List<IExecutionYear> executionYears = readAllExecutionYear();
Collection<IExecutionYear> executionYears = readAll(ExecutionYear.class);
    public List readOpenExecutionYears() throws ExcepcaoPersistencia {        List<IExecutionYear> executionYears = readAllExecutionYear();        List executionYearsAux = new ArrayList();                for(IExecutionYear executionYear : executionYears){            if(executionYear.getState().equals(PeriodState.OPEN))                executionYearsAux.add(executionYear);        }                return executionYearsAux;    }