public class QueryResultSet extends CollectionResultSet
Modifier and Type | Field and Description |
---|---|
protected String[][] |
metadata
The structure holding the metadata.
|
protected gnu.trove.TObjectIntHashMap<String> |
metaMap
The structure that holds the metadata about the results.
|
arraysInitialised, docids, exactResultSize, lock, occurrences, resultSize, scores, statusCode
Constructor and Description |
---|
QueryResultSet(int numberOfDocuments)
A default constructor for the result set with a given
number of documents.
|
QueryResultSet(int[] docids,
double[] ds,
short[] occurrences) |
Modifier and Type | Method and Description |
---|---|
void |
addMetaItem(String name,
int index,
String value)
Adds a metadata value for a given document
|
void |
addMetaItems(String name,
String[] values)
Adds the metadata values for all the documents in the result set.
|
protected int |
addMetaType(String name)
Get the metadata index for the given name
|
String |
getMetaItem(String name,
int index)
Gets a metadata value for a given document.
|
String[] |
getMetaItems(String name)
Gets the metadata information for all documents.
|
String[] |
getMetaKeys()
Returns the names of the meta keys which this resultset has
|
ResultSet |
getResultSet(int[] positions)
Extracts a subset of the resultset given by the list parameter,
which contains a list of positions in the resultset that
should be saved.
|
ResultSet |
getResultSet(int startPosition,
int length)
Crops the existing result file and extracts a subset
from the given starting point to the ending point.
|
boolean |
hasMetaItems(String name)
Returns true if the resultset already has a set of metaitems with
the specified name.
|
void |
initialise()
Initialises the arrays prior of retrieval.
|
protected QueryResultSet |
makeNewResultSet(int length) |
getDocids, getExactResultSize, getLock, getOccurrences, getResultSize, getScores, getStatusCode, initialise, setExactResultSize, setResultSize, setStatusCode, sort, sort
protected gnu.trove.TObjectIntHashMap<String> metaMap
protected String[][] metadata
public QueryResultSet(int numberOfDocuments)
numberOfDocuments
- the number of documents contained in the result set.public QueryResultSet(int[] docids, double[] ds, short[] occurrences)
public void initialise()
initialise
in interface ResultSet
initialise
in class CollectionResultSet
public void addMetaItem(String name, int index, String value)
addMetaItem
in interface ResultSet
addMetaItem
in class CollectionResultSet
name
- the name of the metadata type. For example, it can be url for adding the URLs of documents.index
- the position in the resultset array of the given documentvalue
- the metadata value.public void addMetaItems(String name, String[] values)
addMetaItems
in interface ResultSet
addMetaItems
in class CollectionResultSet
name
- the name of the metadata type. For example, it can be url for adding the URLs of documents.values
- the metadata values.public String getMetaItem(String name, int index)
getMetaItem
in interface ResultSet
getMetaItem
in class CollectionResultSet
name
- the name of the metadata type.index
- the postition in the arraypublic String[] getMetaItems(String name)
getMetaItems
in interface ResultSet
getMetaItems
in class CollectionResultSet
name
- the name of the metadata type.public boolean hasMetaItems(String name)
CollectionResultSet
hasMetaItems
in interface ResultSet
hasMetaItems
in class CollectionResultSet
name
- of the desired metaitem setpublic String[] getMetaKeys()
getMetaKeys
in interface ResultSet
getMetaKeys
in class CollectionResultSet
protected int addMetaType(String name)
name
- The name of the metadata type to add onprotected QueryResultSet makeNewResultSet(int length)
public ResultSet getResultSet(int startPosition, int length)
getResultSet
in interface ResultSet
getResultSet
in class CollectionResultSet
startPosition
- the beginning of the subset.length
- the number of entries to get.public ResultSet getResultSet(int[] positions)
getResultSet
in interface ResultSet
getResultSet
in class CollectionResultSet
positions
- int[] the list of elements in the current
list that should be kept.Terrier 4.0. Copyright © 2004-2014 University of Glasgow