swishej
Class ResultList

java.lang.Object
  |
  +--swishej.ResultList

class ResultList

extends java.lang.Object

Representation of search result lists

See Also:

Search

Field Summary

(package private) Result	first First result in list.
(package private) Result	last Last result in list.

Constructor Summary

(package private)

ResultList() Create new empty result list.

Method Summary

(package private) void	add(int filenum, int rank, int structure) Add result described by three integer numbers to result list
(package private) static ResultList	andresultlists(ResultList r1, ResultList r2, int andLevel) AND two result lists by traversing over all elements and accumulating rank information for elements which occur in both lists.
(package private) boolean	empty() Test result list being empty.
(package private) static void	mergeResult(int f, int r, int s, java.util.Hashtable list) Merge result described by three integer numbers into a local result list
(package private) static ResultList	notresultlist(ResultList rl, int maxfilenum) NOT a result list and return a new result list.
(package private) static ResultList	orresultlists(ResultList r1, ResultList r2) OR two result lists by merging all results and forming a new result list.

Methods inherited from class java.lang.Object

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

Field Detail

first

Result first

First result in list.

last

Result last

Last result in list.

Constructor Detail

ResultList

ResultList()

Create new empty result list.

Method Detail

mergeResult

static void mergeResult(int f,
                        int r,
                        int s,
                        java.util.Hashtable list)

Merge result described by three integer numbers into a local result list

Parameters:

f - file number (short)

r - rank for sorting

s - structure tag

list - table which holds the merged results

add

void add(int filenum,
         int rank,
         int structure)

Add result described by three integer numbers to result list

Parameters:

f - file number (short)

r - rank for sorting

s - structure tag

empty

boolean empty()

Test result list being empty.

Returns:

true if the result list is empty, false otherwise

orresultlists

static ResultList orresultlists(ResultList r1,
                                ResultList r2)

OR two result lists by merging all results and forming a new result list.

Parameters:

r1 - first result list or null

r2 - second result list or null

Returns:

new ResultList

andresultlists

static ResultList andresultlists(ResultList r1,
                                 ResultList r2,
                                 int andLevel)

AND two result lists by traversing over all elements and accumulating rank information for elements which occur in both lists. A new result list is produced.

Parameters:

r1 - first result list or null

r2 - second result list or null

Returns:

new ResultList

notresultlist

static ResultList notresultlist(ResultList rl,
                                int maxfilenum)

NOT a result list and return a new result list.

Parameters:

rl - result list to be NOTed

maxfilenum - highest short file number

Returns:

new ResultList