com.dynamic.sql.plugins.pagination

Class PageInfo<T>

java.lang.Object

com.dynamic.sql.plugins.pagination.AbstractPage

com.dynamic.sql.plugins.pagination.PageInfo<T>

public class PageInfo<T>
extends AbstractPage

Field Summary

Fields inherited from class com.dynamic.sql.plugins.pagination.AbstractPage

log, pageIndex, pageSize, total, totalPage

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PageInfo(int pageIndex, int pageSize)

Method Summary

Modifier and Type	Method and Description
int	getRealSize()
T	getRecords()
PageInfo<T>	selectNextPage(Supplier<T> selectSupplier) 查询下一页的记录并返回 MapPage 对象。
String	toString()

Methods inherited from class com.dynamic.sql.plugins.pagination.AbstractPage

getCacheTotal, getPageIndex, getPageSize, getTotal, getTotalPage, hasNextPage, hasPreviousPage, initTotalPage, setTotal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PageInfo

protected PageInfo(int pageIndex,
                   int pageSize)

Method Detail

getRecords

public T getRecords()

getRealSize

public int getRealSize()

selectNextPage

public PageInfo<T> selectNextPage(Supplier<T> selectSupplier)

查询下一页的记录并返回 MapPage 对象。

此方法会将当前的页码 pageIndex 自增 ，然后执行查询 Supplier 获取下一页的数据。该方法在实现时优化了查询逻辑，避免了每次都进行总记录数的统计（count 查询）， 从而提高查询性能。

Parameters:

selectSupplier - 查询方法，来源于SqlContext#select()

Returns:

返回下一页的 MapPage 对象，包含更新后的分页信息和查询结果。

toString

public String toString()

Overrides:

toString in class Object