org.melati.util
Class PagedEnumerationBase<T>

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

All Implemented Interfaces:

Enumeration<T>, PagedEnumeration<T>

Direct Known Subclasses:

CountedDumbPagedEnumeration, DumbPagedEnumeration

public abstract class PagedEnumerationBase<T>
extends Object
implements PagedEnumeration<T>

All the code common to CountedDumbPagedEnumeration and DumbPagedEnumeration.

Constructor Summary

PagedEnumerationBase()

Method Summary

int	getCurrentPosition()
int	getNextPosition()
int	getPageEnd()
Vector<Page>	getPages()
int	getPageSize()
int	getPageStart()
Integer	getPrevPageStart()
int	getTotalCount()
boolean	hasMoreElements()
T	nextElement()
boolean	nextElementOnThisPage()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.melati.util.PagedEnumeration

getNextPageStart

Constructor Detail

PagedEnumerationBase

public PagedEnumerationBase()

Method Detail

hasMoreElements

public boolean hasMoreElements()

Specified by:

hasMoreElements in interface Enumeration<T>

See Also:

Enumeration.hasMoreElements()

nextElement

public T nextElement()

Specified by:

nextElement in interface Enumeration<T>

See Also:

Enumeration.nextElement()

getPageStart

public int getPageStart()

Specified by:

getPageStart in interface PagedEnumeration<T>

Returns:

the start record of the page, indexed from 1.

See Also:

org.melati.poem.util.PagedEnumeration#getPageStart()

getPageEnd

public int getPageEnd()

Specified by:

getPageEnd in interface PagedEnumeration<T>

Returns:

the end record of the page, indexed from 1.

See Also:

org.melati.poem.util.PagedEnumeration#getPageEnd()

getTotalCount

public int getTotalCount()

Specified by:

getTotalCount in interface PagedEnumeration<T>

Returns:

the total number of items

See Also:

org.melati.poem.util.PagedEnumeration#getTotalCount()

getPrevPageStart

public Integer getPrevPageStart()

Specified by:

getPrevPageStart in interface PagedEnumeration<T>

Returns:

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

See Also:

org.melati.poem.util.PagedEnumeration#getPrevPageStart()

getCurrentPosition

public int getCurrentPosition()

Specified by:

getCurrentPosition in interface PagedEnumeration<T>

Returns:

where we are in the sequence

See Also:

org.melati.poem.util.PagedEnumeration#getCurrentPosition()

getNextPosition

public int getNextPosition()

Specified by:

getNextPosition in interface PagedEnumeration<T>

Returns:

the position of the next element in the sequence

See Also:

org.melati.poem.util.PagedEnumeration#getNextPosition()

nextElementOnThisPage

public boolean nextElementOnThisPage()

Specified by:

nextElementOnThisPage in interface PagedEnumeration<T>

Returns:

whether there are more elements on this page

See Also:

org.melati.poem.util.PagedEnumeration#nextElementOnThisPage()

getPageSize

public int getPageSize()

Specified by:

getPageSize in interface PagedEnumeration<T>

Returns:

the number of elements on a page

See Also:

org.melati.poem.util.PagedEnumeration#getPageSize()

getPages

public Vector<Page> getPages()

Specified by:

getPages in interface PagedEnumeration<T>

Returns:

All Pages