org.seedstack.business.finder

Class BaseRangeFinder<T,C>

java.lang.Object

org.seedstack.business.finder.BaseRangeFinder<T,C>

Type Parameters:

T - the type of the items to return

C - the type of criteria used to filter

All Implemented Interfaces:

RangeFinder<T,C>

public abstract class BaseRangeFinder<T,C>
extends Object
implements RangeFinder<T,C>

A base finder providing a simple pagination mechanism.

Constructor Summary

Constructors

Constructor and Description
BaseRangeFinder()

Method Summary

Modifier and Type	Method and Description
protected abstract long	computeFullRequestSize(C criteria) Returns the total number of items available.
protected abstract List<T>	computeResultList(Range range, C criteria) Returns a sub list of items corresponding to the required range and criteria.
Result<T>	find(Range range, C criteria) Find items according a range and a criteria.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseRangeFinder

public BaseRangeFinder()

Method Detail

find

public Result<T> find(Range range,
                      C criteria)

Description copied from interface: RangeFinder

Find items according a range and a criteria.

Specified by:

find in interface RangeFinder<T,C>

Parameters:

range - the range

criteria - the criteria

Returns:

a result object containing the items

computeResultList

protected abstract List<T> computeResultList(Range range,
                                             C 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(C criteria)

Returns the total number of items available.

Parameters:

criteria - the request criteria

Returns:

the total number of item