public void setGroup (final String group)
  {
    if (group != null && group.trim ().length () == 0)
      throw new IllegalArgumentException ("Group name cannot be an empty string.");

    if (group == null)
      m_sGroup = IScheduler.DEFAULT_GROUP;
    else
      m_sGroup = group;
    m_aKey = null;
  }
public void setGroup ( final String group ) { if ( group != null && group . trim ( ) . length ( ) == 0 ) throw new IllegalArgumentException ( "Group name cannot be an empty string." ) ; if ( group == null ) m_sGroup = IScheduler . DEFAULT_GROUP ; else m_sGroup = group ; m_aKey = null ; }
<p>
Set the name of this <code>Trigger</code>.
</p>

@param group
if <code>null</code>, Scheduler.DEFAULT_GROUP will be used.
@exception IllegalArgumentException
if group is an empty string.