package org.jboss.as.console.client.shared.runtime.vm;
import com.google.gwt.user.client.ui.Widget;
import org.jboss.as.console.client.Console;
import org.jboss.as.console.client.shared.help.StaticHelpPanel;
import org.jboss.as.console.client.shared.runtime.Metric;
import org.jboss.as.console.client.shared.runtime.Sampler;
import org.jboss.as.console.client.shared.runtime.charts.Column;
import org.jboss.as.console.client.shared.runtime.charts.LineChartView;
import org.jboss.as.console.client.shared.runtime.charts.NumberColumn;
import org.jboss.as.console.client.shared.runtime.plain.PlainColumnView;
/**
* @author Heiko Braun
* @date 9/29/11
*/
public class ThreadChartView implements Sampler {
private Sampler sampler;
private String title;
public ThreadChartView(String title) {
this.title = title;
}
public Widget asWidget() {
return displayStrategy();
}
private Widget displayStrategy() {
Column live = new NumberColumn("thread-count", "Live").setBaseline(true);
Column[] threadCols = new Column[] {
live,
new NumberColumn("daemon-thread-count","Daemon").setComparisonColumn(live)
};
if(Console.visAPILoaded()) {
sampler = new LineChartView(320,200, title)
.setColumns(threadCols);
}
else
{
StringBuilder html = new StringBuilder();
html.append("<table class='help-attribute-descriptions'>");
html.append("<tr><td>thread-count: </td><td>The current number of live threads including both daemon and non-daemon threads.</td></tr>");
html.append("<tr><td>daemon-thread-count: </td><td>The current number of live daemon threads.</td></tr>");
html.append("</table>");
sampler = new PlainColumnView(title)
.setColumns(threadCols)
.setStaticHelp(new StaticHelpPanel(html.toString()));
}
return sampler.asWidget();
}
@Override
public void addSample(Metric metric) {
sampler.addSample(metric);
}
@Override
public void clearSamples() {
sampler.clearSamples();
}
@Override
public long numSamples() {
return sampler.numSamples();
}
@Override
public void recycle() {
sampler.recycle();
}
}