org.apache.pulsar.common.api.raw

Class MessageParser

java.lang.Object

org.apache.pulsar.common.api.raw.MessageParser

public class MessageParser
extends Object

Helper class to work with a raw Pulsar entry payload.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MessageParser.MessageProcessor Definition of an interface to process a raw Pulsar entry payload.

Constructor Summary

Constructors

Constructor and Description
MessageParser()

Method Summary

Modifier and Type	Method and Description
static void	parseMessage(TopicName topicName, long ledgerId, long entryId, io.netty.buffer.ByteBuf headersAndPayload, MessageParser.MessageProcessor processor, int maxMessageSize) Parse a raw Pulsar entry payload and extract all the individual message that may be included in the batch.
static io.netty.buffer.ByteBuf	uncompressPayloadIfNeeded(TopicName topic, PulsarApi.MessageMetadata msgMetadata, io.netty.buffer.ByteBuf payload, long ledgerId, long entryId, int maxMessageSize)
static boolean	verifyChecksum(TopicName topic, io.netty.buffer.ByteBuf headersAndPayload, long ledgerId, long entryId)

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageParser

public MessageParser()

Method Detail

parseMessage

public static void parseMessage(TopicName topicName,
                                long ledgerId,
                                long entryId,
                                io.netty.buffer.ByteBuf headersAndPayload,
                                MessageParser.MessageProcessor processor,
                                int maxMessageSize)
                         throws IOException

Parse a raw Pulsar entry payload and extract all the individual message that may be included in the batch. The provided MessageParser.MessageProcessor will be invoked for each individual message.

Throws:

IOException

verifyChecksum

public static boolean verifyChecksum(TopicName topic,
                                     io.netty.buffer.ByteBuf headersAndPayload,
                                     long ledgerId,
                                     long entryId)

uncompressPayloadIfNeeded

public static io.netty.buffer.ByteBuf uncompressPayloadIfNeeded(TopicName topic,
                                                                PulsarApi.MessageMetadata msgMetadata,
                                                                io.netty.buffer.ByteBuf payload,
                                                                long ledgerId,
                                                                long entryId,
                                                                int maxMessageSize)