Package prefuse.data.expression

Examples of prefuse.data.expression.Predicate

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     * @param color the color value
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, int color) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        add(p, color);     
    }
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     * @param f the delegate ColorAction to use
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, ColorAction f) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        super.add(p, f);
    }
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     * @param stroke the BasicStroke
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, BasicStroke stroke) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        add(p, stroke);      
    }
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     * @param f the delegate StrokeAction to use
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, StrokeAction f) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        super.add(p, f);
    }
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     * @param shape the shape value
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, int shape) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        add(p, shape);      
    }
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     * @param f the delegate ShapeAction to use
     * @throws RuntimeException if the expression does not parse correctly or
     * does not result in a Predicate instance.
     */
    public void add(String expr, ShapeAction f) {
        Predicate p = (Predicate)ExpressionParser.parse(expr);
        super.add(p, f);
    }
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                    ((ColumnExpression)p).getColumnName(), true);
        }
        else if ( p instanceof NotPredicate )
        {
            // try to optimize the negation a boolean column
            Predicate pp = ((NotPredicate)p).getPredicate();
            if ( pp instanceof ColumnExpression ) {
                return getColumnIterator(t,
                        ((ColumnExpression)pp).getColumnName(), false);
            }
        }
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    protected static IntIterator getAndIterator(Table t, AndPredicate ap) {
        // possible TODO: add scoring to select best optimized iterator
        // for now just work from the end backwards and take the first
        // optimized iterator we find
        IntIterator rows = null;
        Predicate clause = null;
        for ( int i=ap.size(); --i >= 0; ) {
            clause = ap.get(i);
            if ( (rows=getOptimizedIterator(t,clause)) != null )
                break;
        }
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    public ZipDecode(final Table t) {
        super(new Visualization());
       
        // this predicate makes sure only the continental states are included
        Predicate filter = (Predicate)ExpressionParser.parse(
                "state >= 1 && state <= 56 && state != 2 && state != 15");
        VisualTable vt = m_vis.addTable(DATA, t, filter, getDataSchema());
        // zip codes are loaded in as integers, so lets create a derived
        // column that has correctly-formatted 5 digit strings
        vt.addColumn("zipstr", "LPAD(zip,5,'0')");
        // now add a formatted label to show within the visualization
        vt.addColumn("label", "CONCAT(CAP(city),', ',STATE(state),' ',zipstr)");
       
        // create a filter controlling label appearance
        Predicate loneResult = (Predicate)ExpressionParser.parse(
                "INGROUP('_search_') AND GROUPSIZE('_search_')=1 AND " +
                "LENGTH(QUERY('_search_'))=5");
       
        // add a table of visible city,state,zip labels
        // this is a derived table, overriding only the fields that need to
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        m_vis = vis;
       
        final String group = "by_state";

        // filter to show only candidates receiving more than $100,000
        Predicate p = (Predicate)
            ExpressionParser.parse("["+TOTAL_RECEIPTS+"] >= 100000");
        VisualTable vt = vis.addTable(group, t, p);
       
        // add a new column containing a label string showing
        // candidate name, party, state, year, and total receipts
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Related Classes of prefuse.data.expression.Predicate

  • org.qi4j.envisage.graph.StackedGraphDisplay
  • org.qi4j.envisage.graph.TreeGraphDisplay
  • org.rioproject.tools.ui.GraphView
  • prefuse.action.assignment.ColorAction
  • prefuse.action.assignment.FontAction
  • prefuse.action.assignment.ShapeAction
  • prefuse.action.assignment.SizeAction
  • prefuse.action.assignment.StrokeAction
  • prefuse.data.util.FilterIteratorFactory
  • prefuse.demos.Congress
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