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filled in calculate()

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git-svn-id: svn://anubis/gvsu@445 45c1a28c-8058-47b2-ae61-ca45b979098e
This commit is contained in:
josh 2009-10-05 02:25:50 +00:00
parent 9b5a16a6b9
commit edfc5a9b31
1 changed files with 35 additions and 7 deletions
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42
cs623/proj1/RetirementCalculatorModel.java
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@ -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;
}
}