Slice (Spring Data Core 2.4.3 API)

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 Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`List<T>`	`getContent()` Returns the page content as `List`.
`int`	`getNumber()` Returns the number of the current `Slice`.
`int`	`getNumberOfElements()` Returns the number of elements currently on this `Slice`.
`default Pageable`	`getPageable()` Returns the `Pageable` that's been used to request the current `Slice`.
`int`	`getSize()` Returns the size of the `Slice`.
`Sort`	`getSort()` Returns the sorting parameters for the `Slice`.
`boolean`	`hasContent()` Returns whether the `Slice` has content at all.
`boolean`	`hasNext()` Returns if there is a next `Slice`.
`boolean`	`hasPrevious()` Returns if there is a previous `Slice`.
`boolean`	`isFirst()` Returns whether the current `Slice` is the first one.
`boolean`	`isLast()` Returns whether the current `Slice` is the last one.
`<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`.
`default Pageable`	`nextOrLastPageable()` Returns the `Pageable` describing the next slice or the one describing the current slice in case it's the last one.
`Pageable`	`nextPageable()` Returns the `Pageable` to request the next `Slice`.
`default Pageable`	`previousOrFirstPageable()` Returns the `Pageable` describing the previous slice or the one describing the current slice in case it's the first one.
`Pageable`	`previousPageable()` Returns the `Pageable` to request the previous `Slice`.

Methods inherited from interface org.springframework.data.util.Streamable
and, and, and, and, empty, filter, flatMap, get, isEmpty, of, of, of, stream, toList, toSet, toStreamable, toStreamable

Methods inherited from interface java.lang.Iterable
forEach, iterator, spliterator

- Method Detail
  - 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:
    
    nextOrLastPageable()
  - 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:
    
    previousPageable()
  - 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:
    
    Stream.map(Function)
  - 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

Interface Slice<T>

Method Summary

Methods inherited from interface org.springframework.data.util.Streamable

Methods inherited from interface java.lang.Iterable

Method Detail

getNumber

getSize

getNumberOfElements

getContent

hasContent

getSort

isFirst

isLast

hasNext

hasPrevious

getPageable

nextPageable

previousPageable

map

nextOrLastPageable

previousOrFirstPageable