/**
* 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.
*/
package org.apache.camel.component.lucene;
import java.io.File;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.impl.DefaultProducer;
import org.apache.camel.processor.lucene.support.Hits;
import org.apache.lucene.analysis.Analyzer;
public class LuceneQueryProducer extends DefaultProducer {
LuceneConfiguration config;
LuceneSearcher searcher;
Analyzer analyzer;
File indexDirectory;
int maxNumberOfHits;
public LuceneQueryProducer(Endpoint endpoint, LuceneConfiguration config) throws Exception {
super(endpoint);
this.config = config;
indexDirectory = config.getIndexDirectory();
analyzer = config.getAnalyzer();
maxNumberOfHits = config.getMaxHits();
}
public void start() throws Exception {
searcher = new LuceneSearcher();
super.doStart();
}
public void stop() throws Exception {
searcher.close();
super.doStop();
}
public void process(Exchange exchange) throws Exception {
Hits hits;
String phrase = exchange.getIn().getHeader("QUERY", String.class);
if (phrase != null) {
searcher.open(indexDirectory, analyzer);
hits = searcher.search(phrase, maxNumberOfHits, config.getLuceneVersion());
} else {
throw new IllegalArgumentException("SearchPhrase for LucenePhraseQuerySearcher not set. Set the Header value: QUERY");
}
exchange.getIn().setBody(hits);
}
public LuceneConfiguration getConfig() {
return config;
}
public void setConfig(LuceneConfiguration config) {
this.config = config;
}
}