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Annotation of Examples/EnterpriseObjects/Validation/Department.m, revision 1.1

1.1     ! root        1: // Department.m
        !             2: //
        !             3: // Created on Wed Feb 15 09:50:50 GMT-0800 1995 by NeXT EOModeler.app Version 77
        !             4: 
        !             5: #import "Department.h"
        !             6: #import "Employee.h"
        !             7: 
        !             8: @implementation Department
        !             9: 
        !            10: - (Employee *)lowestPaidEmployee
        !            11:     // return the lowest paid employee.  We might want to do this via a query too
        !            12: {
        !            13:     // the server rather than by traversing the objects here...
        !            14:     NSEnumerator *emps = [toEmployees objectEnumerator];
        !            15:     Employee *emp, *lowestEmp = nil;
        !            16:     while (emp = [emps nextObject]) {
        !            17:         if (!lowestEmp || ([emp salary] < [lowestEmp salary]))
        !            18:             lowestEmp = emp;
        !            19:     }
        !            20:     return lowestEmp;
        !            21: }
        !            22: 
        !            23: - (NSString *)validateEmployee:(Employee *)emp
        !            24: {
        !            25:     // Lets say no employee can make more than 10 times the lowest paid
        !            26:     // employee in his or her department
        !            27:     Employee *lowest = [self lowestPaidEmployee];
        !            28:     double limit = [lowest salary] * 10.0;
        !            29:     
        !            30:     if ([emp salary] > limit)
        !            31:         return [NSString stringWithFormat:@"Salary exceeds departmental limit of %.2f", limit];
        !            32:     return nil;
        !            33: }
        !            34: 
        !            35: - (void)dealloc
        !            36: {
        !            37:     [departmentName autorelease];
        !            38:     [toEmployees autorelease];
        !            39:     [super dealloc];
        !            40: }
        !            41: 
        !            42: @end

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