List<IExecutionYear> executionYears = readAllExecutionYear();
Collection<IExecutionYear> executionYears = readAll(ExecutionYear.class);
    public IExecutionYear readExecutionYearByName(String year) throws ExcepcaoPersistencia {        List<IExecutionYear> executionYears = readAllExecutionYear();                for(IExecutionYear executionYear : executionYears){            if(executionYear.getYear().equals(year))                return executionYear;        }                        return null;    }