/*

package err10j;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.ObjectOutputStream;

class Rollback {

public static void SerializeObjectGraph(FileOutputStream fs, Object rootObj)

{

// Save the current position of the file.

long beforeSerialization = fs.Position;

try {

FileOutputStream fileOut =

new FileOutputStream("../../employee.ser");

ObjectOutputStream out = new ObjectOutputStream(fileOut);

out.writeObject(OMaM);

out.close();

fileOut.close();

System.out.printf("Serialized data is saved in ../../employee.ser");

}

catch(IOException i) {

i.printStackTrace();

}

try

{

// Attempt to serialize the object graph to the file.

formatter.Serialize(fs, rootObj);

}

catch ()

{

// If ANYTHING goes wrong, reset the file back to a good state.

fs.Position = beforeSerialization;

// Truncate the file.

fs.SetLength(fs.Position);

// NOTE: The preceding code isn't in a finally block because

// the stream should be reset only when serialization fails.

// Let the caller(s) know what happened by

// rethrowing the SAME exception.

throw;

}

} // end public static void SerializeObjectGraph

static void Main() {

Book OMaM = new Book("Of Mice and Men");

using (FileInputStream fs = new FileInputStream(@"..\..\DataFile.dat", FileMode.Create))

{

SerializeObjectGraph(fs, new BinaryFormatter(), new Book("Of Mice and Men"));

}

// Keep the console window open in debug mode.

Console.WriteLine("Press any key to exit.");

Console.ReadKey();

}

}

*/