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SOLR-292 - fix MoreLikeThis facet counting 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@554667 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Ryan McKinley 2007-07-09 14:56:53 +00:00
parent f7804a08f8
commit 16ea3fb7e8
1 changed files with 34 additions and 11 deletions
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43
src/java/org/apache/solr/handler/MoreLikeThisHandler.java
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@ -54,6 +54,7 @@ import org.apache.solr.schema.IndexSchema;
import org.apache.solr.schema.SchemaField;
import org.apache.solr.search.DocIterator;
import org.apache.solr.search.DocList;
import org.apache.solr.search.DocListAndSet;
import org.apache.solr.search.QueryParsing;
import org.apache.solr.search.SolrIndexSearcher;
import org.apache.solr.util.SolrPluginUtils;
@ -119,7 +120,7 @@ public class MoreLikeThisHandler extends RequestHandlerBase
int start = params.getInt( SolrParams.START, 0 );
int rows = params.getInt( SolrParams.ROWS, 10 );
DocList mltDocs = null;
DocListAndSet mltDocs = null;
// Find documents MoreLikeThis - either with a reader or a query
//--------------------------------------------------------------------------------
@ -150,7 +151,10 @@ public class MoreLikeThisHandler extends RequestHandlerBase
throw new SolrException( SolrException.ErrorCode.BAD_REQUEST,
"MoreLikeThis requires either a query (?q=) or text to find similar documents." );
}
rsp.add( "response", mltDocs );
if( mltDocs == null ) {
mltDocs = new DocListAndSet(); // avoid NPE
}
rsp.add( "response", mltDocs.docList );
if( interesting != null ) {
@ -172,13 +176,18 @@ public class MoreLikeThisHandler extends RequestHandlerBase
// maybe facet the results
if (params.getBool(FACET,false)) {
SimpleFacets f = new SimpleFacets(searcher, mltDocs, params );
if( mltDocs.docSet == null ) {
rsp.add( "facet_counts", null );
}
else {
SimpleFacets f = new SimpleFacets(searcher, mltDocs.docSet, params );
rsp.add( "facet_counts", f.getFacetCounts() );
}
}
// Copied from StandardRequestHandler... perhaps it should be added to doStandardDebug?
try {
NamedList<Object> dbg = SolrPluginUtils.doStandardDebug(req, q, mlt.mltquery, mltDocs );
NamedList<Object> dbg = SolrPluginUtils.doStandardDebug(req, q, mlt.mltquery, mltDocs.docList );
if (null != dbg) {
if (null != filters) {
dbg.add("filter_queries",req.getParams().getParams(FQ));
@ -221,6 +230,7 @@ public class MoreLikeThisHandler extends RequestHandlerBase
final MoreLikeThis mlt;
final IndexReader reader;
final SchemaField uniqueKeyField;
final boolean needDocSet;
Query mltquery; // expose this for debugging
@ -229,6 +239,7 @@ public class MoreLikeThisHandler extends RequestHandlerBase
this.searcher = searcher;
this.reader = searcher.getReader();
this.uniqueKeyField = searcher.getSchema().getUniqueKeyField();
this.needDocSet = params.getBool(FACET,false);
SolrParams required = params.required();
String[] fields = splitList.split( required.get(MoreLikeThisParams.SIMILARITY_FIELDS) );
@ -251,7 +262,7 @@ public class MoreLikeThisHandler extends RequestHandlerBase
mlt.setBoost( params.getBool(MoreLikeThisParams.BOOST, false ) );
}
public DocList getMoreLikeThis( int id, int start, int rows, List<Query> filters, List<InterestingTerm> terms, int flags ) throws IOException
public DocListAndSet getMoreLikeThis( int id, int start, int rows, List<Query> filters, List<InterestingTerm> terms, int flags ) throws IOException
{
Document doc = reader.document(id);
mltquery = mlt.like(id);
@ -266,16 +277,28 @@ public class MoreLikeThisHandler extends RequestHandlerBase
new TermQuery(new Term(uniqueKeyField.getName(), doc.get(uniqueKeyField.getName()))),
BooleanClause.Occur.MUST_NOT);
return searcher.getDocList(mltQuery, filters, null, start, rows, flags);
DocListAndSet results = new DocListAndSet();
if (this.needDocSet) {
results = searcher.getDocListAndSet(mltQuery, filters, null, start, rows, flags);
} else {
results.docList = searcher.getDocList(mltQuery, filters, null, start, rows, flags);
}
return results;
}
public DocList getMoreLikeThis( Reader reader, int start, int rows, List<Query> filters, List<InterestingTerm> terms, int flags ) throws IOException
public DocListAndSet getMoreLikeThis( Reader reader, int start, int rows, List<Query> filters, List<InterestingTerm> terms, int flags ) throws IOException
{
mltquery = mlt.like(reader);
if( terms != null ) {
fillInteristingTermsFromMLTQuery( mltquery, terms );
}
return searcher.getDocList(mltquery, filters, null, start, rows, flags);
DocListAndSet results = new DocListAndSet();
if (this.needDocSet) {
results = searcher.getDocListAndSet(mltquery, filters, null, start, rows, flags);
} else {
results.docList = searcher.getDocList(mltquery, filters, null, start, rows, flags);
}
return results;
}
public NamedList<DocList> getMoreLikeThese( DocList docs, int rows, int flags ) throws IOException
@ -286,10 +309,10 @@ public class MoreLikeThisHandler extends RequestHandlerBase
while( iterator.hasNext() ) {
int id = iterator.nextDoc();
DocList sim = getMoreLikeThis( id, 0, rows, null, null, flags );
DocListAndSet sim = getMoreLikeThis( id, 0, rows, null, null, flags );
String name = schema.printableUniqueKey( reader.document( id ) );
mlt.add(name, sim);
mlt.add(name, sim.docList);
}
return mlt;
}