/**
* @return the chronologically (based on result date) last result
* @should get the most recent result given multiple results
* @should get the result given a single result
* @should get an empty result given an empty result
* @should get the result with null result date
*/
public Result latest() {
if (isSingleResult()) {
return this;
}
Result last = emptyResult();
// default the returned result to the first item
// in case all resultDates are null
if (size() > 0) {
last = get(0);
}
for (Result r : this) {
if ((last.getResultDate() == null
|| (r.getResultDate() != null && r.getResultDate().after(last.getResultDate())))) {
last = r;
}
}
return last;
}
/**
* @return the chronologically (based on result date) first result
* @should get the first result given multiple results
* @should get the result given a single result
* @should get an empty result given an empty result
* @should not get the result with null result date given other results
* @should get one result with null result dates for all results
*/
public Result earliest() {
if (isSingleResult()) {
return this;
}
Result first = emptyResult();
// default the returned result to the first item
// in case all resultDates are null
if (size() > 0) {
first = get(0);
}
for (Result r : this) {
if (r != null
&& r.getResultDate() != null
&& (first.getResultDate() == null || r.getResultDate().before(first.getResultDate()))) {
first = r;
}
}
return first;
}