73 lines
2.1 KiB
Java
73 lines
2.1 KiB
Java
package it.cavallium.dbengine.client;
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import it.cavallium.dbengine.client.query.current.data.NumericSort;
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import it.cavallium.dbengine.client.query.current.data.RandomSort;
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import it.cavallium.dbengine.client.query.current.data.ScoreSort;
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import it.cavallium.dbengine.client.query.current.data.Sort;
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import it.cavallium.dbengine.database.LLKeyScore;
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import java.util.Comparator;
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import java.util.function.Function;
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import java.util.function.ToIntFunction;
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import java.util.function.ToLongFunction;
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import org.jetbrains.annotations.NotNull;
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import reactor.core.publisher.Mono;
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public class MultiSort<T> {
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private final Sort querySort;
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public MultiSort(Sort querySort) {
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this.querySort = querySort;
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}
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/**
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* Sort a lucene field and the results by a numeric sort field and an int value
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* @param fieldName Lucene SortedNumericSortField field name
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* @param reverse descending sort
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* @param <T> result type
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* @return MultiSort object
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*/
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public static <T> MultiSort<T> sortedNumericInt(String fieldName, boolean reverse) {
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// Create lucene sort
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Sort querySort = NumericSort.of(fieldName, reverse);
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// Return the multi sort
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return new MultiSort<>(querySort);
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}
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/**
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* Sort a lucene field and the results by a numeric sort field and an long value
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* @param fieldName Lucene SortedNumericSortField field name
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* @param reverse descending sort
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* @param <T> result type
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* @return MultiSort object
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*/
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public static <T> MultiSort<T> sortedNumericLong(String fieldName, boolean reverse) {
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// Create lucene sort
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Sort querySort = NumericSort.of(fieldName, reverse);
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// Return the multi sort
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return new MultiSort<>(querySort);
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}
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public static <T> MultiSort<T> randomSortField() {
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return new MultiSort<>(RandomSort.of());
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}
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public static MultiSort<LLKeyScore> topScoreRaw() {
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return new MultiSort<>(ScoreSort.of());
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}
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public static <T> MultiSort<SearchResultKey<T>> topScore() {
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return new MultiSort<>(ScoreSort.of());
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}
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public static <T, U> MultiSort<SearchResultItem<T, U>> topScoreWithValues() {
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return new MultiSort<>(ScoreSort.of());
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}
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public Sort getQuerySort() {
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return querySort;
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}
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}
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