Package com.blazebit.persistence.deltaspike.data

Class PageRequest

java.lang.Object

com.blazebit.persistence.deltaspike.data.PageRequest

All Implemented Interfaces:

Pageable, Serializable

Direct Known Subclasses:

KeysetPageRequest

public class PageRequest
extends Object
implements Pageable, Serializable

Immutable implementation of Pageable, heavily inspired by Spring Data's PageRequest.

Since:

1.2.0

Author:

Christian Beikov

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PageRequest(int page, int pageSize)	Creates a new PageRequest for requesting the given page with the given page size.
PageRequest(int page, int pageSize, Sort sort)	Creates a new PageRequest with given sorting.
PageRequest(int page, int pageSize, Sort.Direction direction, String... paths)	Creates a new PageRequest with a sorting based on the given paths and direction.
PageRequest(Sort sort, int offset, int pageSize)	Creates a new PageRequest with given sorting.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
Pageable	first()	Returns the Pageable that can be used to request the first Page.
int	getOffset()	Returns the offset represented by the page number multiplied with the page size.
int	getPageNumber()	Returns the page to be returned.
int	getPageSize()	Returns the number of elements per page to be returned.
Sort	getSort()	Returns the sorting that should be used for pagination.
int	hashCode()
boolean	hasPrevious()	Returns whether there is a previous Pageable i.e. if the page number is greater than 0.
Pageable	next()	Returns the Pageable that can be used to request the next Page.
Pageable	previous()	Returns the Pageable that can be used to request the previous Page or null if the current one already is the first one.
Pageable	previousOrFirst()	Returns the Pageable that can be used to request the previous Page or the first if the current one already is the first one.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

PageRequest

public PageRequest(int page,
 int pageSize)

Creates a new PageRequest for requesting the given page with the given page size.

Parameters:

page - The zero based page number

pageSize - The number of elements per page

PageRequest

public PageRequest(int page,
 int pageSize,
 Sort.Direction direction,
 String... paths)

Creates a new PageRequest with a sorting based on the given paths and direction.

Parameters:

page - The zero based page number

pageSize - The number of elements per page

direction - The direction to use for the Sort to be specified, may be null

paths - The paths to sort by

PageRequest

public PageRequest(int page,
 int pageSize,
 Sort sort)

Creates a new PageRequest with given sorting.

Parameters:

page - The zero based page number

pageSize - The number of elements per page

sort - The sorting to use for the page, may be null

PageRequest

public PageRequest(Sort sort,
 int offset,
 int pageSize)

Creates a new PageRequest with given sorting.

Parameters:

sort - The sorting to use for the page, may be null

offset - The zero based offset number

pageSize - The number of elements per page

Since:

1.3.0

Method Details

getSort

public Sort getSort()

Description copied from interface: Pageable

Returns the sorting that should be used for pagination.

Specified by:

getSort in interface Pageable

Returns:

The sorting

next

public Pageable next()

Description copied from interface: Pageable

Returns the Pageable that can be used to request the next Page.

Specified by:

next in interface Pageable

Returns:

The Pageable for the next Page

first

public Pageable first()

Description copied from interface: Pageable

Returns the Pageable that can be used to request the first Page.

Specified by:

first in interface Pageable

Returns:

The Pageable for the first Page

getPageSize

public int getPageSize()

Description copied from interface: Pageable

Returns the number of elements per page to be returned.

Specified by:

getPageSize in interface Pageable

Returns:

The number of elements per page

getPageNumber

public int getPageNumber()

Description copied from interface: Pageable

Returns the page to be returned. Zero based.

Specified by:

getPageNumber in interface Pageable

Returns:

The page to be returned.

getOffset

public int getOffset()

Description copied from interface: Pageable

Returns the offset represented by the page number multiplied with the page size.

Specified by:

getOffset in interface Pageable

Returns:

The offset

hasPrevious

public boolean hasPrevious()

Description copied from interface: Pageable

Returns whether there is a previous Pageable i.e. if the page number is greater than 0.

Specified by:

hasPrevious in interface Pageable

Returns:

Whether there is a previous page

previous

public Pageable previous()

Description copied from interface: Pageable

Returns the Pageable that can be used to request the previous Page or null if the current one already is the first one.

Specified by:

previous in interface Pageable

Returns:

The Pageable for the previous Page

previousOrFirst

public Pageable previousOrFirst()

Description copied from interface: Pageable

Returns the Pageable that can be used to request the previous Page or the first if the current one already is the first one.

Specified by:

previousOrFirst in interface Pageable

Returns:

The Pageable for the previous or first Page

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object