yacy_search_server/source/net/yacy/document/geolocalization/Localization.java

/**
 *  Localization.java
 *  Copyright 2010 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
 *  first published 16.05.2010 on http://yacy.net
 *  
 *  This file is part of YaCy Content Integration
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program in the file COPYING.LESSER.
 *  If not, see <http://www.gnu.org/licenses/>.
 */


package net.yacy.document.geolocalization;

import java.util.Set;

/**
 * localization interface
 * @author Michael Peter Christen
 *
 */
public interface Localization {
   
    /**
     * find a location by name
     * @param anyname - a name of a location
     * @param locationexact - if true, then only exact matched with the location are returned. if false also partially matching names
     * @return a set of locations
     */
    public Set<Location> find(String anyname, boolean locationexact);

    /**
     * recommend a set of names according to a given name
     * @param s a possibly partially matching name
     * @return a set of names that match with the given name using the local dictionary of names
     */
    public Set<String> recommend(String s);
    
    /**
     * return an nickname of the localization service
     * @return the nickname
     */
    public String nickname();
    
    /**
     * hashCode that must be used to distinguish localization services in hash sets
     * @return the hash code, may be derived from the nickname
     */
    public int hashCode();
    
    /**
     * compare localization services; to be used for hash sets with localization services
     * @param other
     * @return true if both objects are localization services and have the same nickname
     */
    public boolean equals(Object other);
}