/**
* @param object
* @return
*/
public int compareTo(TableIndex other) {
if (isPrimaryKey() && !other.isPrimaryKey()) return -1;
if (!isPrimaryKey() && other.isPrimaryKey()) return 1;
Object thisId = getId();
Object otherId = other.getId();
if (thisId == null || otherId == null) return getName().compareToIgnoreCase(other.getName());
if (thisId instanceof Number)
return ((Number) thisId).intValue() - ((Number) otherId).intValue();
return thisId.toString().compareToIgnoreCase(otherId.toString());
}