From edfc5a9b314a6afdaf30a6109136ffc2d9214cd8 Mon Sep 17 00:00:00 2001
From: josh <josh@45c1a28c-8058-47b2-ae61-ca45b979098e>
Date: Mon, 5 Oct 2009 02:25:50 +0000
Subject: [PATCH] filled in calculate()

git-svn-id: svn://anubis/gvsu@445 45c1a28c-8058-47b2-ae61-ca45b979098e
---
 cs623/proj1/RetirementCalculatorModel.java | 42 ++++++++++++++++++----
 1 file changed, 35 insertions(+), 7 deletions(-)

diff --git a/cs623/proj1/RetirementCalculatorModel.java b/cs623/proj1/RetirementCalculatorModel.java
index 027180d..3efba33 100644
--- a/cs623/proj1/RetirementCalculatorModel.java
+++ b/cs623/proj1/RetirementCalculatorModel.java
@@ -42,6 +42,25 @@ public class RetirementCalculatorModel
     public void calculate()
     {
         setField("social security", calculateSocialSecurity());
+        setField("amount to make up",
+                getField("income wanted") -
+                getField("social security") -
+                getField("employer pension") -
+                getField("part time income") -
+                getField("other income"));
+        setField("amount to save",
+                getField("amount to make up") * calculateMakeUpFactor());
+        setField("early retirement penalty",
+                getField("social security") * calculateEarlyRetirementFactor());
+        setField("estimated savings",
+                getField("savings") * calculateSavingsFactor());
+        setField("total additional savings needed",
+                getField("amount to save") +
+                getField("early retirement penalty") -
+                getField("estimated savings"));
+        setField("annual savings needed",
+                getField("total additional savings needed") *
+                calculateTotalSavingsFactor());
     }
 
     private double calculateMakeUpFactor()
@@ -71,7 +90,7 @@ public class RetirementCalculatorModel
         return makeup_factors[retire_age_index * 6 + life_expectancy_index];
     }
 
-    private double calculateRetirementFactor()
+    private double calculateEarlyRetirementFactor()
     {
         int retire_age_index = (int) getField("retirement age");
         if      (retire_age_index == 55)        return 8.8;
@@ -92,10 +111,23 @@ public class RetirementCalculatorModel
 
     private double calculateSavingsFactor()
     {
-        return 0.0;
+        int savings_factor_index = calculateFiveYearsToRetirement() - 2;
+        double savings_factors[] = {
+            1.3, 1.6, 1.8, 2.1, 2.4, 2.8, 3.3
+        };
+        return savings_factors[savings_factor_index];
     }
     
     private double calculateTotalSavingsFactor()
+    {
+        int total_savings_factor_index = calculateFiveYearsToRetirement() - 2;
+        double total_savings_factors[] = {
+            0.085, 0.052, 0.036, 0.027, 0.020, 0.016, 0.013
+        };
+        return total_savings_factors[total_savings_factor_index];
+    }
+
+    private int calculateFiveYearsToRetirement()
     {
         double retire_age = getField("retirement age");
         double current_age = getField("age");
@@ -106,10 +138,6 @@ public class RetirementCalculatorModel
             five_years_to_retirement = 2;
         if (five_years_to_retirement > 8)
             five_years_to_retirement = 8;
-        int total_savings_factor_index = five_years_to_retirement - 2;
-        double total_savings_factors[] = {
-            0.085, 0.052, 0.036, 0.027, 0.020, 0.016, 0.013
-        };
-        return total_savings_factors[total_savings_factor_index];
+        return five_years_to_retirement;
     }
 }