当使用Akka与Jackson进行对象序列化/反序列化时,遇到一个问题,即Jackson无法反序列化非Akka特定的“普通类”。为了避免这个问题,Akka文档提供了一个解决方法,即使用自定义序列化器和反序列化器来处理这些“普通类”。
以下是一个使用自定义序列化器和反序列化器的示例代码,以处理一个普通的Java类:
import akka.actor.ActorRef;
import akka.serialization.Serialization;
import akka.serialization.SerializationExtension;
import akka.serialization.Serializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.module.akka.serialization.JavaAkkaModule;
import java.io.IOException;
public class JacksonSerializerExample {
public static void main(String args[]) throws IOException {
// Create an instance of ObjectMapper
ObjectMapper mapper = new ObjectMapper();
// Register the JavaAkkaModule that provides support for Akka-specific serialization
mapper.registerModule(new JavaAkkaModule());
// Get an instance of the SerializationExtension
Serialization serialization = SerializationExtension.get(system);
// Get a reference to the ActorSystem
ActorRef myActorRef = ...
// Serialize the ActorRef
byte[] bytes = serialization.serialize(myActorRef).get();
// Deserialize the ActorRef
Serializer serializer = serialization.findSerializerFor(bytes);
ActorRef deserializedActorRef = (ActorRef) serializer.fromBinary(bytes);
// Serialize a regular Java object
MyClass myObject = new MyClass();
bytes = mapper.writeValueAsBytes(myObject);
// Deserialize a regular Java object
MyClass deserializedObject = mapper.readValue(bytes, MyClass.class);
}
// A regular Java class
public static class MyClass {
// Fields and methods go here
}
}
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