Package org.apache.pulsar.broker.transaction.buffer.impl

Class TableView<T>

java.lang.Object

org.apache.pulsar.broker.transaction.buffer.impl.TableView<T>

public class TableView<T>
extends Object

Compared with the more generic TableView, this table view - Provides just a single public method that reads the latest value synchronously. - Maintains multiple long-lived readers that will be expired after some time (1 minute by default).

Field Summary

Fields

Modifier and Type	Field	Description
protected final Function<org.apache.pulsar.common.naming.TopicName,CompletableFuture<SystemTopicClient.Reader<T>>>	readerCreator

Constructor Summary

Constructors

Constructor	Description
TableView(Function<org.apache.pulsar.common.naming.TopicName,CompletableFuture<SystemTopicClient.Reader<T>>> readerCreator, long clientOperationTimeoutMs, ScheduledExecutorService executor)

Method Summary

Modifier and Type	Method	Description
protected SystemTopicClient.Reader<T>	getReader(String topic)
T	readLatest(String topic)

Methods inherited from class java.lang.Object

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

Field Details

readerCreator

protected final Function<org.apache.pulsar.common.naming.TopicName,CompletableFuture<SystemTopicClient.Reader<T>>> readerCreator

Constructor Details

TableView

public TableView(Function<org.apache.pulsar.common.naming.TopicName,CompletableFuture<SystemTopicClient.Reader<T>>> readerCreator,
 long clientOperationTimeoutMs,
 ScheduledExecutorService executor)

Method Details

readLatest

public T readLatest(String topic)
             throws Exception

Throws:

Exception

getReader

protected SystemTopicClient.Reader<T> getReader(String topic)