X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java deleted file mode 100644 index 0c78c64..0000000 --- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/QueryWrapperFilter.java +++ /dev/null @@ -1,74 +0,0 @@ -package org.apache.lucene.search; - -/** - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -import java.io.IOException; - - -import org.apache.lucene.index.IndexReader; - -/** - * Constrains search results to only match those which also match a provided - * query. - * - *

This could be used, for example, with a {@link TermRangeQuery} on a suitably - * formatted date field to implement date filtering. One could re-use a single - * QueryFilter that matches, e.g., only documents modified within the last - * week. The QueryFilter and TermRangeQuery would only need to be reconstructed - * once per day. - */ -public class QueryWrapperFilter extends Filter { - private Query query; - - /** Constructs a filter which only matches documents matching - * query. - */ - public QueryWrapperFilter(Query query) { - this.query = query; - } - - @Override - public DocIdSet getDocIdSet(final IndexReader reader) throws IOException { - final Weight weight = new IndexSearcher(reader).createNormalizedWeight(query); - return new DocIdSet() { - @Override - public DocIdSetIterator iterator() throws IOException { - return weight.scorer(reader, true, false); - } - @Override - public boolean isCacheable() { return false; } - }; - } - - @Override - public String toString() { - return "QueryWrapperFilter(" + query + ")"; - } - - @Override - public boolean equals(Object o) { - if (!(o instanceof QueryWrapperFilter)) - return false; - return this.query.equals(((QueryWrapperFilter)o).query); - } - - @Override - public int hashCode() { - return query.hashCode() ^ 0x923F64B9; - } -}