public boolean equals(Object o) {
if (o == null || !(o instanceof ClassTimeInfo)) return false;
ClassTimeInfo t = (ClassTimeInfo) o;
if (getStartSlot() != t.getStartSlot()) return false;
if (getLength() != t.getLength()) return false;
if (getDayCode() != t.getDayCode()) return false;
return ToolBox.equals(getTimePatternId(), t.getTimePatternId())
&& ToolBox.equals(getDatePatternId(), t.getDatePatternId());
}
