package org.simantics.db.service;

public interface ByteReader {
    /*
     * Reads bytes from data source.
     * 
     * Assumes that enough bytes are available.
     * 
     * Uses and returns the supplied buffer.
     * 
     * Allocates a new buffer if null buffer is supplied.
     * 
     */
    byte[] readBytes(byte[] buffer, int amount);
}