How is the CachingWrapperFilter intended to be used in a web environment
where new requests come in to be executed? Each time a search comes in, I
create a filter and then wrap it with a new instance of the
CachingWrapperFilter (to cache searches when requests for the same input
comes in) like so:
TopDocs search(String input) {
Term term = new Term("name", input);
Filter filter = new CachingWrapperFilter(new PrefixFilter(term));
return indexSearcher.search(new MatchAllDocsQuery(), filter, 10, null);
}
So if my understanding is correct, given the javadoc and example in 'Lucene
in Action', this won't actually cache anything because each time a new
request comes in, a new instance of CachingWrapperFilter is being used. I'm
a little confused as to how CachingWrapperFilter is to be used otherwise.
Can anyone help?
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