it.tidalwave.util
Class FinderSupport<T>

java.lang.Object
  it.tidalwave.util.FinderSupport<T>

All Implemented Interfaces:

Finder<T>, java.io.Serializable, java.lang.Cloneable

public abstract class FinderSupport<T>
extends java.lang.Object
implements Finder<T>

Version:

$Id: FinderSupport.java,v 1fac844c8d8a 2010/03/21 17:00:04 fabrizio $

Author:

Fabrizio Giudici

See Also:

Serialized Form

Status: draft API

Nested Class Summary

Nested classes/interfaces inherited from interface it.tidalwave.util.Finder

Finder.SortCriterion, Finder.SortDirection

Field Summary

protected int	firstResult
protected int	maxResults

Constructor Summary

FinderSupport(java.lang.String description)

Method Summary

int	count()
protected abstract java.util.List<T>	doCompute()
T	firstResult()
Finder	from(int firstResult)
Finder	max(int maxResults)
<X> Finder<X>	ofType(java.lang.Class<X> type)
T	result()
java.util.List<? extends T>	results()
Finder<T>	sort(Finder.SortCriterion criterion)
Finder<T>	sort(Finder.SortCriterion criterion, Finder.SortDirection direction)

Methods inherited from class java.lang.Object

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

Field Detail

firstResult

@Nonnegative
protected int firstResult

maxResults

@Nonnegative
protected int maxResults

Constructor Detail

FinderSupport

public FinderSupport(@Nonnull
                     java.lang.String description)

Method Detail

count

@Nonnegative
public int count()

Specified by:

count in interface Finder<T>

from

@Nonnull
public Finder from(@Nonnegative
                           int firstResult)

Specified by:

from in interface Finder<T>

max

@Nonnull
public Finder max(@Nonnegative
                          int maxResults)

Specified by:

max in interface Finder<T>

ofType

@Nonnull
public <X> Finder<X> ofType(@Nonnull
                                    java.lang.Class<X> type)

Specified by:

ofType in interface Finder<T>

result

@Nonnull
public T result()
         throws NotFoundException

Specified by:

result in interface Finder<T>

Throws:

NotFoundException

firstResult

@Nonnull
public T firstResult()
              throws NotFoundException

Specified by:

firstResult in interface Finder<T>

Throws:

NotFoundException

results

@Nonnull
public java.util.List<? extends T> results()

Specified by:

results in interface Finder<T>

sort

@Nonnull
public Finder<T> sort(@Nonnull
                              Finder.SortCriterion criterion,
                              @Nonnull
                              Finder.SortDirection direction)

Specified by:

sort in interface Finder<T>

sort

@Nonnull
public Finder<T> sort(@Nonnull
                              Finder.SortCriterion criterion)

Specified by:

sort in interface Finder<T>

doCompute

@Nonnull
protected abstract java.util.List<T> doCompute()