estraier
Class Result

java.lang.Object
  estraier.Result

public class Result
extends java.lang.Object

Abstraction of result set from database.

Method Summary

int	doc_num() Get the number of documents.
protected void	finalize() Release resources.
int	get_dbidx(int index) Get the index of the container database of a document.
int	get_doc_id(int index) Get the ID number of a document.
int	get_score(int index) Get the score of a document.
int[]	get_shadows(int id) Get an array of ID numbers of eclipsed docuemnts of a document.
java.util.List	hint_words() Get a list of hint words.
int	hint(java.lang.String word) Get the value of a hint word.

Methods inherited from class java.lang.Object

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

Method Detail

doc_num

public int doc_num()

Get the number of documents.

Returns:

the number of documents in the result.

finalize

protected void finalize()

Release resources.

Overrides:

finalize in class java.lang.Object

get_dbidx

public int get_dbidx(int index)

Get the index of the container database of a document.

Parameters:

index - the index of a document.

Returns:

the index of the container database of the document or -1 if the index is out of bounds.

get_doc_id

public int get_doc_id(int index)

Get the ID number of a document.

Parameters:

index - the index of a document.

Returns:

the ID number of the document or -1 if the index is out of bounds.

get_score

public int get_score(int index)

Get the score of a document.

Parameters:

index - the index of a document.

Returns:

the score of the document or -1 if the index is out of bounds.

get_shadows

public int[] get_shadows(int id)

Get an array of ID numbers of eclipsed docuemnts of a document.

Parameters:

id - the ID number of a parent document.

Returns:

an array whose elements expresse the ID numbers and their scores alternately.

hint_words

public java.util.List hint_words()

Get a list of hint words.

Returns:

a list of hint words.

hint

public int hint(java.lang.String word)

Get the value of a hint word.

Parameters:

word - a hint word. An empty string means the number of whole result.

Returns:

the number of documents corresponding the hint word. If the word is in a negative condition, the value is negative.