/**
* Terms counter.
*
* @param termSpec the term spec
* @return the counter
*/
default Counter<String> terms(@NonNull TermSpec termSpec) {
return termSpec
.getValueCalculator()
.adjust(
new HashMapCounter<>(
stream()
.flatMap(
doc ->
doc.get(termSpec.getAnnotationType())
.stream()
.filter(termSpec.getFilter())
.map(termSpec.getToStringFunction())
.collect(Collectors.toList()))
.countByValue()));
}
/**
* Terms counter.
*
* @return the counter
*/
default Counter<String> terms() {
return terms(TermSpec.create());
}