org.apache.flink.formats.avro

Class RegistryAvroDeserializationSchema<T>

java.lang.Object

org.apache.flink.formats.avro.AvroDeserializationSchema<T>

org.apache.flink.formats.avro.RegistryAvroDeserializationSchema<T>

Type Parameters:

T - type of record it produces

All Implemented Interfaces:

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

public class RegistryAvroDeserializationSchema<T>
extends AvroDeserializationSchema<T>

Deserialization schema that deserializes from Avro binary format using SchemaCoder.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RegistryAvroDeserializationSchema(Class<T> recordClazz, org.apache.avro.Schema reader, SchemaCoder.SchemaCoderProvider schemaCoderProvider) Creates Avro deserialization schema that reads schema from input stream using provided SchemaCoder.

Method Summary

Modifier and Type	Method and Description
T	deserialize(byte[] message)

Methods inherited from class org.apache.flink.formats.avro.AvroDeserializationSchema

forGeneric, forSpecific, getProducedType, isEndOfStream

Methods inherited from class java.lang.Object

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

Constructor Detail

RegistryAvroDeserializationSchema

protected RegistryAvroDeserializationSchema(Class<T> recordClazz,
                                            @Nullable
                                            org.apache.avro.Schema reader,
                                            SchemaCoder.SchemaCoderProvider schemaCoderProvider)

Creates Avro deserialization schema that reads schema from input stream using provided SchemaCoder.

Parameters:

recordClazz - class to which deserialize. Should be either SpecificRecord or GenericRecord.

reader - reader's Avro schema. Should be provided if recordClazz is GenericRecord

schemaCoderProvider - schema provider that allows instantiation of SchemaCoder that will be used for schema reading

Method Detail

deserialize

public T deserialize(byte[] message)
              throws IOException

Specified by:

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

Overrides:

deserialize in class AvroDeserializationSchema<T>

Throws:

IOException