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/*
* 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.tuscany.sca.domain.search.impl;
import java.util.LinkedList;
import org.apache.lucene.document.Document;
import org.apache.tuscany.sca.domain.search.Result;
import org.apache.tuscany.sca.domain.search.ResultFactory;
/**
*
* @version $Rev$ $Date$
*/
public class PriorityFieldListResultFactory extends LinkedList<String> implements ResultFactory<Result> {
private static final long serialVersionUID = 6806221945324235828L;
public PriorityFieldListResultFactory() {
// empty constructor
}
public Result createResult(Document document) {
for (String field : this) {
String value = document.get(field);
if (value != null) {
return new ResultImpl(field, value);
}
}
return null;
}
public Result createResult(String field, String value) {
return new ResultImpl(field, value);
}
}
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