本文整理匯總了Java中org.apache.lucene.search.SortField.getComparator方法的典型用法代碼示例。如果您正苦於以下問題：Java SortField.getComparator方法的具體用法？Java SortField.getComparator怎麽用？Java SortField.getComparator使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.lucene.search.SortField的用法示例。
在下文中一共展示了SortField.getComparator方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: comparatorFieldComparator
import org.apache.lucene.search.SortField; //導入方法依賴的package包/類
Comparator<ShardDoc> comparatorFieldComparator(SortField sortField) {
final FieldComparator fieldComparator;
try {
fieldComparator = sortField.getComparator(0, 0);
} catch (IOException e) {
throw new RuntimeException("Unable to get FieldComparator for sortField " + sortField);
}
return new ShardComparator(sortField) {
// Since the PriorityQueue keeps the biggest elements by default,
// we need to reverse the field compare ordering so that the
// smallest elements are kept instead of the largest... hence
// the negative sign.
@Override
public int compare(final ShardDoc o1, final ShardDoc o2) {
//noinspection unchecked
return -fieldComparator.compareValues(sortVal(o1), sortVal(o2));
}
};
}
示例2: GroupComparator
import org.apache.lucene.search.SortField; //導入方法依賴的package包/類
public GroupComparator(Sort groupSort) throws IOException {
final SortField[] sortFields = groupSort.getSort();
comparators = new FieldComparator<?>[sortFields.length];
reversed = new int[sortFields.length];
for (int compIDX = 0; compIDX < sortFields.length; compIDX++) {
final SortField sortField = sortFields[compIDX];
comparators[compIDX] = sortField.getComparator(1, compIDX);
reversed[compIDX] = sortField.getReverse() ? -1 : 1;
}
}