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Java Source Code / Java Documentation » Search Engine » apache solr 1.2.0 » org.apache.solr.search

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.apache.solr.search .QueryUtils

QueryUtils
public class QueryUtils (Code)
	author: yonik version: $Id: QueryUtils.java 542653 2007-05-29 21:11:35Z yonik $

Method Summary
static Query	fixNegativeQuery(Query q) Fixes a negative query by adding a MatchAllDocs query clause.
static Query	getAbs(Query q) Returns the original query if it was already a positive query, otherwise return the negative of the query (i.e., a positive query).
static boolean	isNegative(Query q)
static Query	makeQueryable(Query q) Makes negative queries suitable for querying by lucene.

Method Detail

fixNegativeQuery
static Query fixNegativeQuery(Query q)(Code)
	Fixes a negative query by adding a MatchAllDocs query clause. The query passed in must be a negative query.

getAbs

static Query getAbs(Query q)(Code)

Returns the original query if it was already a positive query, otherwise return the negative of the query (i.e., a positive query).

Example: both id:10 and id:-10 will return id:10

The caller can tell the sign of the original by a reference comparison between the original and returned query.
Parameters:
q -

isNegative
static boolean isNegative(Query q)(Code)
	return true if this query has no positive components

makeQueryable
static Query makeQueryable(Query q)(Code)
	Makes negative queries suitable for querying by lucene.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
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public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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