org.ucl.xpath
Class RangeResultSequence

java.lang.Object
  org.ucl.xpath.ResultSequence
      org.ucl.xpath.RangeResultSequence

public class RangeResultSequence

extends ResultSequence

A range expression can be used to construct a sequence of consecutive integers.

Constructor Summary

RangeResultSequence(int start, int end)
set the start and end of the range result sequence

Method Summary

void	add(AnyType item) item is an integer to add to the range.
void	clear() clear range
void	concat(ResultSequence rs) remove the tail from the range given.
ResultSequence	create_new() create new result sequence
boolean	empty() asks if the range is empty?
AnyType	first() retrieve the first item
AnyType	get(int i) get item in index i
java.util.ListIterator	iterator() interate through range.
void	release() release
int	size() get the size

Methods inherited from class org.ucl.xpath.ResultSequence

string

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeResultSequence

public RangeResultSequence(int start,
                           int end)

set the start and end of the range result sequence

Parameters:

start - is the integer position of the start of range.

end - is the integer position of the end of range.

Method Detail

add

public void add(AnyType item)

item is an integer to add to the range.

Specified by:

add in class ResultSequence

Parameters:

item - is an integer.

concat

public void concat(ResultSequence rs)

remove the tail from the range given.

Specified by:

concat in class ResultSequence

Parameters:

rs - is the range

iterator

public java.util.ListIterator iterator()

interate through range.

Specified by:

iterator in class ResultSequence

Returns:

tail

get

public AnyType get(int i)

Description copied from class: ResultSequence

get item in index i

Specified by:

get in class ResultSequence

Parameters:

i - is the position.

Returns:

item from range

size

public int size()

Description copied from class: ResultSequence

get the size

Specified by:

size in class ResultSequence

Returns:

size

clear

public void clear()

clear range

Specified by:

clear in class ResultSequence

create_new

public ResultSequence create_new()

create new result sequence

Specified by:

create_new in class ResultSequence

Returns:

null

first

public AnyType first()

Description copied from class: ResultSequence

retrieve the first item

Overrides:

first in class ResultSequence

Returns:

first item in range

empty

public boolean empty()

asks if the range is empty?

Overrides:

empty in class ResultSequence

Returns:

boolean

release

public void release()

release

Overrides:

release in class ResultSequence