public StudentInquiriesTeachingResult getStudentInquiriesTeachingResult( final ExecutionDegree executionDegree, final ShiftType shiftType) { for (StudentInquiriesTeachingResult result : getStudentInquiriesTeachingResults()) { if (result.getExecutionDegree() == executionDegree && result.getShiftType() == shiftType) { return result; } } return null; }