Weather.java

/*
 *  Weather API.
 *  Copyright (C) 2010  Denis Nelubin aka Gelin
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  http://gelin.ru
 *  mailto:den@gelin.ru
 */

package ru.gelin.android.weather.v_0_2;

import java.util.Date;
import java.util.List;

/**
 *  Interface which contains the weather query results.
 */
public interface Weather {
    
    /**
     *  Returns the weather location (original, passed to {@link WeatherSource#query},
     *  or modified by the weather source implementation)
     */
    Location getLocation();
    
    /**
     *  Returns the current weather timestamp.
     */
    Date getTime();
    
    /**
     *  Returns default unit system (SI or US).
     */
    UnitSystem getUnitSystem();
    
    /**
     *  Returns weather conditions starting from the current weather 
     *  and following some forecasts.
     */
    List<WeatherCondition> getConditions();
    
    /**
     *  Returns true if this weather doesn't contains any actual values.
     */
    boolean isEmpty();

}