org.apache.lucene.queryparser.xml.builders

Class UserInputQueryBuilder

java.lang.Object

org.apache.lucene.queryparser.xml.builders.UserInputQueryBuilder

All Implemented Interfaces:

QueryBuilder

public class UserInputQueryBuilder
extends java.lang.Object
implements QueryBuilder

UserInputQueryBuilder uses 1 of 2 strategies for thread-safe parsing: 1) Synchronizing access to "parse" calls on a previously supplied QueryParser or.. 2) creating a new QueryParser object for each parse request

Field Summary

Fields

Modifier and Type	Field and Description
private Analyzer	analyzer
private java.lang.String	defaultField
private QueryParser	unSafeParser

Constructor Summary

Constructors

Constructor and Description
UserInputQueryBuilder(QueryParser parser) This constructor has the disadvantage of not being able to change choice of default field name
UserInputQueryBuilder(java.lang.String defaultField, Analyzer analyzer)

Method Summary

Modifier and Type	Method and Description
protected QueryParser	createQueryParser(java.lang.String fieldName, Analyzer analyzer) Method to create a QueryParser - designed to be overridden
Query	getQuery(org.w3c.dom.Element e)

Methods inherited from class java.lang.Object

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

Field Detail

unSafeParser

private QueryParser unSafeParser

analyzer

private Analyzer analyzer

defaultField

private java.lang.String defaultField

Constructor Detail

UserInputQueryBuilder

public UserInputQueryBuilder(QueryParser parser)

This constructor has the disadvantage of not being able to change choice of default field name

Parameters:

parser - thread un-safe query parser

UserInputQueryBuilder

public UserInputQueryBuilder(java.lang.String defaultField,
                             Analyzer analyzer)

Method Detail

getQuery

public Query getQuery(org.w3c.dom.Element e)
               throws ParserException

Specified by:

getQuery in interface QueryBuilder

Throws:

ParserException

createQueryParser

protected QueryParser createQueryParser(java.lang.String fieldName,
                                        Analyzer analyzer)

Method to create a QueryParser - designed to be overridden

Returns:

QueryParser