Class DerbyPagingQueryProvider

java.lang.Object

org.springframework.batch.infrastructure.item.database.support.AbstractSqlPagingQueryProvider

org.springframework.batch.infrastructure.item.database.support.DerbyPagingQueryProvider

All Implemented Interfaces:

PagingQueryProvider

public class DerbyPagingQueryProvider
extends AbstractSqlPagingQueryProvider

Derby implementation of a PagingQueryProvider using database specific features.

Since:

2.0

Author:

Thomas Risberg, David Thexton, Michael Minella, Henning Pöttker

Constructor Summary

Constructors

Constructor	Description
DerbyPagingQueryProvider()

Method Summary

Modifier and Type	Method	Description
String	generateFirstPageQuery(int pageSize)	Method generating the query string to be used for retrieving the first page.
String	generateRemainingPagesQuery(int pageSize)	Method generating the query string to be used for retrieving the pages following the first page.

Methods inherited from class AbstractSqlPagingQueryProvider

getFromClause, getGroupClause, getParameterCount, getSelectClause, getSortKeyPlaceHolder, getSortKeys, getSortKeysWithoutAliases, getWhereClause, init, isUsingNamedParameters, setFromClause, setGroupClause, setSelectClause, setSortKeys, setWhereClause

Methods inherited from class Object

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

Constructor Details

DerbyPagingQueryProvider

public DerbyPagingQueryProvider()

Method Details

generateFirstPageQuery

public String generateFirstPageQuery(int pageSize)

Description copied from class: AbstractSqlPagingQueryProvider

Method generating the query string to be used for retrieving the first page. This method must be implemented in subclasses.

Specified by:

generateFirstPageQuery in interface PagingQueryProvider

Specified by:

generateFirstPageQuery in class AbstractSqlPagingQueryProvider

Parameters:

pageSize - number of rows to read per page

Returns:

query string

generateRemainingPagesQuery

public String generateRemainingPagesQuery(int pageSize)

Description copied from class: AbstractSqlPagingQueryProvider

Method generating the query string to be used for retrieving the pages following the first page. This method must be implemented in subclasses.

Specified by:

generateRemainingPagesQuery in interface PagingQueryProvider

Specified by:

generateRemainingPagesQuery in class AbstractSqlPagingQueryProvider

Parameters:

pageSize - number of rows to read per page

Returns:

query string