| package backtype.storm.serialization; |
| |
| import backtype.storm.utils.ListDelegate; |
| import com.esotericsoftware.kryo.ObjectBuffer; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class KryoValuesSerializer { |
| ObjectBuffer _kryo; |
| ListDelegate _delegate; |
| |
| public KryoValuesSerializer(Map conf) { |
| _kryo = SerializationFactory.getKryo(conf); |
| _delegate = new ListDelegate(); |
| } |
| |
| public void serializeInto(List<Object> values, OutputStream out) throws IOException { |
| // this ensures that list of values is always written the same way, regardless |
| // of whether it's a java collection or one of clojure's persistent collections |
| // (which have different serializers) |
| // Doing this lets us deserialize as ArrayList and avoid writing the class here |
| _delegate.setDelegate(values); |
| _kryo.writeObject(out, _delegate); |
| } |
| |
| public byte[] serialize(List<Object> values) throws IOException { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| serializeInto(values, out); |
| return out.toByteArray(); |
| } |
| |
| public byte[] serializeObject(Object obj) { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| _kryo.writeClassAndObject(out, obj); |
| return out.toByteArray(); |
| } |
| } |