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1   /*
2    *  
3    *  author nambi sankaran
4    *  copyright (C) 2009 nambi sankaran.
5    *
6    *  This program is free software: you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation, either version 3 of the License, or
9    *  (at your option) any later version.
10   *
11   *  This program is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   *  GNU General Public License for more details.
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
18   *
19   */
20  package net.sf.emarket.trade.service;
21  
22  import java.io.Serializable;
23  
24  import net.sf.emarket.order.domain.Order;
25  import net.sf.emarket.trade.domain.MarketDepth;
26  
27  /***
28   * IOrderExecutorService is used by other modules to send orders to the Trading Engine.
29   * The only method that accepts orders is <code>execute()</code>.
30   * <br>
31   * In future we may add other methods, that provides state of the trading engine and ability to control the trading engine. 
32   * @author snambi
33   */
34  public interface IOrderExecutorService extends Serializable {
35  
36  	/***
37  	 * <code>execute()</code> method accepts an order, and processes the asynchronously.
38  	 * This method is the marker line between order management system and trade processing system (trading engine).
39  	 * The trading engine runs completely using background threads.
40  	 * @param order
41  	 */
42  	public void execute( Order order );
43  	
44  	public MarketDepth getMarketDepth(String symbol);
45  
46  }