/* ============================================================
* JRobin : Pure java implementation of RRDTool's functionality
* ============================================================
*
* Project Info: http://www.jrobin.org
* Project Lead: Sasa Markovic (saxon@jrobin.org);
*
* (C) Copyright 2003, by Sasa Markovic.
*
* Developers: Sasa Markovic (saxon@jrobin.org)
*
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package org.jrobin.inspector;
import org.jrobin.core.RrdDb;
import org.jrobin.core.Datasource;
import org.jrobin.core.RrdException;
import javax.swing.table.AbstractTableModel;
import java.io.IOException;
import java.io.File;
class DatasourceTableModel extends AbstractTableModel {
private static final long serialVersionUID = 1L;
private static final Object[] DESCRIPTIONS = {
"name", "type", "heartbeat", "min value",
"max value", "last value", "accum. value", "NaN seconds"
};
private static final String[] COLUMN_NAMES = {
"description", "value"
};
private File file;
private Object[] values;
private int dsIndex = -1;
public int getRowCount() {
return DESCRIPTIONS.length;
}
public int getColumnCount() {
return COLUMN_NAMES.length;
}
public Object getValueAt(int rowIndex, int columnIndex) {
if (columnIndex == 0) {
return DESCRIPTIONS[rowIndex];
}
else if (columnIndex == 1) {
if (values != null) {
return values[rowIndex];
}
else {
return "--";
}
}
return null;
}
public String getColumnName(int column) {
return COLUMN_NAMES[column];
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return false;
}
void setFile(File newFile) {
file = newFile;
setIndex(-1);
}
void setIndex(int newDsIndex) {
if (dsIndex != newDsIndex) {
dsIndex = newDsIndex;
values = null;
if (dsIndex >= 0) {
try {
RrdDb rrd = new RrdDb(file.getAbsolutePath(), true);
try {
Datasource ds = rrd.getDatasource(dsIndex);
values = new Object[] {
ds.getDsName(),
ds.getDsType(),
"" + ds.getHeartbeat(),
InspectorModel.formatDouble(ds.getMinValue()),
InspectorModel.formatDouble(ds.getMaxValue()),
InspectorModel.formatDouble(ds.getLastValue()),
InspectorModel.formatDouble(ds.getAccumValue()),
"" + ds.getNanSeconds()
};
}
finally {
rrd.close();
}
}
catch (IOException e) {
Util.error(null, e);
}
catch (RrdException e) {
Util.error(null, e);
}
}
fireTableDataChanged();
}
}
}