at.rocklogic.kafka.deserializer

Class ObjectDeserializer<T>

java.lang.Object

at.rocklogic.kafka.deserializer.ObjectDeserializer<T>

Type Parameters:

T - The class, the json String has to be deserialized

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.kafka.common.serialization.Deserializer<T>

public class ObjectDeserializer<T>
extends Object
implements org.apache.kafka.common.serialization.Deserializer<T>

Generic ObjectDeserializer, deserializes Objects of class T from a json String. Used like any other Deserializer

Constructor Summary

Constructors

Constructor and Description
ObjectDeserializer() initializes the Deserializer, therefore all occurences of @ToppicMapping annotated classes are taken.

Method Summary

Modifier and Type	Method and Description
void	close() does nothing in this case
void	configure(Map<String,?> map, boolean b) does nothing in this case
T	deserialize(String topic, byte[] bytes) Deserializes the incoming message of a topic, by using the topic-object Mapping provided in the Configuration

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectDeserializer

public ObjectDeserializer()

initializes the Deserializer, therefore all occurences of @ToppicMapping annotated classes are taken.

Method Detail

configure

public void configure(Map<String,?> map,
                      boolean b)

does nothing in this case

Specified by:

configure in interface org.apache.kafka.common.serialization.Deserializer<T>

Parameters:

map - map for configuration

b - boolean

deserialize

public T deserialize(String topic,
                     byte[] bytes)

Deserializes the incoming message of a topic, by using the topic-object Mapping provided in the Configuration

Specified by:

deserialize in interface org.apache.kafka.common.serialization.Deserializer<T>

Parameters:

topic - the topic in which the bytes have been sent

bytes - payload of the Message

Returns:

deserialized Object T

close

public void close()

does nothing in this case

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.kafka.common.serialization.Deserializer<T>