/*
 * Copyright (c) 2017 Data and Web Science Group, University of Mannheim, Germany (http://dws.informatik.uni-mannheim.de/)
 *
 * 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 de.uni_mannheim.informatik.dws.winter.index;

import java.util.Collection;
import java.util.List;

public interface IIndexSearcher<TDocument> {

	/**
	 * Searches for a single term
	 * @param query	
	 * 				the query
	 * @return The found documents
	 */
	List<TDocument> search(String query);
	
	/**
	 * Searches for multiple terms
	 * @param query
	 * 				the query
	 * @return The found documents
	 */
	List<TDocument> search(Collection<String> query);
	
	/**
	 * Looks up a specific term (no normalisation is done)
	 * @param query
	 * 				the query
	 * @return The found documents
	 */
	List<TDocument> lookup(String query);
}
