Method deepCopy

JSAT/test/jsat/TestTools.java:55–80

Creates a deep copy of the given object via serialization. @param The class of the object @param orig the object to make a copy of @return a copy of the object via serialization

(O orig)

     * @return a copy of the object via serialization
     */
    public static <O extends Object> O deepCopy(O orig)
    {
        Object obj = null;
        try
        {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream out = new ObjectOutputStream(bos);
            out.writeObject(orig);
            out.flush();
            out.close();
            
            ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
            obj = in.readObject();
        }
        catch (IOException e)
        {
            e.printStackTrace();
            throw new RuntimeException("Object couldn't be copied", e);
        }
        catch (ClassNotFoundException e)
        {
            e.printStackTrace();
            throw new RuntimeException("Object couldn't be copied", e);
        }
        return (O) obj;
    }

    /**
     * Evaluates a given clustering by assuming that the true cluster label is in the first categorical feature. Checks to make sure that each cluster is pure in the label