if (this.executionPeriodID != null || !this.executionPeriodID.equals(executionPeriodID)) { this.executionCourseID = null; this.executionCourses = null; } this.executionPeriodID = executionPeriodID; }
getViewState().setAttribute("executionPeriodID", executionPeriodID); }
	public void setExecutionPeriodID(Integer executionPeriodID) {		if (this.executionPeriodID != null || !this.executionPeriodID.equals(executionPeriodID)) {			this.executionCourseID = null;			this.executionCourses = null;		}		this.executionPeriodID = executionPeriodID;	}