Package de.digitalcollections.model.list.paging

Class PageRequest

java.lang.Object

de.digitalcollections.model.list.ListRequest

de.digitalcollections.model.list.paging.PageRequest

All Implemented Interfaces:

Serializable

public class PageRequest
extends ListRequest

Container for paging, sorting, filtering and searching params:

• pageNumber: which page to be returned
• pageSize: how many items on one page
• sorting: container for sorting order of result list
• filtering: container for filter criterias of result list
• searchTerm: searchTerm term for simple query term to be searched for

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PageRequest.Builder

Field Summary

Fields inherited from class de.digitalcollections.model.list.ListRequest

filtering, searchTerm, sorting

Constructor Summary

Constructors

Constructor	Description
PageRequest()
PageRequest(int pageNumber, int pageSize)	Creates a new PageRequest.
PageRequest(int pageNumber, int pageSize, Direction direction, String... properties)	Creates a new PageRequest with sorting parameters applied.
PageRequest(int pageNumber, int pageSize, Sorting sorting)
PageRequest(int pageNumber, int pageSize, Sorting sorting, Filtering filtering)
PageRequest(int pageNumber, int pageSize, Sorting sorting, Filtering filtering, String searchTerm)	Creates a new PageRequest with sorting parameters applied.
PageRequest(String searchTerm, int pageNumber, int pageSize)
PageRequest(String searchTerm, int pageNumber, int pageSize, Sorting sorting)

Method Summary

Modifier and Type	Method	Description
static PageRequest.Builder	builder()
boolean	equals(Object obj)
PageRequest	first()
int	getOffset()
int	getPageNumber()
int	getPageSize()
int	hashCode()
boolean	hasPrevious()	Returns whether there's a previous PageRequest we can access from the current one.
protected void	init()
PageRequest	next()
PageRequest	previous()	Returns the PageResponse requesting the previous page.
PageRequest	previousOrFirst()
void	setPageNumber(int pageNumber)
void	setPageSize(int pageSize)
String	toString()

Methods inherited from class de.digitalcollections.model.list.ListRequest

add, add, getFiltering, getSearchTerm, getSorting, hasFiltering, hasSorting, setFiltering, setSearchTerm, setSorting

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PageRequest

public PageRequest()

PageRequest

public PageRequest(int pageNumber,
                   int pageSize)

Creates a new PageRequest. Pages are zero indexed, thus providing 0 for page will return the first page.

Parameters:

pageNumber - zero-based page index.

pageSize - the size of the page to be returned.

PageRequest

public PageRequest(int pageNumber,
                   int pageSize,
                   Direction direction,
                   String... properties)

Creates a new PageRequest with sorting parameters applied.

Parameters:

pageNumber - zero-based page index.

pageSize - the size of the page to be returned.

direction - the direction of the Sorting to be specified, can be null.

properties - the properties to sorting by, must not be null or empty.

PageRequest

public PageRequest(int pageNumber,
                   int pageSize,
                   Sorting sorting)

PageRequest

public PageRequest(int pageNumber,
                   int pageSize,
                   Sorting sorting,
                   Filtering filtering)

PageRequest

public PageRequest(String searchTerm,
                   int pageNumber,
                   int pageSize)

PageRequest

public PageRequest(String searchTerm,
                   int pageNumber,
                   int pageSize,
                   Sorting sorting)

PageRequest

public PageRequest(int pageNumber,
                   int pageSize,
                   Sorting sorting,
                   Filtering filtering,
                   String searchTerm)

Creates a new PageRequest with sorting parameters applied.

Parameters:

pageNumber - zero-based page index, must not be less than zero.

pageSize - the size of the page to be returned, must not be less than one.

sorting - can be null

filtering - contains list of filter criterias

searchTerm - searchTerm term for simple query term to be searched for

Method Detail

builder

public static PageRequest.Builder builder()

equals

public boolean equals(Object obj)

Overrides:

equals in class ListRequest

first

public PageRequest first()

Returns:

the PageRequest requesting the first page

getOffset

public int getOffset()

Returns:

the offset to be taken according to the underlying page and page size.

getPageNumber

public int getPageNumber()

Returns:

the page to be returned.

getPageSize

public int getPageSize()

Returns:

the number of items of that page

hasPrevious

public boolean hasPrevious()

Returns whether there's a previous PageRequest we can access from the current one. Will return false in case the current PageRequest already refers to the first page.

Returns:

whether there's a previous PageRequest

hashCode

public int hashCode()

Overrides:

hashCode in class ListRequest

init

protected void init()

Overrides:

init in class ListRequest

next

public PageRequest next()

Returns:

the PageRequest requesting the next page

previous

public PageRequest previous()

Returns the PageResponse requesting the previous page.

Returns:

the PageResponse requesting the previous page

previousOrFirst

public PageRequest previousOrFirst()

Returns:

the previous PageRequest or the first PageRequest if the current one already is the first one

setPageNumber

public void setPageNumber(int pageNumber)

Parameters:

pageNumber - the page to be returned

setPageSize

public void setPageSize(int pageSize)

Parameters:

pageSize - the number of items of that page

toString

public String toString()

Overrides:

toString in class ListRequest