public Object clone() {
try {
final ItemMinFunction function = (ItemMinFunction) super.clone();
function.min = min.clone();
return function;
} catch (CloneNotSupportedException e) {
throw new IllegalStateException();
}
}
/**
* Return a completly separated copy of this function. The copy does no longer share any
* changeable objects with the original function.
*
* @return a copy of this function.
*/
public Expression getInstance() {
final ItemMinFunction function = (ItemMinFunction) super.getInstance();
function.min = min.clone();
function.lastGroupSequenceNumber = 0;
return function;
}