package org.jboss.as.console.client.shared.subsys.tx.charts;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.visualization.client.AbstractDataTable;
import com.google.gwt.visualization.client.DataTable;
import com.google.gwt.visualization.client.visualizations.corechart.AxisOptions;
import com.google.gwt.visualization.client.visualizations.corechart.CoreChart;
import com.google.gwt.visualization.client.visualizations.corechart.LineChart;
import com.google.gwt.visualization.client.visualizations.corechart.Options;
import org.jboss.as.console.client.shared.jvm.charts.AbstractChartView;
import org.jboss.as.console.client.shared.subsys.tx.TXRollbackSampler;
import org.jboss.as.console.client.shared.subsys.tx.model.RollbackMetric;
import java.util.Date;
/**
* @author Heiko Braun
* @date 10/25/11
*/
public class RollbackChartView extends AbstractChartView implements TXRollbackSampler {
private DataTable data;
private LineChart chart;
private HTML appLabel;
private HTML resourceLabel;
private VerticalPanel layout;
public RollbackChartView(String title) {
super(title);
}
public RollbackChartView(int width, int height, String title) {
super(width, height, title);
}
public Widget asWidget() {
layout = new VerticalPanel();
// chart
chart = new LineChart(createTable(), createOptions()) ;
layout.add(chart);
// labels
appLabel = new HTML();
resourceLabel = new HTML();
HorizontalPanel labels = new HorizontalPanel();
labels.add(appLabel);
labels.add(resourceLabel);
layout.add(labels);
labels.getElement().getParentElement().setAttribute("align", "center");
return layout;
}
private DataTable createTable() {
data = DataTable.create();
data.addColumn(AbstractDataTable.ColumnType.DATETIME, "Time");
data.addColumn(AbstractDataTable.ColumnType.NUMBER, "Applications");
data.addColumn(AbstractDataTable.ColumnType.NUMBER, "Resources");
return data;
}
private Options createOptions() {
Options options = Options.create();
options.setWidth(width);
options.setHeight(height);
options.setTitle(title);
options.setType(CoreChart.Type.LINE);
return options;
}
public void addSample(RollbackMetric metric) {
appLabel.setHTML("Applications: " + metric.getAppRollback());
resourceLabel.setHTML("Resources: "+metric.getResourceRollback());
data.addRow();
int nextRow = data.getNumberOfRows()-1;
data.setValue(nextRow, 0, new Date(System.currentTimeMillis()));
data.setValue(nextRow, 1, metric.getAppRollback());
data.setValue(nextRow, 2, metric.getResourceRollback());
Options options = createOptions();
AxisOptions haxis = AxisOptions.create();
haxis.set("showTextEvery", "10.00");
haxis.set("maxAlternation", "1");
options.setHAxisOptions(haxis);
chart.draw(data, options);
}
public void clearSamples()
{
data = createTable();
chart.draw(data);
}
public long numSamples() {
return data.getNumberOfRows();
}
@Override
public void recycle() {
if(chart!=null)
{
layout.remove(chart);
chart = new LineChart(createTable(), createOptions()) ;
layout.add(chart);
}
}
}