Spring Data Core

org.springframework.data.domain
Class PageImpl<T>

java.lang.Object
  extended by org.springframework.data.domain.PageImpl<T>
Type Parameters:
T - the type of which the page consists.
All Implemented Interfaces:
Serializable, Iterable<T>, Page<T>, Slice<T>
Direct Known Subclasses:
GeoPage

public class PageImpl<T>
extends Object
implements Page<T>

Basic Page implementation.

Author:
Oliver Gierke
See Also:
Serialized Form

Constructor Summary
PageImpl(List<T> content)
          Creates a new PageImpl with the given content.
PageImpl(List<T> content, Pageable pageable, long total)
          Constructor of PageImpl.
 
Method Summary
 boolean equals(Object obj)
           
 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.
 int getSize()
          Returns the size of the Slice.
 Sort getSort()
          Returns the sorting parameters for the Slice.
 long getTotalElements()
          Returns the total amount of elements.
 int getTotalPages()
          Returns the number of total pages.
 boolean hasContent()
          Returns whether the Slice has content at all.
 int hashCode()
           
 boolean hasNext()
          Returns if there is a next Slice.
 boolean hasNextPage()
          Returns if there is a next page.
 boolean hasPrevious()
          Returns if there is a previous Slice.
 boolean hasPreviousPage()
          Returns if there is a previous page.
 boolean isFirst()
          Returns whether the current Slice is the first one.
 boolean isFirstPage()
          Returns whether the current page is the first one.
 boolean isLast()
          Returns whether the current Slice is the last one.
 boolean isLastPage()
          Returns whether the current page is the last one.
 Iterator<T> iterator()
           
 Pageable nextPageable()
          Returns the Pageable to request the next Slice.
 Pageable previousPageable()
          Returns the Pageable to request the previous Slice.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.springframework.data.domain.Slice
getContent, getNumber, getNumberOfElements, getSize, getSort, hasContent, hasPrevious, isFirst, nextPageable, previousPageable
 
Methods inherited from interface java.lang.Iterable
iterator
 

Constructor Detail

PageImpl

public PageImpl(List<T> content,
                Pageable pageable,
                long total)
Constructor of PageImpl.

Parameters:
content - the content of this page, must not be null.
pageable - the paging information, can be null.
total - the total amount of items available

PageImpl

public PageImpl(List<T> content)
Creates a new PageImpl with the given content. This will result in the created Page being identical to the entire List.

Parameters:
content - must not be null.
Method Detail

getTotalPages

public int getTotalPages()
Description copied from interface: Page
Returns the number of total pages.

Specified by:
getTotalPages in interface Page<T>
Returns:
the number of toral pages

getTotalElements

public long getTotalElements()
Description copied from interface: Page
Returns the total amount of elements.

Specified by:
getTotalElements in interface Page<T>
Returns:
the total amount of elements

hasPreviousPage

public boolean hasPreviousPage()
Description copied from interface: Page
Returns if there is a previous page.

Specified by:
hasPreviousPage in interface Page<T>
Returns:
if there is a previous page

isFirstPage

public boolean isFirstPage()
Description copied from interface: Page
Returns whether the current page is the first one.

Specified by:
isFirstPage in interface Page<T>
Returns:

hasNext

public boolean hasNext()
Description copied from interface: Slice
Returns if there is a next Slice.

Specified by:
hasNext in interface Slice<T>
Returns:
if there is a next Slice.

hasNextPage

public boolean hasNextPage()
Description copied from interface: Page
Returns if there is a next page.

Specified by:
hasNextPage in interface Page<T>
Returns:
if there is a next page

isLast

public boolean isLast()
Description copied from interface: Slice
Returns whether the current Slice is the last one.

Specified by:
isLast in interface Slice<T>
Returns:

isLastPage

public boolean isLastPage()
Description copied from interface: Page
Returns whether the current page is the last one.

Specified by:
isLastPage in interface Page<T>
Returns:

toString

public String toString()
Overrides:
toString in class Object

equals

public boolean equals(Object obj)

hashCode

public int hashCode()

getNumber

public int getNumber()
Description copied from interface: Slice
Returns the number of the current Slice. Is always non-negative.

Specified by:
getNumber in interface Slice<T>
Returns:
the number of the current Slice.

getSize

public int getSize()
Description copied from interface: Slice
Returns the size of the Slice.

Specified by:
getSize in interface Slice<T>
Returns:
the size of the Slice.

getNumberOfElements

public int getNumberOfElements()
Description copied from interface: Slice
Returns the number of elements currently on this Slice.

Specified by:
getNumberOfElements in interface Slice<T>
Returns:
the number of elements currently on this Slice.

hasPrevious

public boolean hasPrevious()
Description copied from interface: Slice
Returns if there is a previous Slice.

Specified by:
hasPrevious in interface Slice<T>
Returns:
if there is a previous Slice.

isFirst

public boolean isFirst()
Description copied from interface: Slice
Returns whether the current Slice is the first one.

Specified by:
isFirst in interface Slice<T>
Returns:

nextPageable

public Pageable nextPageable()
Description copied from interface: Slice
Returns the Pageable to request the next Slice. Can be null in case the current Slice is already the last one. Clients should check Slice.hasNext() before calling this method to make sure they receive a non-null value.

Specified by:
nextPageable in interface Slice<T>
Returns:

previousPageable

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

Specified by:
previousPageable in interface Slice<T>
Returns:

hasContent

public boolean hasContent()
Description copied from interface: Slice
Returns whether the Slice has content at all.

Specified by:
hasContent in interface Slice<T>
Returns:

getContent

public List<T> getContent()
Description copied from interface: Slice
Returns the page content as List.

Specified by:
getContent in interface Slice<T>
Returns:

getSort

public Sort getSort()
Description copied from interface: Slice
Returns the sorting parameters for the Slice.

Specified by:
getSort in interface Slice<T>
Returns:

iterator

public Iterator<T> iterator()
Specified by:
iterator in interface Iterable<T>

Spring Data Core

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