org.apache.paimon.flink.kafka

Class KafkaLogDeserializationSchema

java.lang.Object

org.apache.paimon.flink.kafka.KafkaLogDeserializationSchema

All Implemented Interfaces:

Serializable, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

public class KafkaLogDeserializationSchema
extends Object
implements org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

A KafkaDeserializationSchema for the table with primary key in log store.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KafkaLogDeserializationSchema(org.apache.flink.table.types.DataType physicalType, int[] primaryKey, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> primaryKeyDeserializer, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> valueDeserializer, int[][] projectFields)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.data.RowData	deserialize(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record)
void	deserialize(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record, org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> underCollector)
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData>	getProducedType()
boolean	isEndOfStream(org.apache.flink.table.data.RowData nextElement)
void	open(org.apache.flink.api.common.serialization.DeserializationSchema.InitializationContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaLogDeserializationSchema

public KafkaLogDeserializationSchema(org.apache.flink.table.types.DataType physicalType,
                                     int[] primaryKey,
                                     @Nullable
                                     org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> primaryKeyDeserializer,
                                     org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> valueDeserializer,
                                     @Nullable
                                     int[][] projectFields)

Method Detail

open

public void open(org.apache.flink.api.common.serialization.DeserializationSchema.InitializationContext context)
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

Throws:

Exception

isEndOfStream

public boolean isEndOfStream(org.apache.flink.table.data.RowData nextElement)

Specified by:

isEndOfStream in interface org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

deserialize

public org.apache.flink.table.data.RowData deserialize(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record)

Specified by:

deserialize in interface org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

deserialize

public void deserialize(org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]> record,
                        org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> underCollector)
                 throws Exception

Specified by:

deserialize in interface org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema<org.apache.flink.table.data.RowData>

Throws:

Exception

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>