Package org.springframework.data.domain

Interface Slice<T>

All Superinterfaces:
Iterable<T>, Streamable<T>, Supplier<Stream<T>>
All Known Subinterfaces:
Page<T>
All Known Implementing Classes:
GeoPage, PageImpl, SliceImpl
public interface Slice<T> extends Streamable<T>
A slice of data that indicates whether there's a next or previous slice available. Allows to obtain a Pageable to request a previous or next Slice.
Since:
1.8
Author:
Oliver Gierke

  • Method Details

    • getNumber

      int getNumber()
      Returns the number of the current Slice. Is always non-negative.
      Returns:
      the number of the current Slice.

    • getSize

      int getSize()
      Returns the size of the Slice.
      Returns:
      the size of the Slice.

    • getNumberOfElements

      int getNumberOfElements()
      Returns the number of elements currently on this Slice.
      Returns:
      the number of elements currently on this Slice.

    • getContent

      List<T> getContent()
      Returns the page content as List.
      Returns:

    • hasContent

      boolean hasContent()
      Returns whether the Slice has content at all.
      Returns:

    • getSort

      Sort getSort()
      Returns the sorting parameters for the Slice.
      Returns:

    • isFirst

      boolean isFirst()
      Returns whether the current Slice is the first one.
      Returns:

    • isLast

      boolean isLast()
      Returns whether the current Slice is the last one.
      Returns:

    • hasNext

      boolean hasNext()
      Returns if there is a next Slice.
      Returns:
      if there is a next Slice.

    • hasPrevious

      boolean hasPrevious()
      Returns if there is a previous Slice.
      Returns:
      if there is a previous Slice.

    • getPageable

      default Pageable getPageable()
      Returns the Pageable that's been used to request the current Slice.
      Returns:
      Since:
      2.0

    • nextPageable

      Pageable nextPageable()
      Returns the Pageable to request the next Slice. Can be Pageable.unpaged() in case the current Slice is already the last one. Clients should check hasNext() before calling this method.
      Returns:
      See Also:

    • previousPageable

      Pageable previousPageable()
      Returns the Pageable to request the previous Slice. Can be Pageable.unpaged() in case the current Slice is already the first one. Clients should check hasPrevious() before calling this method.
      Returns:
      See Also:

    • map

      <U> Slice<U> map(Function<? super T,? extends U> converter)
      Returns a new Slice with the content of the current one mapped by the given Converter.
      Specified by:
      map in interface Streamable<T>
      Parameters:
      converter - must not be null.
      Returns:
      a new Slice with the content of the current one mapped by the given Converter.
      Since:
      1.10
      See Also:

    • nextOrLastPageable

      default Pageable nextOrLastPageable()
      Returns the Pageable describing the next slice or the one describing the current slice in case it's the last one.
      Returns:
      Since:
      2.2

    • previousOrFirstPageable

      default Pageable previousOrFirstPageable()
      Returns the Pageable describing the previous slice or the one describing the current slice in case it's the first one.
      Returns:
      Since:
      2.2