persists session "set"

[cometta]

is this the correct way to persists session?

.page

<property name="selectedLocales" persist="session" initial-value="new
java.util.HashSet()"/>


.java

public abstract Set getSelectedLocales();
public abstract void setSelectedLocales(Set set);

public void setCheckboxSelected(boolean bSelected)
    {
       TheLocale objLocale = getCurrentLocale();
        if (bSelected)
            getSelectedLocales().add(objLocale);
        else getSelectedLocales().remove(objLocale);
        
        
    
    }

    


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