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Annotation of Examples/EnterpriseObjects/Validation/Department.m, revision 1.1.1.1

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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