org.seedstack.business.jpa

Class BaseJpaRangeFinder<Item>

java.lang.Object

org.seedstack.business.jpa.BaseJpaRangeFinder<Item>

Type Parameters:

Item - the dto to paginate

All Implemented Interfaces:

org.seedstack.business.api.interfaces.finder.RangeFinder<Item,Map<String,Object>>

public abstract class BaseJpaRangeFinder<Item>
extends Object
implements org.seedstack.business.api.interfaces.finder.RangeFinder<Item,Map<String,Object>>

A base finder providing a simple pagination mechanism.

Author:

epo.jemba@ext.mpsa.com

Constructor Summary

Constructors

Constructor and Description
BaseJpaRangeFinder()

Method Summary

Modifier and Type	Method and Description
protected abstract long	computeFullRequestSize(Map<String,Object> criteria) Returns the total number of items available.
protected abstract List<Item>	computeResultList(org.seedstack.business.api.interfaces.finder.Range range, Map<String,Object> criteria) Returns a sub list of items corresponding to the required range and criteria.
org.seedstack.business.api.interfaces.finder.Result<Item>	find(org.seedstack.business.api.interfaces.finder.Range range, Map<String,Object> criteria)
protected void	updateQuery(javax.persistence.Query query, Map<String,Object> criteria)

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseJpaRangeFinder

public BaseJpaRangeFinder()

Method Detail

find

public org.seedstack.business.api.interfaces.finder.Result<Item> find(org.seedstack.business.api.interfaces.finder.Range range,
                                                                      Map<String,Object> criteria)

Specified by:

find in interface org.seedstack.business.api.interfaces.finder.RangeFinder<Item,Map<String,Object>>

computeResultList

protected abstract List<Item> computeResultList(org.seedstack.business.api.interfaces.finder.Range range,
                                                Map<String,Object> criteria)

Returns a sub list of items corresponding to the required range and criteria.

Parameters:

range - the range

criteria - the criteria

Returns:

the sub list of item

computeFullRequestSize

protected abstract long computeFullRequestSize(Map<String,Object> criteria)

Returns the total number of items available.

Parameters:

criteria - the request criteria

Returns:

the total number of item

updateQuery

protected void updateQuery(javax.persistence.Query query,
                           Map<String,Object> criteria)