import junit.framework.TestCase;
import com.thoughtworks.xstream.XStream;

import java.util.*;

public class TransientIdFieldTest extends TestCase {

    public static class TransientIdField {
        private transient String id;
        private String name;

        public TransientIdField(String id, String name) {
            this.id = id;
            this.name = name;
        }

        public String getName(){
            return name;
        }

        public String getId() {
            if(id==null)
                id="";
            return id;
        }

        public void setId(String id) {
            this.id = id;
        }
    }

    public static class Holder {
        private String name;
        private Map<String, TransientIdFieldTest.TransientIdField> map;

        public Holder(String name) {
            this.name = name;
            map = new HashMap<String, TransientIdFieldTest.TransientIdField>();
        }

        public String getName() {
            return name;
        }

        public Map<String, TransientIdFieldTest.TransientIdField> getMap() {
            return map;
        }

    }

    public void test1() throws Exception{
        TransientIdFieldTest.TransientIdField transientIdField = new TransientIdFieldTest.TransientIdField("1","name");
        TransientIdFieldTest.Holder holder = new TransientIdFieldTest.Holder("holder");
        holder.getMap().put("1",transientIdField);
        XStream xStream = new XStream();
        xStream.setMode(XStream.ID_REFERENCES);
        String xml = xStream.toXML(holder);
        try {
            TransientIdFieldTest.Holder deserializedHolder = (TransientIdFieldTest.Holder) xStream.fromXML(xml);
            TransientIdFieldTest.TransientIdField test = deserializedHolder.getMap().entrySet().iterator().next().getValue();
            System.out.println(test.getName()); // prints null
        } catch (Throwable e) {
            e.printStackTrace();
        }

    }

}