/**
* @param filteredDocument Document with field values extracted for selected fields.
* @return More Like This query for the passed document.
*/
public Query like(Map<String, Collection<Object>> filteredDocument) throws IOException {
if (fieldNames == null) {
// gather list of valid fields from lucene
Collection<String> fields = MultiFields.getIndexedFields(ir);
fieldNames = fields.toArray(new String[fields.size()]);
}
return createQuery(retrieveTerms(filteredDocument));
}
/**
* Return a query that will return docs like the passed lucene document ID.
*
* @param docNum the documentID of the lucene doc to generate the 'More Like This" query for.
* @return a query that will return docs like the passed lucene document ID.
*/
public Query like(int docNum) throws IOException {
if (fieldNames == null) {
// gather list of valid fields from lucene
Collection<String> fields = MultiFields.getIndexedFields(ir);
fieldNames = fields.toArray(new String[fields.size()]);
}
return createQuery(retrieveTerms(docNum));
}
/** @param reader IndexReader object created in {@link QryEval}. */
public DocLengthStore(IndexReader reader) throws IOException {
this.reader = reader;
for (String field : MultiFields.getIndexedFields(reader)) {
this.values.put(field, MultiDocValues.getNormValues(reader, field));
}
}