org.melati.util
Class DumbPagedEnumeration

java.lang.Object
  org.melati.util.PagedEnumerationBase
      org.melati.util.DumbPagedEnumeration

All Implemented Interfaces:

java.util.Enumeration, PagedEnumeration

public class DumbPagedEnumeration
extends PagedEnumerationBase

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

Nested Class Summary

Nested classes/interfaces inherited from class org.melati.util.PagedEnumerationBase

PagedEnumerationBase.Page

Constructor Summary

DumbPagedEnumeration(java.util.Enumeration base, int pageStart, int pageSize, int countHorizon)
Constructor.

Method Summary

java.lang.Integer	getNextPageStart()
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(java.util.Enumeration 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 java.lang.Integer getNextPageStart()

Returns:

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

See Also:

PagedEnumerationBase

getTotalCountIsMinimum

public boolean getTotalCountIsMinimum()

Returns:

whether there are more elements to come beyond horizon