/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.troubleshooting.changelisteners;
import com.eucalyptus.configurable.ConfigurableProperty;
import com.eucalyptus.configurable.ConfigurablePropertyException;
import com.eucalyptus.configurable.PropertyChangeListener;
import com.eucalyptus.troubleshooting.checker.schedule.DBCheckScheduler;
public class DBCheckThresholdListener implements PropertyChangeListener<Object> {
/**
* @see com.eucalyptus.configurable.PropertyChangeListener#fireChange(com.eucalyptus.configurable.ConfigurableProperty,
* java.lang.Object)
*/
@Override
public void fireChange(ConfigurableProperty t, Object newValue)
throws ConfigurablePropertyException {
if (newValue == null) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
} else if (!(newValue instanceof String)) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
} else if (((String) newValue).endsWith("%")) { //percentage
String percentageStr = ((String) newValue).substring(0, ((String) newValue).length() - 1);
double percentage = -1.0;
try {
percentage = Double.parseDouble(percentageStr);
} catch (Exception ex) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
}
if (percentage < 0 || percentage > 100) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
}
} else {
int numConnections = -1;
try {
numConnections = Integer.parseInt((String) newValue);
} catch (Exception ex) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
}
if (numConnections <= 0) {
throw new ConfigurablePropertyException("Invalid value " + newValue);
}
}
try {
t.getField().set(null, t.getTypeParser().apply(newValue.toString()));
} catch (IllegalArgumentException e1) {
e1.printStackTrace();
throw new ConfigurablePropertyException(e1);
} catch (IllegalAccessException e1) {
e1.printStackTrace();
throw new ConfigurablePropertyException(e1);
}
DBCheckScheduler.resetDBCheck();
}
}