Package com.easydesk.lucene.util

Class QueryBuilder

java.lang.Object

com.easydesk.lucene.util.QueryBuilder

All Implemented Interfaces:

IndexConstants

public class QueryBuilder
extends Object
implements IndexConstants

QueryInfo 를 Lucene Query 로 변환한다.

이 class 는 thread-safe 하다. (QueryParser 는 호출할 때마다 새로 만든다.)

Author:

조 영 호

Field Summary

Fields inherited from interface com.easydesk.lucene.IndexConstants

AND, ATTACHMENT_ID, ATTACHMENT_PREFIX, ATTACHMENT_TYPE_ID, ATTRIBUTE_ID, ATTRIBUTE_PREFIX, CREATED_DATE, CREATER_NAME, CREATER_NICK_NAME, CREATER_USER_NAME, DATE, DEPEND_ID, DEPEND_TYPE_ID, FLOAT_NUMBER, ITEM_ID, KEY_WORD, MODULE_ID, NUMBER, OR, PARENT_ID, RANGE, TEXT, USER_ID, USER_ITEM_ID, VALUE_ID

Constructor Summary

Constructors

Constructor	Description
QueryBuilder(org.apache.lucene.analysis.Analyzer analyzer)	Creates a new QueryBuilder object.

Method Summary

Modifier and Type	Method	Description
static org.apache.lucene.search.Query	moduleFilter(BitSet moduleFilter)	module filter query 를 만든다.
org.apache.lucene.search.Query	toQuery(QueryInfo info)
org.apache.lucene.search.Query	toQuery(QueryInfo[] info)	여러 QueryInfo 를 각각의 QueryInfo.getType() 으로 결합한다.

Methods inherited from class java.lang.Object

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

Constructor Details

QueryBuilder

public QueryBuilder(org.apache.lucene.analysis.Analyzer analyzer)

Creates a new QueryBuilder object.

Parameters:

analyzer - text field 를 parse 할 analyzer

Method Details

toQuery

public org.apache.lucene.search.Query toQuery(QueryInfo info)
                                       throws org.apache.lucene.queryparser.classic.ParseException

Parameters:

info - query 정보

Returns:

Query, 조건이 없으면 아무것도 찾지 않는 query

Throws:

org.apache.lucene.queryparser.classic.ParseException - query string 오류

toQuery

public org.apache.lucene.search.Query toQuery(QueryInfo[] info)
                                       throws org.apache.lucene.queryparser.classic.ParseException

여러 QueryInfo 를 각각의 QueryInfo.getType() 으로 결합한다.

Parameters:

info - query 정보 배열

Returns:

Query

Throws:

org.apache.lucene.queryparser.classic.ParseException - query string 오류

moduleFilter

public static org.apache.lucene.search.Query moduleFilter(BitSet moduleFilter)

module filter query 를 만든다.

Parameters:

moduleFilter - 허용된 module id

Returns:

filter query