85 lines
2.4 KiB
Java
85 lines
2.4 KiB
Java
/**
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* Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
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*/
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package akka.docs.serialization;
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import akka.japi.Option;
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import akka.serialization.JSerializer;
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import akka.serialization.Serialization;
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import akka.serialization.SerializationExtension;
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import akka.serialization.Serializer;
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import org.junit.Test;
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import static org.junit.Assert.*;
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//#imports
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import akka.serialization.*;
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import akka.actor.ActorSystem;
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import com.typesafe.config.*;
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//#imports
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public class SerializationDocTestBase {
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//#my-own-serializer
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public static class MyOwnSerializer extends JSerializer {
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// This is whether "fromBinary" requires a "clazz" or not
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@Override public boolean includeManifest() {
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return false;
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}
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// Pick a unique identifier for your Serializer,
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// you've got a couple of billions to choose from,
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// 0 - 16 is reserved by Akka itself
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@Override public int identifier() {
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return 1234567;
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}
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// "toBinary" serializes the given object to an Array of Bytes
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@Override public byte[] toBinary(Object obj) {
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// Put the code that serializes the object here
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//#...
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return new byte[0];
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//#...
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}
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// "fromBinary" deserializes the given array,
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// using the type hint (if any, see "includeManifest" above)
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// into the optionally provided classLoader.
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@Override public Object fromBinary(byte[] bytes,
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Class clazz) {
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// Put your code that deserializes here
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//#...
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return null;
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//#...
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}
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}
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//#my-own-serializer
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@Test public void demonstrateTheProgrammaticAPI() {
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//#programmatic
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ActorSystem system = ActorSystem.create("example");
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// Get the Serialization Extension
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Serialization serialization = SerializationExtension.get(system);
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// Have something to serialize
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String original = "woohoo";
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// Find the Serializer for it
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Serializer serializer = serialization.findSerializerFor(original);
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// Turn it into bytes
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byte[] bytes = serializer.toBinary(original);
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// Turn it back into an object,
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// the nulls are for the class manifest and for the classloader
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String back = (String)serializer.fromBinary(bytes, Option.<Class<?>>none().asScala());
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// Voilá!
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assertEquals(original, back);
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//#programmatic
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system.shutdown();
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}
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}
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