org.apache.calcite.adapter.kafka

类 KafkaMessageEnumerator<K,V>

java.lang.Object

org.apache.calcite.adapter.kafka.KafkaMessageEnumerator<K,V>

类型参数:

K - Type for Kafka message key, refer to ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG;

V - Type for Kafka message value, refer to ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG;

所有已实现的接口:

AutoCloseable, org.apache.calcite.linq4j.Enumerator<Object[]>

public class KafkaMessageEnumerator<K,V>
extends Object
implements org.apache.calcite.linq4j.Enumerator<Object[]>

Enumerator to read data from Consumer, and converted into SQL rows with KafkaRowConverter.

方法概要

限定符和类型	方法和说明
void	close()
Object[]	current() It returns an Array of Object, with each element represents a field of row.
boolean	moveNext()
void	reset()

从类继承的方法 java.lang.Object

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

方法详细资料

current

public Object[] current()

It returns an Array of Object, with each element represents a field of row.

指定者:

current 在接口中 org.apache.calcite.linq4j.Enumerator<Object[]>

moveNext

public boolean moveNext()

指定者:

moveNext 在接口中 org.apache.calcite.linq4j.Enumerator<Object[]>

reset

public void reset()

指定者:

reset 在接口中 org.apache.calcite.linq4j.Enumerator<Object[]>

close

public void close()

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 org.apache.calcite.linq4j.Enumerator<Object[]>