--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/alice/topology/manager/keeparive/SchedulerViewer.java	Mon Nov 04 13:09:14 2013 +0900
@@ -0,0 +1,158 @@
+package alice.topology.manager.keeparive;
+
+/**
+ * Copyright (c) 2008, 2012 Oracle and/or its affiliates.
+ * All rights reserved. Use is subject to license terms.
+ */
+import javafx.application.Application;
+import javafx.scene.Group;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+import javafx.animation.Animation;
+import javafx.animation.KeyFrame;
+import javafx.animation.Timeline;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.chart.LineChart;
+import javafx.scene.chart.NumberAxis;
+import javafx.scene.chart.XYChart;
+import javafx.util.Duration;
+
+/**
+ * A simulated stock line chart.
+ *
+ * @see javafx.scene.chart.Chart
+ * @see javafx.scene.chart.LineChart
+ * @see javafx.scene.chart.NumberAxis
+ * @see javafx.scene.chart.XYChart
+ */
+public class SchedulerViewer extends Application {
+	private PingScheduler ps;
+	private XYChart.Series<Number,Number> hourDataSeries;
+	private NumberAxis xAxis;
+	private Timeline animation;
+
+	private double hours = 0;
+	private double minutes = 0;
+	private double timeInHours = 0;
+	
+
+	private void init(Stage primaryStage) {
+		Group root = new Group();
+		primaryStage.setScene(new Scene(root));
+		root.getChildren().add(createChart());
+		// create timeline to add new data every 60th of second
+		animation = new Timeline();
+		animation.getKeyFrames().add(new KeyFrame(Duration.millis(1000/60), new EventHandler<ActionEvent>() {
+			@Override public void handle(ActionEvent actionEvent) {
+				// 6 minutes data per frame
+				for(int count=0; count < 6; count++) {
+					nextTime();
+					plotTime();
+				}
+			}
+		}));
+		animation.setCycleCount(Animation.INDEFINITE);
+	}
+
+	protected LineChart<Number, Number> createChart() {
+		xAxis = new NumberAxis(0,100,10);
+		final NumberAxis yAxis = new NumberAxis(0,100,10);
+		final LineChart<Number,Number> lc = new LineChart<Number,Number>(xAxis,yAxis);
+		// setup chart
+		lc.setId("lineStockDemo");
+		lc.setCreateSymbols(false);
+		lc.setAnimated(false);
+		lc.setLegendVisible(false);
+		lc.setTitle("Task Viewer");
+		xAxis.setLabel("Time");
+		xAxis.setForceZeroInRange(false);
+		yAxis.setLabel("Task Name");
+		yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,"$",null));
+		// add starting data
+		hourDataSeries = new XYChart.Series<Number,Number>();
+		for (double m=0; m<(60); m++) {
+			nextTime();
+			plotTime();
+			plotGraph();
+		}
+		lc.getData().add(hourDataSeries);
+		return lc;
+	}
+
+	private void plotGraph() {
+		if (ps.updateFlag){
+			if(!hourDataSeries.getData().isEmpty())
+				hourDataSeries.getData().clear();
+			int count = 0;
+			hourDataSeries.getData().add(new XYChart.Data<Number, Number>(count, ps.nowTask.getTaskNum()));
+			count += ps.nowTask.getTime()/1000;
+			hourDataSeries.getData().add(new XYChart.Data<Number, Number>(count, ps.nowTask.getTaskNum()));
+			
+			for (TaskInfo info : ps.getTaskList()){
+				hourDataSeries.getData().add(new XYChart.Data<Number, Number>(count, info.getTaskNum()));
+				count += info.getTime()/1000;
+				hourDataSeries.getData().add(new XYChart.Data<Number, Number>(count, info.getTaskNum()));	
+			}
+			ps.updateFlag = false;
+		}
+		
+		
+	}
+
+	private void nextTime() {
+		if (minutes == 59) {
+			hours ++;
+			minutes = 0;
+		} else {
+			minutes ++;
+		}
+		timeInHours = hours + ((1d/60d)*minutes);
+	}
+
+	private void plotTime() {
+		if ((timeInHours % 1) == 0) {
+				xAxis.setLowerBound(xAxis.getLowerBound()+1);
+				xAxis.setUpperBound(xAxis.getUpperBound()+1);
+			
+		}
+	}
+	
+	public void StartScheduler(){
+		ps = new PingScheduler();
+		TaskInfo a = new TaskInfo("a", 10 * 1000);
+		
+		
+		TaskInfo d = new TaskInfo("d", 100 * 1000);
+		TaskInfo c = new TaskInfo("c", 40 * 1000);
+		TaskInfo b = new TaskInfo("b", 20 * 1000);
+		
+		
+		ps.addTask(a);
+		ps.addTask(b);
+		ps.addTask(c);
+		
+		ps.addTask(d);
+		
+		for (TaskInfo info :ps.getTaskList()){
+			System.out.println(info.getTime());
+		}
+		ps.execute();
+	}
+
+	public void play() {
+		animation.play();
+	}
+
+	@Override public void stop() {
+		animation.pause();
+	}    
+
+	@Override public void start(Stage primaryStage) throws Exception {
+		StartScheduler();
+		init(primaryStage);
+		primaryStage.show();
+		play();
+	}
+	
+}