org.apache.calcite.adapter.kafka

类 KafkaRowConverterImpl

java.lang.Object

org.apache.calcite.adapter.kafka.KafkaRowConverterImpl

所有已实现的接口:

KafkaRowConverter<byte[],byte[]>

public class KafkaRowConverterImpl
extends Object
implements KafkaRowConverter<byte[],byte[]>

Default implementation of KafkaRowConverter, both key and value are byte[].

构造器概要

构造器

构造器和说明
KafkaRowConverterImpl()

方法概要

限定符和类型	方法和说明
org.apache.calcite.rel.type.RelDataType	rowDataType(String topicName) Generates the row schema for a given Kafka topic.
Object[]	toRow(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> message) Parses and reformats a Kafka message from the consumer, to align with the row schema defined as rowDataType(String).

从类继承的方法 java.lang.Object

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

构造器详细资料

KafkaRowConverterImpl

public KafkaRowConverterImpl()

方法详细资料

rowDataType

public org.apache.calcite.rel.type.RelDataType rowDataType(String topicName)

Generates the row schema for a given Kafka topic.

指定者:

rowDataType 在接口中 KafkaRowConverter<byte[],byte[]>

参数:

topicName - Kafka topic name

返回:

row type

toRow

public Object[] toRow(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> message)

Parses and reformats a Kafka message from the consumer, to align with the row schema defined as rowDataType(String).

指定者:

toRow 在接口中 KafkaRowConverter<byte[],byte[]>

参数:

message - Raw Kafka message record

返回:

fields in the row