/** * Expires a specific <tt>Content</tt> of this <tt>Conference</tt> (i.e. if the specified * <tt>content</tt> is not in the list of <tt>Content</tt>s of this <tt>Conference</tt>, does * nothing). * * @param content the <tt>Content</tt> to be expired by this <tt>Conference</tt> */ public void expireContent(Content content) { boolean expireContent; synchronized (contents) { if (contents.contains(content)) { contents.remove(content); expireContent = true; } else expireContent = false; } if (expireContent) content.expire(); }