程序包 org.apache.pulsar.functions.source

类 PushPulsarSource<T>

java.lang.Object

org.apache.pulsar.functions.source.PulsarSource<T>

org.apache.pulsar.functions.source.PushPulsarSource<T>

所有已实现的接口:

AutoCloseable, org.apache.pulsar.io.core.Source<T>

直接已知子类:

MultiConsumerPulsarSource

public abstract class PushPulsarSource<T>
extends PulsarSource<T>

字段概要

从类继承的字段 org.apache.pulsar.functions.source.PulsarSource

functionClassLoader, properties, pulsarClient, pulsarSourceConfig, topicSchema

构造器概要

构造器

构造器	说明
PushPulsarSource(org.apache.pulsar.client.api.PulsarClient pulsarClient, PulsarSourceConfig pulsarSourceConfig, Map<String,String> properties, ClassLoader functionClassLoader)

方法概要

修饰符和类型	方法	说明
void	consume(org.apache.pulsar.functions.api.Record<T> record)	Attach a consumer function to this Source.
int	getQueueLength()	Get length of the queue that records are push onto Users can override this method to customize the queue length
abstract void	open(Map<String,Object> config, org.apache.pulsar.io.core.SourceContext sourceContext)	Open connector with configuration.
org.apache.pulsar.functions.api.Record<T>	read()

从类继承的方法 org.apache.pulsar.functions.source.PulsarSource

buildPulsarSourceConsumerConfig, buildRecord, createConsumeBuilder, getInputConsumers

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.lang.AutoCloseable

close

构造器详细资料

PushPulsarSource

public PushPulsarSource(org.apache.pulsar.client.api.PulsarClient pulsarClient,
 PulsarSourceConfig pulsarSourceConfig,
 Map<String,String> properties,
 ClassLoader functionClassLoader)

方法详细资料

read

public org.apache.pulsar.functions.api.Record<T> read()
                                               throws Exception

抛出:

Exception

open

public abstract void open(Map<String,Object> config,
 org.apache.pulsar.io.core.SourceContext sourceContext)
                   throws Exception

Open connector with configuration.

参数:

config - initialization config

sourceContext - environment where the source connector is running

抛出:

Exception - IO type exceptions when opening a connector

consume

public void consume(org.apache.pulsar.functions.api.Record<T> record)

Attach a consumer function to this Source. This is invoked by the implementation to pass messages whenever there is data to be pushed to Pulsar.

参数:

record - next message from source which should be sent to a Pulsar topic

getQueueLength

public int getQueueLength()

Get length of the queue that records are push onto Users can override this method to customize the queue length

返回:

queue length