/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.model;
import java.util.Iterator;
import java.util.List;
/**
* A place where a <code>Locatable</code> can be put.
*
* @see Locatable
*/
public interface Location {
/**
* Returns the Tile where this Location is located. Or null if no Tile
* applies.
*
* @return The Tile where this Location is located. Or null if no Tile
* applies.
*/
public Tile getTile();
/**
* Returns the name of this location.
*
* @return The name of this location.
*/
public StringTemplate getLocationName();
/**
* Returns the name of this location for a particular player.
*
* @param player The <code>Player</code> to return the name for.
* @return The name of this location.
*/
public StringTemplate getLocationNameFor(Player player);
/**
* Adds a <code>Locatable</code> to this Location.
*
* @param locatable
* The <code>Locatable</code> to add to this Location.
*/
public boolean add(Locatable locatable);
/**
* Removes a <code>Locatable</code> from this Location.
*
* @param locatable
* The <code>Locatable</code> to remove from this Location.
*/
public boolean remove(Locatable locatable);
/**
* Checks if this <code>Location</code> contains the specified
* <code>Locatable</code>.
*
* @param locatable
* The <code>Locatable</code> to test the presence of.
* @return
* <ul>
* <li><i>true</i> if the specified <code>Locatable</code> is
* on this <code>Location</code> and
* <li><i>false</i> otherwise.
* </ul>
*/
public boolean contains(Locatable locatable);
/**
* Checks whether or not the specified locatable may be added to this
* <code>Location</code>.
*
* @param locatable
* The <code>Locatable</code> to add.
* @return The result.
*/
public boolean canAdd(Locatable locatable);
/**
* Returns the amount of Units at this Location.
*
* @return The amount of Units at this Location.
*/
public int getUnitCount();
/**
* Returns a list containing all the Units present at this Location.
*
* @return a list containing the Units present at this location.
*/
public List<Unit> getUnitList();
/**
* Gets a <code>Iterator</code> of every <code>Unit</code> directly
* located on this <code>Location</code>.
*
* @return The <code>Iterator</code>.
*/
public Iterator<Unit> getUnitIterator();
/**
* Gets the ID of this <code>Location</code>.
*
* @return The ID.
* @see FreeColGameObject#getId
*/
public String getId();
/**
* Gets the <code>GoodsContainer</code> this <code>Location</code> use
* for storing it's goods.
*
* @return The <code>GoodsContainer</code> or <code>null</code> if the
* <code>Location</code> cannot store any goods.
*/
public GoodsContainer getGoodsContainer();
/**
* Returns the <code>Settlement</code> this <code>Location</code> is
* located in.
*
* @return The current <code>Settlement</code> or null if none.
*/
public Settlement getSettlement();
/**
* Returns the <code>Colony</code> this <code>Location</code> is
* located in.
*
* @return The current <code>Colony</code> or null if none.
*/
public Colony getColony();
}