org.apache.pulsar.broker.service

Class AbstractBaseDispatcher

java.lang.Object

org.apache.pulsar.broker.service.AbstractBaseDispatcher

All Implemented Interfaces:

Dispatcher

Direct Known Subclasses:

AbstractDispatcherMultipleConsumers, AbstractDispatcherSingleActiveConsumer

public abstract class AbstractBaseDispatcher
extends Object
implements Dispatcher

Field Summary

Fields

Modifier and Type	Field and Description
static String	NONE_KEY
protected ServiceConfiguration	serviceConfig
protected Subscription	subscription

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBaseDispatcher(Subscription subscription, ServiceConfiguration serviceConfig)

Method Summary

Modifier and Type	Method and Description
protected boolean	addMessageToReplay(long ledgerId, long entryId)
protected static org.apache.commons.lang3.tuple.Pair<Integer,Long>	computeReadLimits(int messagesToRead, int availablePermitsOnMsg, long bytesToRead, long availablePermitsOnByte)
void	filterEntriesForConsumer(List<Entry> entries, EntryBatchSizes batchSizes, SendMessageInfo sendMessageInfo, EntryBatchIndexesAcks indexesAcks, ManagedCursor cursor, boolean isReplayRead) Filter messages that are being sent to a consumers.
protected byte[]	peekStickyKey(io.netty.buffer.ByteBuf metadataAndPayload)
void	resetCloseFuture()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.broker.service.Dispatcher

addConsumer, addUnAckedMessages, canUnsubscribe, clearDelayedMessages, close, consumerFlow, cursorIsReset, disconnectActiveConsumers, disconnectAllConsumers, disconnectAllConsumers, getConsumers, getNumberOfDelayedMessages, getRateLimiter, getRedeliveryTracker, getType, initializeDispatchRateLimiterIfNeeded, isClosed, isConsumerConnected, markDeletePositionMoveForward, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, removeConsumer, reset, trackDelayedDelivery, updateRateLimiter

Field Detail

subscription

protected final Subscription subscription

serviceConfig

protected final ServiceConfiguration serviceConfig

NONE_KEY

public static final String NONE_KEY

See Also:

Constant Field Values

Constructor Detail

AbstractBaseDispatcher

protected AbstractBaseDispatcher(Subscription subscription,
                                 ServiceConfiguration serviceConfig)

Method Detail

filterEntriesForConsumer

public void filterEntriesForConsumer(List<Entry> entries,
                                     EntryBatchSizes batchSizes,
                                     SendMessageInfo sendMessageInfo,
                                     EntryBatchIndexesAcks indexesAcks,
                                     ManagedCursor cursor,
                                     boolean isReplayRead)

Filter messages that are being sent to a consumers.

Messages can be filtered out for multiple reasons:

• Checksum or metadata corrupted
• Message is an internal marker
• Message is not meant to be delivered immediately

Parameters:

entries - a list of entries as read from storage

batchSizes - an array where the batch size for each entry (the number of messages within an entry) is stored. This array needs to be of at least the same size as the entries list

sendMessageInfo - an object where the total size in messages and bytes will be returned back to the caller

resetCloseFuture

public void resetCloseFuture()

Specified by:

resetCloseFuture in interface Dispatcher

peekStickyKey

protected byte[] peekStickyKey(io.netty.buffer.ByteBuf metadataAndPayload)

addMessageToReplay

protected boolean addMessageToReplay(long ledgerId,
                                     long entryId)

computeReadLimits

protected static org.apache.commons.lang3.tuple.Pair<Integer,Long> computeReadLimits(int messagesToRead,
                                                                                     int availablePermitsOnMsg,
                                                                                     long bytesToRead,
                                                                                     long availablePermitsOnByte)