Package com.blazebit.persistence.deltaspike.data

Interface Slice<T>

All Superinterfaces:
Iterable<T>
All Known Subinterfaces:
KeysetAwarePage<T>, KeysetAwareSlice<T>, Page<T>
public interface Slice<T> extends Iterable<T>
A sublist of a list of objects without knowledge of the size of the overall list, heavily inspired by Spring Data's Slice.
Since:
1.2.0
Author:
Christian Beikov

  • Method Details

    • getNumber

      int getNumber()
      Returns the number of the current Slice. Zero based.
      Returns:
      The number of the current Slice.

    • getSize

      int getSize()
      Returns the size of the Slice i.e. what was request via Pageable.getPageSize().
      Returns:
      The size of the Slice.

    • getNumberOfElements

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

    • getContent

      List<T> getContent()
      Returns the slice content as Slice.
      Returns:
      The content of the Slice

    • hasContent

      boolean hasContent()
      Returns whether the Slice has content at all.
      Returns:
      true if the content is non-empty, false otherwise

    • getSort

      Sort getSort()
      Returns the sorting that was used for pagination.
      Returns:
      The sorting

    • isFirst

      boolean isFirst()
      Returns whether the current Slice is the first one.
      Returns:
      true if the getNumber() is 0, false otherwise

    • isLast

      boolean isLast()
      Returns whether the current Slice is the last one.
      Returns:
      true if this is the last slice, false otherwise

    • hasNext

      boolean hasNext()
      Returns if there is a next Slice.
      Returns:
      true if nextPageable() will return results, false otherwise

    • hasPrevious

      boolean hasPrevious()
      Returns if there is a previous Slice.
      Returns:
      true if the getNumber() is greater than 0, false otherwise

    • currentPageable

      Pageable currentPageable()
      Returns the Pageable that can be used to request the current Slice.
      Returns:
      The Pageable for the current Slice

    • nextPageable

      Pageable nextPageable()
      Returns the Pageable that can be used to request the next Slice. Returns null if hasNext() returns false.
      Returns:
      The Pageable for the next Slice, or null if this is the last Slice

    • previousPageable

      Pageable previousPageable()
      Returns the Pageable that can be used to request the previous Slice. Returns null if hasPrevious() returns false.
      Returns:
      The Pageable for the previous Slice, or null if this is the first Slice