/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.imr;
import org.jacorb.imr.RegistrationPackage.IllegalPOAName;
/**
* This class stores information about a POA. It also provides methods
* for reactivation, conversion, and for waiting for reactivation.
*
* @author Nicolas Noffke
*
* @version $Id: ImRPOAInfo.java,v 1.12 2008-11-14 08:55:26 nick.cross Exp $
*/
public class ImRPOAInfo
implements java.io.Serializable
{
public static final long serialVersionUID = 1l;
protected int port;
protected ImRServerInfo server;
protected String host;
protected String name;
protected boolean active;
protected long timeout; // 2 min.
/**
* The constructor of this class.
*
* @param name the POAs name.
* @param host the POAs host.
* @param port the port the POA listens on.
* @param server the server the POA is associated with.
* @exception IllegalPOAName thrown when <code>name</code> is
* <code>null</code> or of length zero.
*/
public ImRPOAInfo(String name,
String host,
int port,
ImRServerInfo server,
long timeout)
throws IllegalPOAName
{
if (name == null || name.length() == 0)
{
throw new IllegalPOAName(name);
}
this.name = name;
this.host = host;
this.port = port;
this.server = server;
this.active = true;
this.timeout = timeout;
}
/**
* "Converts" this Object to an instance of the POAInfo class.
*
* @return a POAInfo object.
*/
public POAInfo toPOAInfo()
{
return new POAInfo(name, host, port,server.name, active);
}
/**
* Reactivates this POA, i.e. sets it to active and unblocks any
* waiting threads.
*
* @param host the POAs new host.
* @param port the POAs new port.
*/
public synchronized void reactivate(String host, int port)
{
this.host = host;
this.port = port;
active = true;
server.active = true;
server.restarting = false;
notifyAll();
}
/**
* This method blocks until the POA is reactivated, or the
* timeout is exceeded.
*
* @return false, if the timeout has been exceeded, true otherwise.
*/
public synchronized boolean awaitActivation()
{
while(!active)
{
try
{
long _sleep_begin = System.currentTimeMillis();
wait(timeout);
if (!active &&
(System.currentTimeMillis() - _sleep_begin) > timeout)
{
return false;
}
}
catch (java.lang.Exception e)
{
//o.k., not nice but since this class is Serializable, we
//can't keep a Logger member
e.printStackTrace();
}
}
return true;
}
} // ImRPOAInfo