Sending class with DataApi using DataMap

MyObject.java

import java.util.ArrayList;
import java.util.List;

import com.google.android.gms.wearable.DataMap;

public class MyObject {
    
    public final long itemId;
    public final long sortOrder;
    public final String priceString;
    
    public MyObject(long itemId, long sortOrder, String priceString) {
    	this.itemId = itemId;
    	this.sortOrder = sortOrder;
    	this.priceString = priceString;
    }
    
    public MyObject(DataMap map) {
    	this(
    	    map.getLong("itemId"),
    	    map.getLong("sortOrder"),
    	    map.getString("priceString")
    	);
    }
    
    public DataMap putToDataMap(DataMap map) {
    	map.putLong("itemId", itemId);
    	map.putLong("sortOrder", sortOrder);
    	map.putString("priceString", priceString);
    	return map;
    }
}