1   /**
2    * Investor, the open-source investment library
3    *
4    * (C) Copyright 2008, by individual contributors as indicated by the @author tag.
5    *
6    * This library is free software; you can redistribute it and/or modify it
7    * under the terms of the GNU Lesser General Public License as
8    * published by the Free Software Foundation; either version 2.1 of
9    * the License, or (at your option) any later version.
10   *
11   * This software 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 GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this software; if not, write to the Free
18   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
20   */
21  package com.nickokiss.investor.fin.element;
22  
23  import java.math.BigDecimal;
24  
25  import com.nickokiss.investor.calc.MathCalc;
26  import com.nickokiss.investor.fin.env.Env;
27  
28  /**
29   * 
30   * @author Tomasz Koscinski <tomasz.koscinski@nickokiss.com>
31   */
32  public class Annuity implements FinElement {
33  
34    private MathCalc mathCalc = new MathCalc();
35    
36    private BigDecimal annualAmount;
37    private BigDecimal lenght;
38    
39    public BigDecimal getAnnualAmount() {
40      return annualAmount;
41    }
42  
43    public void setAnnualAmount(BigDecimal annualAmount) {
44      this.annualAmount = annualAmount;
45    }
46  
47    public BigDecimal getLenght() {
48      return lenght;
49    }
50  
51    public void setLenght(BigDecimal lenght) {
52      this.lenght = lenght;
53    }
54  
55    public BigDecimal getValue(Env env, BigDecimal time) {
56      return getCashFlowStream().getValue(env, time);
57    }
58  
59    public void setAnnualAmount(String string) {
60      setAnnualAmount(new BigDecimal(string));
61    }
62  
63    public void setLenght(String string) {
64      setLenght(new BigDecimal(string));
65    }
66  
67    public CashFlowStream getCashFlowStream() {
68      CashFlowStream cashFlowStream = new CashFlowStream();
69      cashFlowStream.addElements(annualAmount, lenght.intValue(), mathCalc.ONE);
70      return cashFlowStream;
71    }
72  
73  }