/*
* Copyright 2003,2004 Colin Crist
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package hermes.browser.tasks;
import hermes.Hermes;
import hermes.SingletonManager;
import hermes.browser.HermesBrowser;
import hermes.browser.IconCache;
import hermes.browser.model.QueueWatchTableModel;
import hermes.browser.model.WatchInfo;
import hermes.impl.ClassLoaderManager;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.jms.JMSException;
import javax.naming.NamingException;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import org.apache.log4j.Logger;
/**
* @author colincrist@yaho.com last changed by: $Author: colincrist $
* @version $Id: DestinationWatchAction.java,v 1.5 2005/08/15 20:37:31 colincrist Exp $
*/
public class DestinationWatchAction extends TaskSupport
{
private static final Logger log = Logger.getLogger(DestinationWatchAction.class);
private static final Set activeWatches = new HashSet();
private QueueWatchTableModel watchModel;
private String id;
private JComponent forRepaint ;
/**
* @param content
* @param title
* @param listener
*/
public DestinationWatchAction(String id, JComponent forRepaint, QueueWatchTableModel watchModel)
{
super(IconCache.getIcon("hermes.watch"));
this.watchModel = watchModel;
this.id = id;
this.forRepaint = forRepaint ;
}
public boolean isDuplicate()
{
synchronized (activeWatches)
{
return activeWatches.contains(id) ;
}
}
public String getTitle()
{
return "Watch updating " + id ;
}
/* (non-Javadoc)
* @see hermes.browser.actions.HermesAction#doAction()
*/
public void invoke() throws Exception
{
synchronized (activeWatches)
{
if (activeWatches.contains(id))
{
log.info("previous watch id=" + id + " still running, not starting timed action");
return;
}
activeWatches.add(id) ;
}
log.info("watch action for " + id + " starting");
try
{
final Map hermesToClose = new HashMap();
boolean localHasAlert = false;
for (int i = 0; i < watchModel.getRowCount(); i++)
{
boolean deleted = false;
final WatchInfo info = watchModel.getRow(i);
try
{
ClassLoaderManager classLoaderManager = (ClassLoaderManager) SingletonManager.get(ClassLoaderManager.class) ;
Thread.currentThread().setContextClassLoader(classLoaderManager.getClassLoaderByHermes(info.getHermesId())) ;
Hermes hermes = null;
if (!hermesToClose.keySet().contains(info.getHermesId()))
{
hermes = (Hermes) HermesBrowser.getBrowser().getContext().lookup(info.getHermesId());
hermesToClose.put(info.getHermesId(), hermes);
}
else
{
hermes = (Hermes) hermesToClose.get(info.getHermesId());
}
if (updateWatchInfo(hermes, info))
{
localHasAlert = true;
}
info.setE(null);
}
catch (Throwable e)
{
log.error(e.getMessage(), e);
info.setE(e);
}
}
for (Iterator iter = hermesToClose.entrySet().iterator(); iter.hasNext();)
{
Map.Entry entry = (Map.Entry) iter.next();
Hermes hermes = (Hermes) entry.getValue();
try
{
if (hermes != null)
{
hermes.close();
}
}
catch (JMSException e1)
{
log.error("closing " + hermes.getId() + ": " + e1.getMessage(), e1);
}
}
}
catch (Throwable t)
{
log.error(t.getMessage(), t);
}
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
forRepaint.repaint() ;
}
}) ;
log.debug("watch action for " + id + " finished");
synchronized (activeWatches)
{
activeWatches.remove(id) ;
}
}
private boolean updateWatchInfo(Hermes hermes, WatchInfo info) throws JMSException, NamingException
{
log.debug("updating " + hermes.getId() + " " + info.getConfig().getName()) ;
info.setDepth(hermes.getDepth(info.getConfig()));
if (info.getDepth() > 0)
{
info.setOldest(hermes.getAge(info.getConfig()));
}
else
{
info.setOldest(0);
}
info.setStatistics(hermes.getStatistics(info.getConfig()));
if (info.isInAlert())
{
return true;
}
else
{
return false;
}
}
}