org.apache.flink.formats.avro

Class AvroRowSerializationSchema

java.lang.Object

org.apache.flink.formats.avro.AvroRowSerializationSchema

All Implemented Interfaces:

Serializable, SerializationSchema<Row>

public class AvroRowSerializationSchema
extends Object
implements SerializationSchema<Row>

Serialization schema that serializes Row into Avro bytes.

Serializes objects that are represented in (nested) Flink rows. It support types that are compatible with Flink's Table & SQL API.

Note: Changes in this class need to be kept in sync with the corresponding runtime class AvroRowDeserializationSchema and schema converter AvroSchemaConverter.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.api.common.serialization.SerializationSchema

SerializationSchema.InitializationContext

Constructor Summary

Constructors

Constructor and Description
AvroRowSerializationSchema(Class<? extends org.apache.avro.specific.SpecificRecord> recordClazz) Creates an Avro serialization schema for the given specific record class.
AvroRowSerializationSchema(String avroSchemaString) Creates an Avro serialization schema for the given Avro schema string.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
byte[]	serialize(Row row) Serializes the incoming element to a specified type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.serialization.SerializationSchema

open

Constructor Detail

AvroRowSerializationSchema

public AvroRowSerializationSchema(Class<? extends org.apache.avro.specific.SpecificRecord> recordClazz)

Creates an Avro serialization schema for the given specific record class.

Parameters:

recordClazz - Avro record class used to serialize Flink's row to Avro's record

AvroRowSerializationSchema

public AvroRowSerializationSchema(String avroSchemaString)

Creates an Avro serialization schema for the given Avro schema string.

Parameters:

avroSchemaString - Avro schema string used to serialize Flink's row to Avro's record

Method Detail

serialize

public byte[] serialize(Row row)

Description copied from interface: SerializationSchema

Serializes the incoming element to a specified type.

Specified by:

serialize in interface SerializationSchema<Row>

Parameters:

row - The incoming element to be serialized

Returns:

The serialized element.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object