org.apache.pulsar.client.impl

Class MessageParser

java.lang.Object

org.apache.pulsar.client.impl.MessageParser

public class MessageParser
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MessageParser.MessageProcessor

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) Parse a raw Pulsar entry payload and extract all the individual message that may be included in the batch.
static void	receiveIndividualMessagesFromBatch(String topic, PulsarApi.MessageMetadata msgMetadata, io.netty.buffer.ByteBuf uncompressedPayload, PulsarApi.MessageIdData messageId, ClientCnx cnx, int partitionIndex, MessageParser.MessageProcessor processor)
static io.netty.buffer.ByteBuf	uncompressPayloadIfNeeded(PulsarApi.MessageIdData messageId, PulsarApi.MessageMetadata msgMetadata, io.netty.buffer.ByteBuf payload, String topic, String subscription)
static boolean	verifyChecksum(io.netty.buffer.ByteBuf headersAndPayload, PulsarApi.MessageIdData messageId, String topic, String subscription)

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)
                         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(io.netty.buffer.ByteBuf headersAndPayload,
                                     PulsarApi.MessageIdData messageId,
                                     String topic,
                                     String subscription)

uncompressPayloadIfNeeded

public static io.netty.buffer.ByteBuf uncompressPayloadIfNeeded(PulsarApi.MessageIdData messageId,
                                                                PulsarApi.MessageMetadata msgMetadata,
                                                                io.netty.buffer.ByteBuf payload,
                                                                String topic,
                                                                String subscription)

receiveIndividualMessagesFromBatch

public static void receiveIndividualMessagesFromBatch(String topic,
                                                      PulsarApi.MessageMetadata msgMetadata,
                                                      io.netty.buffer.ByteBuf uncompressedPayload,
                                                      PulsarApi.MessageIdData messageId,
                                                      ClientCnx cnx,
                                                      int partitionIndex,
                                                      MessageParser.MessageProcessor processor)