'Try to load the data from the store.'

def Initialize(self):

    super(AFF4MemoryStreamBase, self).Initialize()
    contents = ''
    if ('r' in self.mode):
        contents = self.Get(self.Schema.CONTENT)
        try:
            if (contents is not None):
                contents = zlib.decompress(utils.SmartStr(contents))
        except zlib.error:
            pass
    self.fd = StringIO.StringIO(contents)
    self.size = len(contents)
    self.offset = 0
