public InputStream allocateStream(String key){
  RawByteAllocator alloc=findRawByteAllocator(key);
  InputStream input=new RawByteInputStream(alloc);
  return input;
}

public InputStream allocateStream ( String key ) { RawByteAllocator alloc = findRawByteAllocator ( key ) ; InputStream input = new RawByteInputStream ( alloc ) ; return input ; }
returns an input stream to read the vector starting from the first byte .
