Package com.bellotapps.webapps_commons.persistence.repository_utils

Interface Page<T>

All Superinterfaces:

Slice<T>

All Known Implementing Classes:

PageImpl

public interface Page<T>
extends Slice<T>

An extension of a Slice in which is known the overall amount of data.

Method Summary

Modifier and Type	Method	Description
static <S> Page<S>	empty()	Creates an empty Page.
static <S> Page<S>	empty(int number, int size, SortingData sortingData, long totalElements)	Creates an empty Page, using the given paging and sorting information.
static <S> Page<S>	emptyUnsorted(int number, int size, long totalElements)	Creates an empty unsorted Page, using the given paging information.
<U> Page<U>	map(java.util.function.Function<T,U> mapper)	Maps the content of this page according to the given mapper.
static <S> Page<S>	of(int number, int size, SortingData sortingData, java.util.List<S> content, long totalElements)	Creates a Page.
static <S> Page<S>	ofUnsorted(int number, int size, java.util.List<S> content, long totalElements)	Creates an unsorted Page.
long	totalElements()
int	totalPages()

Methods inherited from interface com.bellotapps.webapps_commons.persistence.repository_utils.Slice

content, firstRequest, hasContent, hasNext, hasPrevious, isFirst, isLast, nextRequest, number, numberOfElements, offset, previousRequest, requestedBy, size, sortingData

Method Detail

totalPages

int totalPages()

Returns:

The total amount of pages.

totalElements

long totalElements()

Returns:

The overall amount of elements.

map

<U> Page<U> map(java.util.function.Function<T,U> mapper)

Maps the content of this page according to the given mapper.

Specified by:

map in interface Slice<T>

Type Parameters:

U - Concrete type of the resulting contents.

Parameters:

mapper - A Function that maps the contents of this page.

Returns:

A new page containing the mapped elements.

empty

static <S> Page<S> empty()

Creates an empty Page.

Type Parameters:

S - The type of elements in the page.

Returns:

An empty Page.

emptyUnsorted

static <S> Page<S> emptyUnsorted(int number,
                                 int size,
                                 long totalElements)

Creates an empty unsorted Page, using the given paging information.

Type Parameters:

S - The type of elements in the page.

Parameters:

number - The number of the page.

size - The size of the page.

totalElements - The overall amount of elements.

Returns:

An unsorted empty Page.

empty

static <S> Page<S> empty(int number,
                         int size,
                         SortingData sortingData,
                         long totalElements)

Creates an empty Page, using the given paging and sorting information.

Type Parameters:

S - The type of elements in the page.

Parameters:

number - The number of the page.

size - The size of the page.

sortingData - The SortingData that was used to sort contents of this page.

totalElements - The overall amount of elements.

Returns:

An empty Page.

ofUnsorted

static <S> Page<S> ofUnsorted(int number,
                              int size,
                              java.util.List<S> content,
                              long totalElements)

Creates an unsorted Page.

Type Parameters:

S - The type of elements in the page.

Parameters:

number - The number of the page.

size - The size of the page.

content - The elements in the page.

totalElements - The overall amount of elements.

Returns:

An unsorted Page.

of

static <S> Page<S> of(int number,
                      int size,
                      SortingData sortingData,
                      java.util.List<S> content,
                      long totalElements)

Creates a Page.

Type Parameters:

S - The type of elements in the page.

Parameters:

number - The number of the page.

size - The size of the page.

sortingData - The SortingData that was used to sort contents of this page.

content - The elements in the page.

totalElements - The overall amount of elements.

Returns:

A Page.