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R3600/modules/miscutil/lib/solrutils/org/invenio_software/solr/InvenioQueryComponent.java
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InvenioQueryComponent.java
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/*
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*/
package org.invenio_software.solr;
import java.io.IOException;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.Query;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.apache.solr.handler.component.QueryComponent;
import org.apache.solr.handler.component.ResponseBuilder;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.search.SolrIndexSearcher;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.core.SolrResourceLoader;
//import org.apache.solr.request.SolrQueryResponse;
import org.apache.solr.response.SolrQueryResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author jluker
*/
public class InvenioQueryComponent extends QueryComponent {
public static final Logger log = LoggerFactory.getLogger(SolrResourceLoader.class);
/**
* Actually run the query
*/
@Override
public void process(ResponseBuilder rb) throws IOException
{
SolrQueryRequest req = rb.req;
SolrQueryResponse rsp = rb.rsp;
SolrIndexSearcher searcher = req.getSearcher();
IndexReader reader = searcher.getReader();
SolrParams params = req.getParams();
ModifiableSolrParams modParams = new ModifiableSolrParams(params);
modParams.set("wt", "bitset_stream");
req.setParams(modParams);
//JIdisable as it produces:
//May 20, 2011 5:48:04 PM org.apache.solr.common.SolrException log
//SEVERE: java.lang.NoSuchFieldError: rsp
// at org.ads.solr.InvenioQueryComponent.process(InvenioQueryComponent.java:48)
// log.info("wt: " + req.getParams().get("wt"));
BitSetFieldCollector bsfc = new BitSetFieldCollector("id");
bsfc.setResponseFieldName("bitset");
FieldCollector fc = new FieldCollector(bsfc);
SolrIndexSearcher.QueryCommand cmd = rb.getQueryCommand();
Query query = cmd.getQuery();
searcher.search(query, fc);
log.info("Adding bitset to response");
fc.addValuesToResponse(rsp);
}
}
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