Package org.springframework.data.repository.query

Interface FluentQuery.FetchableFluentQuery<T>

All Superinterfaces:
FluentQuery<T>
Enclosing interface:
FluentQuery<T>
public static interface FluentQuery.FetchableFluentQuery<T> extends FluentQuery<T>
Fetchable extension FluentQuery allowing to materialize results from the underlying query.
Since:
2.6
Author:
Mark Paluch

  • Method Details

    • sortBy

      FluentQuery.FetchableFluentQuery<T> sortBy(Sort sort)
      Description copied from interface: FluentQuery
      Define the sort order.
      Specified by:
      sortBy in interface FluentQuery<T>
      Parameters:
      sort - the Sort specification to sort the results by, may be Sort.unsorted(), must not be null.
      Returns:
      a new instance of FluentQuery.

    • as

      <R> FluentQuery.FetchableFluentQuery<R> as(Class<R> resultType)
      Description copied from interface: FluentQuery
      Define the target type the result should be mapped to. Skip this step if you are only interested in the original domain type.
      Specified by:
      as in interface FluentQuery<T>
      Type Parameters:
      R - result type.
      Parameters:
      resultType - must not be null.
      Returns:
      a new instance of FluentQuery.

    • project

      default FluentQuery.FetchableFluentQuery<T> project(String... properties)
      Description copied from interface: FluentQuery
      Define which properties or property paths to include in the query.
      Specified by:
      project in interface FluentQuery<T>
      Parameters:
      properties - must not be null.
      Returns:
      a new instance of FluentQuery.

    • project

      FluentQuery.FetchableFluentQuery<T> project(Collection<String> properties)
      Description copied from interface: FluentQuery
      Define which properties or property paths to include in the query.
      Specified by:
      project in interface FluentQuery<T>
      Parameters:
      properties - must not be null.
      Returns:
      a new instance of FluentQuery.

    • one

      default Optional<T> one()
      Get exactly zero or one result.
      Returns:
      Optional.empty() if no match found.
      Throws:
      org.springframework.dao.IncorrectResultSizeDataAccessException - if more than one match found.

    • oneValue

      @Nullable T oneValue()
      Get exactly zero or one result.
      Returns:
      null if no match found.
      Throws:
      org.springframework.dao.IncorrectResultSizeDataAccessException - if more than one match found.

    • first

      default Optional<T> first()
      Get the first or no result.
      Returns:
      Optional.empty() if no match found.

    • firstValue

      @Nullable T firstValue()
      Get the first or no result.
      Returns:
      null if no match found.

    • all

      List<T> all()
      Get all matching elements.
      Returns:

    • page

      Page<T> page(Pageable pageable)
      Get a page of matching elements for Pageable.
      Parameters:
      pageable - the pageable to request a paged result, can be Pageable.unpaged(), must not be null. The given Pageable will override any previously specified sort if the Sort object is not Sort.isUnsorted().
      Returns:

    • stream

      Stream<T> stream()
      Stream all matching elements.
      Returns:
      a Stream wrapping cursors that need to be closed.

    • count

      long count()
      Get the number of matching elements.
      Returns:
      total number of matching elements.

    • exists

      boolean exists()
      Check for the presence of matching elements.
      Returns:
      true if at least one matching element exists.