos)	Offload as many entries before position as possible to longterm storage.
ReadOnlyCursor	ManagedLedgerFactory.openReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config)	Open a ReadOnlyCursor positioned to the earliest entry for the specified managed ledger.
void	ManagedCursor.resetCursor(Position position)	reset the cursor to specified position to enable replay of messages.
default void	ManagedCursor.seek(Position newReadPosition)	Move the cursor to a different read position.
void	ManagedCursor.seek(Position newReadPosition, boolean force)
void	AsyncCallbacks.TerminateCallback.terminateComplete(Position lastCommittedPosition, Object ctx)

类型变量类型为Position的org.apache.bookkeeper.mledger中的方法参数

修饰符和类型	方法	说明
void	ManagedCursor.asyncDelete(Iterable<Position> position, AsyncCallbacks.DeleteCallback callback, Object ctx)	Delete a group of messages asynchronously
Set<? extends Position>	ManagedCursor.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx)	Read the specified set of positions from ManagedLedger without ordering.
Set<? extends Position>	ManagedCursor.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx, boolean sortEntries)	Read the specified set of positions from ManagedLedger.
void	ManagedCursor.delete(Iterable<Position> positions)	Delete a group of entries.
void	AsyncCallbacks.FindEntryCallback.findEntryFailed(ManagedLedgerException exception, Optional<Position> failedReadPosition, Object ctx)
List<Entry>	ManagedCursor.replayEntries(Set<? extends Position> positions)	Read the specified set of positions from ManagedLedger.

org.apache.bookkeeper.mledger.impl中Position的使用

实现Position的org.apache.bookkeeper.mledger.impl中的类

修饰符和类型	类	说明
class	PositionImpl
class	PositionImplRecyclable

返回Position的org.apache.bookkeeper.mledger.impl中的方法

修饰符和类型	方法	说明
Position	ManagedLedgerImpl.addEntry(byte[] data)
Position	ManagedLedgerImpl.addEntry(byte[] data, int numberOfMessages)
Position	ManagedLedgerImpl.addEntry(byte[] data, int offset, int length)
Position	ManagedLedgerImpl.addEntry(byte[] data, int numberOfMessages, int offset, int length)
Position	ManagedCursorImpl.findNewestMatching(com.google.common.base.Predicate<Entry> condition)
Position	ManagedCursorImpl.findNewestMatching(ManagedCursor.FindPositionConstraint constraint, com.google.common.base.Predicate<Entry> condition)
Position	ManagedCursorImpl.getFirstPosition()
Position	ManagedLedgerImpl.getLastConfirmedEntry()
Position	ManagedCursorImpl.getMarkDeletedPosition()
Position	ManagedCursorImpl.getNextLedgerPosition(long currentLedgerId)
Position	ManagedCursorImpl.getPersistentMarkDeletedPosition()
Position	ManagedCursorImpl.getReadPosition()
Position	ManagedLedgerImpl.getTheSlowestNonDurationReadPosition()
Position	ManagedLedgerImpl.offloadPrefix(Position pos)
Position	ManagedLedgerImpl.terminate()

返回变量类型为Position的类型的org.apache.bookkeeper.mledger.impl中的方法

修饰符和类型	方法	说明
CompletableFuture<Position>	ManagedLedgerImpl.asyncFindPosition(com.google.common.base.Predicate<Entry> predicate)
Set<? extends Position>	ManagedCursorImpl.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx)	Async replays given positions: a. before reading it filters out already-acked messages b. reads remaining entries async and gives it to given ReadEntriesCallback c. returns all already-acked messages which are not replayed so, those messages can be removed by caller(Dispatcher)'s replay-list and it won't try to replay it again
Set<? extends Position>	ManagedCursorImpl.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx, boolean sortEntries)

参数类型为Position的org.apache.bookkeeper.mledger.impl中的方法

修饰符和类型	方法	说明
void	ManagedCursorContainer.add(ManagedCursor cursor, Position position)	Add a cursor to the container.
void	ManagedCursorImpl.asyncDelete(Position pos, AsyncCallbacks.DeleteCallback callback, Object ctx)
void	ManagedCursorImpl.asyncMarkDelete(Position position, Map<String,Long> properties, AsyncCallbacks.MarkDeleteCallback callback, Object ctx)
void	ManagedCursorImpl.asyncMarkDelete(Position position, AsyncCallbacks.MarkDeleteCallback callback, Object ctx)
void	ManagedLedgerImpl.asyncOffloadPrefix(Position pos, AsyncCallbacks.OffloadCallback callback, Object ctx)
void	ManagedLedgerFactoryImpl.asyncOpenReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config, AsyncCallbacks.OpenReadOnlyCursorCallback callback, Object ctx)
void	ManagedCursorImpl.asyncResetCursor(Position newPos, boolean forceReset, AsyncCallbacks.ResetCursorCallback callback)
org.apache.commons.lang3.tuple.Pair<PositionImpl,PositionImpl>	ManagedCursorContainer.cursorUpdated(ManagedCursor cursor, Position newPosition)	Signal that a cursor position has been updated and that the container must re-order the cursor heap tracking the slowest reader.
void	ManagedCursorImpl.delete(Position position)
long[]	ManagedCursorImpl.getBatchPositionAckSet(Position position)
boolean	ManagedCursorImpl.isMessageDeleted(Position position)
void	ManagedCursorImpl.markDelete(Position position)
void	ManagedCursorImpl.markDelete(Position position, Map<String,Long> properties)
ManagedCursor	ManagedLedgerImpl.newNonDurableCursor(Position startCursorPosition)
ManagedCursor	ManagedLedgerImpl.newNonDurableCursor(Position startPosition, String subscriptionName)
ManagedCursor	ManagedLedgerImpl.newNonDurableCursor(Position startCursorPosition, String cursorName, org.apache.pulsar.common.api.proto.CommandSubscribe.InitialPosition initialPosition, boolean isReadCompacted)
Position	ManagedLedgerImpl.offloadPrefix(Position pos)
void	ManagedLedgerImpl.onCursorReadPositionUpdated(ManagedCursorImpl cursor, Position newReadPosition)
ReadOnlyCursor	ManagedLedgerFactoryImpl.openReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config)
void	ManagedCursorImpl.resetCursor(Position newPos)
void	ManagedCursorImpl.seek(Position newReadPositionInt, boolean force)

类型变量类型为Position的org.apache.bookkeeper.mledger.impl中的方法参数

修饰符和类型	方法	说明
void	ManagedCursorImpl.asyncDelete(Iterable<Position> positions, AsyncCallbacks.DeleteCallback callback, Object ctx)
Set<? extends Position>	ManagedCursorImpl.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx)	Async replays given positions: a. before reading it filters out already-acked messages b. reads remaining entries async and gives it to given ReadEntriesCallback c. returns all already-acked messages which are not replayed so, those messages can be removed by caller(Dispatcher)'s replay-list and it won't try to replay it again
Set<? extends Position>	ManagedCursorImpl.asyncReplayEntries(Set<? extends Position> positions, AsyncCallbacks.ReadEntriesCallback callback, Object ctx, boolean sortEntries)
void	ManagedCursorImpl.delete(Iterable<Position> positions)
List<Entry>	ManagedCursorImpl.replayEntries(Set<? extends Position> positions)