org.apache.pulsar.client.impl

Class RawReaderImpl

java.lang.Object

org.apache.pulsar.client.impl.RawReaderImpl

All Implemented Interfaces:

RawReader

public class RawReaderImpl
extends Object
implements RawReader

Constructor Summary

Constructors

Constructor and Description
RawReaderImpl(PulsarClientImpl client, String topic, String subscription, CompletableFuture<org.apache.pulsar.client.api.Consumer<byte[]>> consumerFuture)

Method Summary

Modifier and Type	Method and Description
CompletableFuture<Void>	acknowledgeCumulativeAsync(org.apache.pulsar.client.api.MessageId messageId, Map<String,Long> properties) Acknowledge all messages as read up until messageId.
CompletableFuture<Void>	closeAsync() Close the raw reader.
CompletableFuture<org.apache.pulsar.client.api.MessageId>	getLastMessageIdAsync() Get the last message id available immediately available for reading.
String	getTopic() Get the topic for the reader.
CompletableFuture<Boolean>	hasMessageAvailableAsync() Check if there is any message available to read.
CompletableFuture<RawMessage>	readNextAsync() Read the next raw message for the topic.
CompletableFuture<Void>	seekAsync(org.apache.pulsar.client.api.MessageId messageId) Seek to a location in the topic.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.client.api.RawReader

create

Constructor Detail

RawReaderImpl

public RawReaderImpl(PulsarClientImpl client,
                     String topic,
                     String subscription,
                     CompletableFuture<org.apache.pulsar.client.api.Consumer<byte[]>> consumerFuture)

Method Detail

getTopic

public String getTopic()

Description copied from interface: RawReader

Get the topic for the reader.

Specified by:

getTopic in interface RawReader

Returns:

topic for the reader

hasMessageAvailableAsync

public CompletableFuture<Boolean> hasMessageAvailableAsync()

Description copied from interface: RawReader

Check if there is any message available to read.

Specified by:

hasMessageAvailableAsync in interface RawReader

Returns:

a completable future which will return whether there is any message available to read.

seekAsync

public CompletableFuture<Void> seekAsync(org.apache.pulsar.client.api.MessageId messageId)

Description copied from interface: RawReader

Seek to a location in the topic. After the seek, the first message read will be the one with with the specified message ID.

Specified by:

seekAsync in interface RawReader

Parameters:

messageId - the message ID to seek to

readNextAsync

public CompletableFuture<RawMessage> readNextAsync()

Description copied from interface: RawReader

Read the next raw message for the topic.

Specified by:

readNextAsync in interface RawReader

Returns:

a completable future which will return the next RawMessage in the topic.

acknowledgeCumulativeAsync

public CompletableFuture<Void> acknowledgeCumulativeAsync(org.apache.pulsar.client.api.MessageId messageId,
                                                          Map<String,Long> properties)

Description copied from interface: RawReader

Acknowledge all messages as read up until messageId. The properties are stored with the individual acknowledgement, so later acknowledgements will overwrite all properties from previous acknowledgements.

Specified by:

acknowledgeCumulativeAsync in interface RawReader

Parameters:

messageId - to cumulatively acknowledge to

properties - a map of properties which will be stored with the acknowledgement

closeAsync

public CompletableFuture<Void> closeAsync()

Description copied from interface: RawReader

Close the raw reader.

Specified by:

closeAsync in interface RawReader

getLastMessageIdAsync

public CompletableFuture<org.apache.pulsar.client.api.MessageId> getLastMessageIdAsync()

Description copied from interface: RawReader

Get the last message id available immediately available for reading.

Specified by:

getLastMessageIdAsync in interface RawReader

toString

public String toString()

Overrides:

toString in class Object