Slice (Spring Data Core 2.1.3.RELEASE 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`.
`Pageable`	`nextPageable()` Returns the `Pageable` to request the next `Slice`.
`Pageable`	`previousPageable()` Returns the `Pageable` to request the previous `Slice`.

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

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 null in case the current Slice is already the last one. Clients should check hasNext() before calling this method to make sure they receive a non-null value.
    
    Returns:
  - previousPageable
```
Pageable previousPageable()
```
    Returns the Pageable to request the previous Slice. Can be null in case the current Slice is already the first one. Clients should check hasPrevious() before calling this method make sure receive a non-null value.
    
    Returns:
  - 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)

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