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/* DynamicReconfigurator.java
* $Id: DynamicReconfigurator.java,v 1.4 2007/05/05 05:24:19 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:19 $
* Indentation Information:
* 0. Please (try to) preserve these settings.
* 1. Tabs are preferred over spaces.
* 2. In vi/vim -
* :set tabstop=4 :set shiftwidth=4 :set softtabstop=4
* 3. In S1 Studio -
* 1. Tools->Options->Editor Settings->Java Editor->Tab Size = 4
* 2. Tools->Options->Indentation Engines->Java Indentation Engine->Expand Tabs to Spaces = False.
* 3. Tools->Options->Indentation Engines->Java Indentation Engine->Number of Spaces per Tab = 4.
*/
package com.sun.enterprise.admin.monitor.registry.spi.reconfig;
import com.sun.enterprise.admin.monitor.registry.StatsHolder;
import com.sun.enterprise.admin.monitor.registry.MonitoredObjectType;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevel;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener;
import com.sun.enterprise.admin.monitor.registry.spi.ValueListMap;
/**
*
* @author <a href="mailto:Kedar.Mhaswade@sun.com">Kedar Mhaswade</a>
* @since S1AS8.0
* @version $Revision: 1.4 $
*/
public final class DynamicReconfigurator implements ChangeHandler {
private final ValueListMap listeners;
private ChangeHandler successor;
public DynamicReconfigurator(ValueListMap listeners) {
this.listeners = listeners;
chain();
}
public void addListener(MonitoredObjectType type, MonitoringLevelListener listener) {
if (listeners != null)
listeners.put(type, listener);
}
public void removeListener(MonitoringLevelListener listener) {
listeners.remove(listener);
}
public void handleChange(MonitoredObjectType type, MonitoringLevel from, MonitoringLevel to) {
successor.handleChange(type, from, to);
}
private void chain() {
// exercise care while forming this chain.
final ChangeHandler c = new EmptyChangeHandler();
final ChangeHandler j = new JVMChangeHandler(c, listeners);
final ChangeHandler w = new WebContainerChangeHandler(j, listeners);
final ChangeHandler e = new EjbContainerChangeHandler(w, listeners);
final ChangeHandler ts = new TransactionServiceChangeHandler(e, listeners);
final ChangeHandler hs = new HttpServiceChangeHandler(ts, listeners);
final ChangeHandler orb = new OrbChangeHandler(hs, listeners);
final ChangeHandler tp = new ThreadPoolChangeHandler(orb, listeners);
final ChangeHandler cp = new ConnectionPoolChangeHandler(tp, listeners);
this.successor = cp;
}
}
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