Has no effect if the stream was already open for reading. If the stream
was already open for writing, it is flushed before being reopened for reading. Throws an
ObjectNotSavedException if this BigString object is
an attribute of an entity that has not yet been created in the database.
Syntax
public void openForRead()
Examples
– Opens the biography file for reading.
Author author = Author.findByPrimaryKey(authorID);
BigString text = author.getBiography();
text.openForRead();