org.apache.flink.streaming.examples.kafka

Class KafkaEventSchema

java.lang.Object

org.apache.flink.streaming.examples.kafka.KafkaEventSchema

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.serialization.DeserializationSchema<KafkaEvent>, org.apache.flink.api.common.serialization.SerializationSchema<KafkaEvent>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<KafkaEvent>

public class KafkaEventSchema
extends Object
implements org.apache.flink.api.common.serialization.DeserializationSchema<KafkaEvent>, org.apache.flink.api.common.serialization.SerializationSchema<KafkaEvent>

The serialization schema for the KafkaEvent type. This class defines how to transform a Kafka record's bytes to a KafkaEvent, and vice-versa.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KafkaEventSchema()

Method Summary

Modifier and Type	Method and Description
KafkaEvent	deserialize(byte[] message)
org.apache.flink.api.common.typeinfo.TypeInformation<KafkaEvent>	getProducedType()
boolean	isEndOfStream(KafkaEvent nextElement)
byte[]	serialize(KafkaEvent event)

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaEventSchema

public KafkaEventSchema()

Method Detail

serialize

public byte[] serialize(KafkaEvent event)

Specified by:

serialize in interface org.apache.flink.api.common.serialization.SerializationSchema<KafkaEvent>

deserialize

public KafkaEvent deserialize(byte[] message)
                       throws IOException

Specified by:

deserialize in interface org.apache.flink.api.common.serialization.DeserializationSchema<KafkaEvent>

Throws:

IOException

isEndOfStream

public boolean isEndOfStream(KafkaEvent nextElement)

Specified by:

isEndOfStream in interface org.apache.flink.api.common.serialization.DeserializationSchema<KafkaEvent>

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<KafkaEvent> getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<KafkaEvent>