StatusCScriptlet


1   package net.sf.jasperreports.mysql.reports;
2   
3   import java.awt.Color  ;
4   import java.util.Date  ;
5   
6   import net.sf.jasperreports.engine.JRDefaultScriptlet;
7   import net.sf.jasperreports.engine.JRRenderable;
8   import net.sf.jasperreports.engine.JRScriptletException;
9   import net.sf.jasperreports.renderers.JCommonDrawableRenderer;
10  
11  import org.jfree.chart.ChartFactory;
12  import org.jfree.chart.JFreeChart;
13  import org.jfree.data.time.Day;
14  import org.jfree.data.time.Hour;
15  import org.jfree.data.time.TimeSeries;
16  import org.jfree.data.time.TimeSeriesCollection;
17  
18  /**
19   *
20   */
21  public class StatusCScriptlet extends JRDefaultScriptlet 
22  {
23  
24      /**
25       *
26       */
27      private TimeSeries bytesReceivedTimeSeries = null;
28      private TimeSeries bytesSentTimeSeries = null;
29      private TimeSeries selectsTimeSeries = null;
30      private TimeSeries insertsTimeSeries = null;
31      
32      /**
33       *
34       */
35      public void afterReportInit() throws JRScriptletException
36      {
37          bytesReceivedTimeSeries = new TimeSeries("Bytes received", Hour.class);
38          bytesSentTimeSeries = new TimeSeries("Bytes sent", Hour.class);
39          selectsTimeSeries = new TimeSeries("Selects", Hour.class);
40          insertsTimeSeries = new TimeSeries("Inserts", Hour.class);
41      }
42  
43      /**
44       *
45       */
46      public void afterDetailEval() throws JRScriptletException
47      {
48          Hour hour = new Hour(((Integer  )getFieldValue("report_hour")).intValue(), new Day((Date  )getFieldValue("report_date")));
49          bytesReceivedTimeSeries.add(hour, (Number  )getFieldValue("bytes_received"));
50          bytesSentTimeSeries.add(hour, (Number  )getFieldValue("bytes_sent"));
51          selectsTimeSeries.add(hour, (Number  )getFieldValue("total_selects"));
52          insertsTimeSeries.add(hour, (Number  )getFieldValue("total_insert"));
53      }
54  
55      /**
56       *
57       */
58      public JRRenderable getNetworkChart()
59      {
60          TimeSeriesCollection dataset = new TimeSeriesCollection();
61          dataset.addSeries(bytesReceivedTimeSeries);
62          dataset.addSeries(bytesSentTimeSeries);
63          
64          JFreeChart chart = 
65              ChartFactory.createTimeSeriesChart(
66                  "Network traffic", 
67                  "Time", 
68                  "Bytes",
69                  dataset, 
70                  true, 
71                  true, 
72                  false
73                  );
74          
75          chart.setBackgroundPaint(Color.white);
76          
77          return new JCommonDrawableRenderer(chart);
78      }
79  
80      /**
81       *
82       */
83      public JRRenderable getActivityChart()
84      {
85          TimeSeriesCollection dataset = new TimeSeriesCollection();
86          dataset.addSeries(selectsTimeSeries);
87          dataset.addSeries(insertsTimeSeries);
88          
89          JFreeChart chart = 
90              ChartFactory.createTimeSeriesChart(
91                  "Activity", 
92                  "Time", 
93                  "Value",
94                  dataset, 
95                  true, 
96                  true, 
97                  false
98                  );
99          
100         chart.setBackgroundPaint(Color.white);
101         
102         return new JCommonDrawableRenderer(chart);
103     }
104 
105 }
106
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