/**
* 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();
}
