/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed 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.
*/
package info.jtrac.lucene;
import org.apache.lucene.document.Document;
import org.springmodules.lucene.search.core.HitExtractor;
/**
* Uses Spring Modules Lucene support
* converts a search "hit" into an Item id, which we
* can later use to load the actual object
*/
public class ItemIdHitExtractor implements HitExtractor {
public Long mapHit(int i, Document document, float f) {
String type = document.get("type");
if (type == null) {
return null;
}
if (type.equals("item")) {
String id = document.get("id");
return new Long(id);
} else if (type.equals("history")) {
String itemId = document.get("itemId");
return new Long(itemId);
} else {
throw new RuntimeException("Unexpected lucene search result: " + document);
}
}
}