final Attends attend = readAttendByExecutionCourse(executionCourse); if (attend != null) { checkIfHasEnrolmentFor(attend); checkIfHasShiftsFor(executionCourse); attend.delete(); }
final Attends attend = readAttendByExecutionCourse(executionCourse); if (attend != null) { checkIfHasEnrolmentFor(attend); checkIfHasShiftsFor(executionCourse); attend.delete();
	public void removeAttendFor(final ExecutionCourse executionCourse) {		final Attends attend = readAttendByExecutionCourse(executionCourse);		if (attend != null) {			checkIfHasEnrolmentFor(attend);			checkIfHasShiftsFor(executionCourse);			attend.delete();		}	}