本文整理了Java中org.springframework.data.querydsl.QSort类的一些代码示例，展示了QSort类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。QSort类的具体详情如下：
包路径：org.springframework.data.querydsl.QSort
类名称：QSort

QSort介绍

[英]Sort option for queries that wraps a Querydsl OrderSpecifier.
[中]用于包装Querydsl OrderSpecifier的查询的排序选项。

代码示例

代码示例来源：origin: spring-projects/spring-data-jpa

/**
 * Applies the given {@link OrderSpecifier}s to the given {@link JPQLQuery}. Potentially transforms the given
 * {@code OrderSpecifier}s to be able to injection potentially necessary left-joins.
 *
 * @param qsort must not be {@literal null}.
 * @param query must not be {@literal null}.
 */
private <T> JPQLQuery<T> addOrderByFrom(QSort qsort, JPQLQuery<T> query) {
  List<OrderSpecifier<?>> orderSpecifiers = qsort.getOrderSpecifiers();
  return query.orderBy(orderSpecifiers.toArray(new OrderSpecifier[0]));
}

代码示例来源：origin: spring-projects/spring-data-jpa

/**
 * Executes the given {@link JPQLQuery} after applying the given {@link OrderSpecifier}s.
 *
 * @param query must not be {@literal null}.
 * @param orders must not be {@literal null}.
 * @return
 */
private List<T> executeSorted(JPQLQuery<T> query, OrderSpecifier<?>... orders) {
  return executeSorted(query, new QSort(orders));
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Returns a new {@link QSort} consisting of the {@link OrderSpecifier}s of the current {@code QSort} combined with
 * the ones from the given {@code QSort}.
 *
 * @param sort can be {@literal null}.
 * @return
 */
public QSort and(QSort sort) {
  return sort == null ? this : and(sort.getOrderSpecifiers());
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Creates a new {@link QPageRequest}. Pages are zero indexed, thus providing 0 for {@code page} will return the first
 * page.
 *
 * @param page
 * @param size
 */
public QPageRequest(int page, int size) {
  this(page, size, QSort.unsorted());
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Creates a new {@link QSort} instance with the given {@link OrderSpecifier}s.
 *
 * @param orderSpecifiers must not be {@literal null}.
 */
@SuppressWarnings("deprecation")
public QSort(List<OrderSpecifier<?>> orderSpecifiers) {
  super(toOrders(orderSpecifiers));
  this.orderSpecifiers = orderSpecifiers;
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Returns a new {@link QSort} consisting of the {@link OrderSpecifier}s of the current {@link QSort} combined with
 * the given ones.
 *
 * @param orderSpecifiers must not be {@literal null} or empty.
 * @return
 */
public QSort and(OrderSpecifier<?>... orderSpecifiers) {
  Assert.notEmpty(orderSpecifiers, "OrderSpecifiers must not be null or empty!");
  return and(Arrays.asList(orderSpecifiers));
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Converts the given {@link OrderSpecifier} into an {@link Order}.
 *
 * @param orderSpecifier must not be {@literal null}.
 * @return
 */
private static Order toOrder(OrderSpecifier<?> orderSpecifier) {
  Assert.notNull(orderSpecifier, "Order specifier must not be null!");
  Expression<?> target = orderSpecifier.getTarget();
  Object targetElement = target instanceof Path ? preparePropertyPath((Path<?>) target) : target;
  Assert.notNull(targetElement, "Target element must not be null!");
  return Order.by(targetElement.toString()).with(orderSpecifier.isAscending() ? Direction.ASC : Direction.DESC);
}

代码示例来源：origin: spring-projects/spring-data-mongodb

/**
 * Converts the given {@link Sort} to {@link OrderSpecifier}.
 *
 * @param sort
 * @return
 */
protected List<OrderSpecifier<?>> toOrderSpecifiers(Sort sort) {
  if (sort instanceof QSort) {
    return ((QSort) sort).getOrderSpecifiers();
  }
  return sort.stream().map(this::toOrder).collect(Collectors.toList());
}

代码示例来源：origin: spring-projects/spring-data-jpa

/**
 * Executes the given {@link JPQLQuery} after applying the given {@link OrderSpecifier}s.
 *
 * @param query must not be {@literal null}.
 * @param orders must not be {@literal null}.
 * @return
 */
private List<T> executeSorted(JPQLQuery<T> query, OrderSpecifier<?>... orders) {
  return executeSorted(query, new QSort(orders));
}

代码示例来源：origin: org.springframework.data/spring-data-mongodb

/**
 * Applies the given {@link Sort} to the given {@link SpringDataMongodbQuery}.
 *
 * @param query
 * @param sort
 * @return
 */
private SpringDataMongodbQuery<T> applySorting(SpringDataMongodbQuery<T> query, Sort sort) {
  // TODO: find better solution than instanceof check
  if (sort instanceof QSort) {
    List<OrderSpecifier<?>> orderSpecifiers = ((QSort) sort).getOrderSpecifiers();
    query.orderBy(orderSpecifiers.toArray(new OrderSpecifier<?>[orderSpecifiers.size()]));
    return query;
  }
  sort.stream().map(this::toOrder).forEach(query::orderBy);
  return query;
}

代码示例来源：origin: apache/servicemix-bundles

public static QSort by(OrderSpecifier<?>... orderSpecifiers) {
  return new QSort(orderSpecifiers);
}

代码示例来源：origin: org.springframework.data/spring-data-jpa

/**
 * Applies the given {@link OrderSpecifier}s to the given {@link JPQLQuery}. Potentially transforms the given
 * {@code OrderSpecifier}s to be able to injection potentially necessary left-joins.
 *
 * @param qsort must not be {@literal null}.
 * @param query must not be {@literal null}.
 */
private <T> JPQLQuery<T> addOrderByFrom(QSort qsort, JPQLQuery<T> query) {
  List<OrderSpecifier<?>> orderSpecifiers = qsort.getOrderSpecifiers();
  return query.orderBy(orderSpecifiers.toArray(new OrderSpecifier[0]));
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Creates a new {@link QPageRequest} with the given {@link OrderSpecifier}s applied.
 *
 * @param page
 * @param size
 * @param orderSpecifiers must not be {@literal null} or empty;
 */
public QPageRequest(int page, int size, OrderSpecifier<?>... orderSpecifiers) {
  this(page, size, new QSort(orderSpecifiers));
}

代码示例来源：origin: org.springframework.data/spring-data-keyvalue

/**
 * Transforms a plain {@link Order} into a QueryDsl specific {@link OrderSpecifier}.
 *
 * @param sort must not be {@literal null}.
 * @param builder must not be {@literal null}.
 * @return empty {@code OrderSpecifier<?>[]} when sort is {@literal null}.
 */
static OrderSpecifier<?>[] toOrderSpecifier(Sort sort, PathBuilder<?> builder) {
  Assert.notNull(sort, "Sort must not be null.");
  Assert.notNull(builder, "Builder must not be null.");
  List<OrderSpecifier<?>> specifiers = null;
  if (sort instanceof QSort) {
    specifiers = ((QSort) sort).getOrderSpecifiers();
  } else {
    specifiers = new ArrayList<>();
    for (Order order : sort) {
      specifiers.add(toOrderSpecifier(order, builder));
    }
  }
  return specifiers.toArray(new OrderSpecifier<?>[specifiers.size()]);
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Returns a new {@link QSort} consisting of the {@link OrderSpecifier}s of the current {@link QSort} combined with
 * the given ones.
 *
 * @param orderSpecifiers must not be {@literal null} or empty.
 * @return
 */
public QSort and(List<OrderSpecifier<?>> orderSpecifiers) {
  Assert.notEmpty(orderSpecifiers, "OrderSpecifiers must not be null or empty!");
  List<OrderSpecifier<?>> newOrderSpecifiers = new ArrayList<>(this.orderSpecifiers);
  newOrderSpecifiers.addAll(orderSpecifiers);
  return new QSort(newOrderSpecifiers);
}

代码示例来源：origin: spring-projects/spring-data-keyvalue

/**
 * Transforms a plain {@link Order} into a QueryDsl specific {@link OrderSpecifier}.
 *
 * @param sort must not be {@literal null}.
 * @param builder must not be {@literal null}.
 * @return empty {@code OrderSpecifier<?>[]} when sort is {@literal null}.
 */
static OrderSpecifier<?>[] toOrderSpecifier(Sort sort, PathBuilder<?> builder) {
  Assert.notNull(sort, "Sort must not be null.");
  Assert.notNull(builder, "Builder must not be null.");
  List<OrderSpecifier<?>> specifiers = null;
  if (sort instanceof QSort) {
    specifiers = ((QSort) sort).getOrderSpecifiers();
  } else {
    specifiers = new ArrayList<>();
    for (Order order : sort) {
      specifiers.add(toOrderSpecifier(order, builder));
    }
  }
  return specifiers.toArray(new OrderSpecifier<?>[specifiers.size()]);
}

代码示例来源：origin: org.springframework.data/spring-data-jpa

/**
 * Executes the given {@link JPQLQuery} after applying the given {@link OrderSpecifier}s.
 *
 * @param query must not be {@literal null}.
 * @param orders must not be {@literal null}.
 * @return
 */
private List<T> executeSorted(JPQLQuery<T> query, OrderSpecifier<?>... orders) {
  return executeSorted(query, new QSort(orders));
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Transforms a plain {@link Order} into a QueryDsl specific {@link OrderSpecifier}.
 *
 * @param sort must not be {@literal null}.
 * @param builder must not be {@literal null}.
 * @return empty {@code OrderSpecifier<?>[]} when sort is {@literal null}.
 */
static OrderSpecifier<?>[] toOrderSpecifier(Sort sort, PathBuilder<?> builder) {
  Assert.notNull(sort, "Sort must not be null.");
  Assert.notNull(builder, "Builder must not be null.");
  List<OrderSpecifier<?>> specifiers = null;
  if (sort instanceof QSort) {
    specifiers = ((QSort) sort).getOrderSpecifiers();
  } else {
    specifiers = new ArrayList<>();
    for (Order order : sort) {
      specifiers.add(toOrderSpecifier(order, builder));
    }
  }
  return specifiers.toArray(new OrderSpecifier<?>[specifiers.size()]);
}

代码示例来源：origin: org.springframework.data/spring-data-jpa

/**
 * Executes the given {@link JPQLQuery} after applying the given {@link OrderSpecifier}s.
 *
 * @param query must not be {@literal null}.
 * @param orders must not be {@literal null}.
 * @return
 */
private List<T> executeSorted(JPQLQuery<T> query, OrderSpecifier<?>... orders) {
  return executeSorted(query, new QSort(orders));
}