package org.apache.lucene.xmlparser.builders;
import org.apache.lucene.search.ConstantScoreQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.xmlparser.DOMUtils;
import org.apache.lucene.xmlparser.FilterBuilderFactory;
import org.apache.lucene.xmlparser.ParserException;
import org.apache.lucene.xmlparser.QueryBuilder;
import org.w3c.dom.Element;
public class ConstantScoreQueryBuilder implements QueryBuilder
{
private FilterBuilderFactory filterFactory;
public ConstantScoreQueryBuilder(FilterBuilderFactory filterFactory)
{
this.filterFactory=filterFactory;
}
public Query getQuery(Element e) throws ParserException
{
Element filterElem=DOMUtils.getFirstChildOrFail(e);
Query q=new ConstantScoreQuery(filterFactory.getFilter(filterElem));
q.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
return q;
}
}