Created
December 21, 2017 01:16
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A Kafka Serde Java 8 Function
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import org.apache.kafka.common.serialization.Deserializer; | |
import org.apache.kafka.common.serialization.Serde; | |
import org.apache.kafka.common.serialization.Serializer; | |
import java.util.Map; | |
import java.util.function.Function; | |
public class SerdeFunction<T> implements Serde<T> { | |
private final Function<T, byte[]> serializer; | |
private final Function<byte[], T> deserializer; | |
public SerdeFunction(Function<T, byte[]> serializer, Function<byte[], T> deserializer) { | |
this.serializer = serializer; | |
this.deserializer = deserializer; | |
} | |
@Override | |
public void configure(Map<String, ?> map, boolean b) {} | |
@Override | |
public void close() {} | |
@Override | |
public Serializer<T> serializer() { | |
return new Serializer<T>() { | |
@Override | |
public void configure(Map<String, ?> map, boolean b) {} | |
@Override | |
public void close() {} | |
@Override | |
public byte[] serialize(String s, T t) { | |
return serializer.apply(t); | |
} | |
}; | |
} | |
@Override | |
public Deserializer<T> deserializer() { | |
return new Deserializer<T>() { | |
@Override | |
public void configure(Map<String, ?> map, boolean b) {} | |
@Override | |
public void close() {} | |
@Override | |
public T deserialize(String s, byte[] bytes) { | |
return deserializer.apply(bytes); | |
} | |
}; | |
} | |
} |
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