Hi all,
I am currently using Lucene 1.4.2. Since my search documents are huge, I divide
the search index into different index directory and make use of the
ParallelMultiSearcher to perform the search.
Currently, I am working on the highlight feature using Lucene Sandbox
Highlighter. One of the requirements is to convert the Query into the primitive
form. I invoked the ParallelMultiSearcher.rewrite(Query). However, I got the
exception, UnsupportedOperationException.
I start studying the source code. I discover that the ParallelMultiSearcher
calls Query.combine() method to combine multiple primitive query into a single
one. By looking at the Query.java, the method hasn't been implemented as you
see below:
/** Expert: called when re-writing queries under MultiSearcher.
*
* <p>Only implemented by derived queries, with no
* [EMAIL PROTECTED] #createWeight(Searcher)} implementatation.
*/
public Query combine(Query[] queries) {
throw new UnsupportedOperationException();
}
Does anyone know any alternative to rewrite the query if I have multiple index
directories?
Thanks,
Terence
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