org.ow2.cmi.ha.interceptor.HAContext Maven / Gradle / Ivy
/**
* High Availability Service (HA) for JOnAS
*
* Copyright (C) 2006 Distributed Systems Lab.
* Universidad Polit??cnica de Madrid (Spain)
* Contact: http://lsd.ls.fi.upm.es/lsd
*
* 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 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
*
* --------------------------------------------------------------------------
* $Id: HAContext.java 2438 2010-02-24 16:20:30Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.cmi.ha.interceptor;
import java.io.Serializable;
import java.util.Stack;
import org.ow2.cmi.ha.RequestId;
/**
* This is the class stored in the Thread local variable of HACurrent class and
* represents the thread associated HA context
* @author Francisco Perez-Sorrosal (fpsorrosal@[email protected])
* @author Alberto Paz-Jimenez (apaz@[email protected])
*/
public class HAContext implements Serializable {
/**
* Id for serializable class.
*/
private static final long serialVersionUID = 8622240885538001300L;
/**
* Holds info about the request chain
*/
private Stack requests = new Stack();
/**
* Holds the on failover info
*/
private boolean onFailover = false;
/**
* Constructor
*/
public HAContext() {
}
/**
* Set the requests
* @param reqs the requests
*/
public void setRequests(final Stack reqs) {
requests = reqs;
}
/**
* Get the requests
* @return the requests
*/
public Stack getRequests() {
return requests;
}
/**
* Put the request as the last request
*/
public void putNextReq(final RequestId nextReq) {
// Check that the request is not in the Stack
if (requests.contains(nextReq)) {
while (!requests.peek().equals(nextReq)) {
requests.pop();
}
} else {
requests.push(nextReq);
}
}
/**
* @return Returns the onFailover.
*/
public boolean isOnFailover() {
return onFailover;
}
/**
* @param onFailover The onFailover to set.
*/
public void setOnFailover(final boolean onFailover) {
this.onFailover = onFailover;
}
}