Extract the object this key points to.

        Objects are not read or decompressed until this function is explicitly called.

def get(self, dismiss=True):
        """Extract the object this key points to.

        Objects are not read or decompressed until this function is explicitly called.
        """

        try:
            return _classof(self._context, self._fClassName).read(self._source, self._cursor.copied(), self._context, self)
        finally:
            if dismiss:
                self._source.dismiss()