/*
* Copyright (c) 2008 Stiftung Deutsches Elektronen-Synchrotron,
* Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
*
* THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS.
* WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR
* CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
* DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
* THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION,
* USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS
* PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY
* AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
*/
package org.csstudio.sds.ui.internal.statistics;
import java.text.NumberFormat;
import org.csstudio.domain.common.LayoutUtil;
import org.csstudio.sds.internal.statistics.MeasureCategoriesEnum;
import org.csstudio.sds.internal.statistics.StatisticUtil;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.part.ViewPart;
/**
* This view displays the current performance measures by category.
*
* @author Sven Wende
*
*/
public final class PerformanceMeasuresView extends ViewPart {
/**
* The view identification as configured in the plugin.xml.
*/
public static final String VIEW_ID = "org.csstudio.sds.ui.internal.statistics.PerformanceMeasuresView"; //$NON-NLS-1$
/**
* {@inheritDoc}
*/
@Override
public void createPartControl(final Composite parent) {
parent.setLayout(LayoutUtil.createGridLayout(1, 0, 10, 10));
// create a table viewer, which displays the current measures
final TableViewer measureResultsViewer = createMeasureResultsTable(parent);
// create a button, which resets the statistics
Button resetStatisticButton = new Button(parent, SWT.NONE);
resetStatisticButton.setText("Reset");
resetStatisticButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(final MouseEvent e) {
StatisticUtil.getInstance().init();
measureResultsViewer.refresh();
}
});
final Display display = Display.getCurrent();
final Job job = new Job("Long Running Job") {
@Override
protected IStatus run(final IProgressMonitor monitor) {
try {
display.asyncExec(new Runnable() {
@Override
public void run() {
if (!measureResultsViewer.getControl().isDisposed()) {
measureResultsViewer.refresh();
}
}
});
return Status.OK_STATUS;
} finally {
schedule(500);
}
}
};
// job.setSystem(true);
job.schedule();
}
/**
* {@inheritDoc}
*/
@Override
public void setFocus() {
}
/**
* Creates a table viewer, which enables the user to enter aliases.
*
* @param parent
* the parent composite
*
* @return the created viewer
*/
private TableViewer createMeasureResultsTable(final Composite parent) {
Group group = new Group(parent, SWT.NONE);
group.setLayout(LayoutUtil.createGridLayout(1, 0, 0, 0));
group.setText("Performance Measures");
group.setLayoutData(LayoutUtil
.createGridDataForHorizontalFillingCell(100));
// define column names
String[] columnNames = new String[] {
"PROP_NAME", "PROP_VALUE", "PROP_DESCRIPTION" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
// create table
final Table table = new Table(group, SWT.FULL_SELECTION
| SWT.SCROLL_PAGE);
table.setLinesVisible(true);
table.setLayoutData(LayoutUtil.createGridDataForFillingCell());
table.setHeaderVisible(true);
TableColumn column = new TableColumn(table, SWT.CENTER, 0);
column.setText("Category");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 1);
column.setText("Exec [Counter]");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 2);
column.setText("Time [Execution]");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 3);
column.setText("Time [Total]");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 4);
column.setText("Avg Exec [ calls / ms");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 5);
column.setText("Avg Exec Time [ms / call");
column.setWidth(140);
column = new TableColumn(table, SWT.LEFT, 6);
column.setText("Avg Total Time [ms / call");
column.setWidth(140);
// create viewer
final TableViewer viewer = new TableViewer(table);
// viewer.setUseHashlookup(true);
// define column properties
viewer.setColumnProperties(columnNames);
// content and label provider
viewer.setContentProvider(new MeasuresTableContentProvider());
viewer.setLabelProvider(new MeasuresTableLabelProvider());
viewer.setInput(MeasureCategoriesEnum.values());
return viewer;
}
/**
* Content provider for the encapsulated measures table.
*
* @author Sven Wende
*/
protected final class MeasuresTableContentProvider implements
IStructuredContentProvider {
/**
* {@inheritDoc}
*/
@Override
public void inputChanged(final Viewer viewer, final Object oldInput,
final Object newInput) {
}
/**
* {@inheritDoc}
*/
@Override
public Object[] getElements(final Object parent) {
return (Object[]) parent;
}
/**
* {@inheritDoc}
*/
@Override
public void dispose() {
}
}
/**
* Label provider for the encapsulated measures table.
*
* @author Sven Wende
*/
protected final class MeasuresTableLabelProvider implements
ITableLabelProvider {
/**
* A number formatter needed for output.
*/
private NumberFormat _formatter = NumberFormat.getNumberInstance();
/**
* The used statistics util.
*/
private StatisticUtil _statisticUtil = StatisticUtil.getInstance();
/**
* {@inheritDoc}
*/
@Override
public Image getColumnImage(final Object element, final int columnIndex) {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public String getColumnText(final Object element, final int columnIndex) {
String result = ""; //$NON-NLS-1$
MeasureCategoriesEnum category = (MeasureCategoriesEnum) element;
switch (columnIndex) {
case 0:
result = category.toString();
break;
case 1:
result = _formatter.format(_statisticUtil
.getExecutionCount(category));
break;
case 2:
result = _formatter.format(_statisticUtil
.getExecutionTimeSum(category));
break;
case 3:
result = _formatter.format(_statisticUtil.getRunningTime());
break;
case 4:
result = _formatter.format(_statisticUtil
.getAverageCallsPerMs(category));
break;
case 5:
result = _formatter.format(_statisticUtil
.getAverageExecutionTimePerCall(category));
break;
case 6:
result = _formatter.format(_statisticUtil
.getAverageTimeBetweenCalls(category));
break;
default:
break;
}
assert result != null : "result!=null"; //$NON-NLS-1$;
return result;
}
/**
* {@inheritDoc}
*/
@Override
public void addListener(final ILabelProviderListener listener) {
}
/**
* {@inheritDoc}
*/
@Override
public void dispose() {
}
/**
* {@inheritDoc}
*/
@Override
public boolean isLabelProperty(final Object element,
final String property) {
return false;
}
/**
* {@inheritDoc}
*/
@Override
public void removeListener(final ILabelProviderListener listener) {
}
}
}