Spark graphx moved to a new project due to a incompatibility of scala compiler

libraries-data/src/main/java/com/baeldung/kryo/PersonSerializer.java

@@ -0,0 +1,33 @@
+package com.baeldung.kryo;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+import java.util.Date;
+
+public class PersonSerializer extends Serializer<Person> {
+
+    @Override
+    public void write(Kryo kryo, Output output, Person object) {
+        output.writeString(object.getName());
+        output.writeLong(object.getBirthDate()
+            .getTime());
+    }
+
+    @Override
+    public Person read(Kryo kryo, Input input, Class<Person> type) {
+        Person person = new Person();
+        person.setName(input.readString());
+        long birthDate = input.readLong();
+        person.setBirthDate(new Date(birthDate));
+        person.setAge(calculateAge(birthDate));
+        return person;
+    }
+
+    private int calculateAge(long birthDate) {
+        // Some custom logic
+        return 18;
+    }
+
+}