com.atlassian.jira.issue.search.parameters.lucene.sort

Class SingleValueMatchHandler

java.lang.Object

com.atlassian.jira.issue.search.parameters.lucene.sort.SingleValueMatchHandler

All Implemented Interfaces:

MatchHandler

@ExperimentalApi
public class SingleValueMatchHandler
extends Object
implements MatchHandler

A match handler that assumes all values it will only ever see one value per document. This allows it to optimise the storage somewhat by avoiding the use of more complicated data structures to contain the values.

Since:

v5.1

Constructor Summary

Constructors

Constructor and Description
SingleValueMatchHandler(int maxdoc)

Method Summary

Modifier and Type	Method and Description
List<String>[]	getResults() Get the results from the match handler.
void	handleMatchedDocument(int doc, String termValue) Invoked by JiraLuceneFieldFinder.getMatches(org.apache.lucene.index.IndexReader, String, MatchHandler) for each field value for each document.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleValueMatchHandler

public SingleValueMatchHandler(int maxdoc)

Method Detail

handleMatchedDocument

public void handleMatchedDocument(int doc,
                                  String termValue)

Description copied from interface: MatchHandler

Invoked by JiraLuceneFieldFinder.getMatches(org.apache.lucene.index.IndexReader, String, MatchHandler) for each field value for each document. The calls will be made in order of increasing term values, with the document identifiers supplied in an arbitrary order.

Specified by:

handleMatchedDocument in interface MatchHandler

Parameters:

doc - the document identifier for the document that contains the term. In JIRA, this indentifies a particular issue

termValue - the value assigned to the term. In JIRA, this is the value assigned to the field.

getResults

public List<String>[] getResults()

Get the results from the match handler. Every element is guaranteed to be either null (meaning that document had no value for the field) or an immutable List containing exactly one value (Collections.singletonList(Object)).

Returns:

the resulting matches