infoExecutionCourse.setNumberOfAttendingStudents(new Integer(executionCourse .getAttendingStudents() == null ? 0 : executionCourse.getAttendingStudents().size()));
infoExecutionCourse.setNumberOfAttendingStudents(executionCourse.getAttendsCount());
    private static InfoExecutionCourse copy(IExecutionCourse executionCourse) {        InfoExecutionCourse infoExecutionCourse = new InfoExecutionCourse();        InfoExecutionPeriod infoExecutionPeriod = (InfoExecutionPeriod) Cloner.get(executionCourse                .getExecutionPeriod());        if (infoExecutionPeriod != null) {            infoExecutionCourse.setInfoExecutionPeriod(infoExecutionPeriod);        }        copyObjectProperties(infoExecutionCourse, executionCourse);        infoExecutionCourse.setNumberOfAttendingStudents(new Integer(executionCourse                .getAttendingStudents() == null ? 0 : executionCourse.getAttendingStudents().size()));        return infoExecutionCourse;    }