org.melati.util
Class DumbPagedEnumeration<T>

java.lang.Object
  org.melati.util.PagedEnumerationBase<T>
      org.melati.util.DumbPagedEnumeration<T>

All Implemented Interfaces:

Enumeration<T>, PagedEnumeration<T>

public class DumbPagedEnumeration<T>
extends PagedEnumerationBase<T>

A PagedEnumeration which doesn't know how big it is. Ideally SQL would allow you to start at an offset.

Constructor Summary

DumbPagedEnumeration(Enumeration<T> base, int pageStart, int pageSize, int countHorizon)
Constructor.

Method Summary

Integer	getNextPageStart()
Vector<Page>	getPageStartList()
boolean	getTotalCountIsMinimum()

Methods inherited from class org.melati.util.PagedEnumerationBase

getCurrentPosition, getNextPosition, getPageEnd, getPages, getPageSize, getPageStart, getPrevPageStart, getTotalCount, hasMoreElements, nextElement, nextElementOnThisPage

Methods inherited from class java.lang.Object

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

Constructor Detail

DumbPagedEnumeration

public DumbPagedEnumeration(Enumeration<T> base,
                            int pageStart,
                            int pageSize,
                            int countHorizon)

Constructor.

Parameters:

base - underlying Enumeration

pageStart - index of start of page

pageSize - how many Elements to include upon a page

countHorizon - where to count to, may be less than total size of underlying Enumeration

Method Detail

getNextPageStart

public Integer getNextPageStart()

Returns:

the start record of the next page, indexed from 1.

See Also:

org.melati.poem.util.PagedEnumerationBase#getNextPageStart()

getTotalCountIsMinimum

public boolean getTotalCountIsMinimum()

Returns:

whether there are more elements to come beyond horizon

getPageStartList

public Vector<Page> getPageStartList()