Package org.apache.pulsar.reactive.client.api

Class StartAtSpec

java.lang.Object

org.apache.pulsar.reactive.client.api.StartAtSpec

Direct Known Subclasses:

InstantStartAtSpec, MessageIdStartAtSpec

public abstract class StartAtSpec
extends Object

Spec to specify to a ReactiveMessageReader from where to start reading.

See Also:

• ReaderBuilder.startMessageId(MessageId)
• ReaderBuilder.startMessageFromRollbackDuration(long, TimeUnit)

Method Summary

Modifier and Type	Method	Description
static MessageIdStartAtSpec	ofEarliest()	Gets a spec to start from the oldest message available in the topic.
static InstantStartAtSpec	ofInstant(Instant instant)	Gets a spec to start from an instant in time.
static MessageIdStartAtSpec	ofLatest()	Gets a spec to start from the next message that will be available in the topic.
static MessageIdStartAtSpec	ofLatestInclusive()	Gets a spec to start from the most recently published message in the topic, including that message.
static MessageIdStartAtSpec	ofMessageId(org.apache.pulsar.client.api.MessageId messageId)	Gets a spec to start from a message id, not including that message.
static MessageIdStartAtSpec	ofMessageId(org.apache.pulsar.client.api.MessageId messageId, boolean inclusive)	Gets a spec to start from a message id.

Methods inherited from class java.lang.Object

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

Method Details

ofEarliest

public static MessageIdStartAtSpec ofEarliest()

Gets a spec to start from the oldest message available in the topic.

Returns:

the start spec

See Also:

• MessageId.earliest

ofLatest

public static MessageIdStartAtSpec ofLatest()

Gets a spec to start from the next message that will be available in the topic.

Returns:

the start spec

See Also:

• MessageId.latest

ofLatestInclusive

public static MessageIdStartAtSpec ofLatestInclusive()

Gets a spec to start from the most recently published message in the topic, including that message.

Returns:

the start spec

See Also:

• MessageId.latest
• ReaderBuilder.startMessageIdInclusive()

ofMessageId

public static MessageIdStartAtSpec ofMessageId(org.apache.pulsar.client.api.MessageId messageId,
 boolean inclusive)

Gets a spec to start from a message id.

Parameters:

messageId - the message id to start from

inclusive - whether the message with the message id should be included

Returns:

the start spec

See Also:

• ReaderBuilder.startMessageId(MessageId)
• ReaderBuilder.startMessageIdInclusive()

ofMessageId

public static MessageIdStartAtSpec ofMessageId(org.apache.pulsar.client.api.MessageId messageId)

Gets a spec to start from a message id, not including that message.

Parameters:

messageId - the message id to start from

Returns:

the start spec

See Also:

• ReaderBuilder.startMessageId(MessageId)

ofInstant

public static InstantStartAtSpec ofInstant(Instant instant)

Gets a spec to start from an instant in time.

Parameters:

instant - the instant to start from

Returns:

the start spec

See Also:

• ReaderBuilder.startMessageFromRollbackDuration(long, TimeUnit)