org.planx.io
Interface SizeStreamer<E>

All Superinterfaces:

Streamer<E>

All Known Implementing Classes:

Locator.CompactStreamer

public interface SizeStreamer<E>
extends Streamer<E>

A Streamer that is also capable of informing, in advance, how many bytes will be written to a data source.

Author:

Thomas Ambus

Method Summary

long	size(E obj) Returns the number of bytes that this Streamer will write when the toStream method is invoked on the specified object.

Methods inherited from interface org.planx.io.Streamer

fromStream, toStream

Method Detail

size

long size(E obj)
          throws IOException

Returns the number of bytes that this Streamer will write when the toStream method is invoked on the specified object.

Throws:

IOException