package prefuse.visual.expression;
import prefuse.data.expression.ColumnExpression;
import prefuse.data.expression.NotPredicate;
import prefuse.data.expression.Predicate;
import prefuse.visual.VisualItem;
/**
* Expression that indicates if an item's start visible flag is set.
*
* @author <a href="http://jheer.org">jeffrey heer</a>
*/
public class StartVisiblePredicate extends ColumnExpression implements Predicate {
/** Convenience instance for the start visible == true case. */
public static final Predicate TRUE = new StartVisiblePredicate();
/** Convenience instance for the start visible == false case. */
public static final Predicate FALSE = new NotPredicate(TRUE);
/**
* Create a new StartVisiblePredicate.
*/
public StartVisiblePredicate() {
super(VisualItem.STARTVISIBLE);
}
} // end of class StartVisiblePredicate