Source Code Cross Referenced for HAContext.java in  » J2EE » JOnAS-4.8.6 » org » objectweb » jonas » ha » interceptor » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas.ha.interceptor 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * High Availability Service (HA) for JOnAS
003:         *
004:         * Copyright (C) 2006 Distributed Systems Lab.
005:         * Universidad Polit??cnica de Madrid (Spain)
006:         * Contact: http://lsd.ls.fi.upm.es/lsd
007:         *
008:         * This library is free software; you can redistribute it and/or
009:         * modify it under the terms of the GNU Lesser General Public
010:         * License as published by the Free Software Foundation; either
011:         * version 2.1 of the License, or any later version.
012:         *
013:         * This library is distributed in the hope that it will be useful,
014:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
015:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
016:         * Lesser General Public License for more details.
017:         *
018:         * You should have received a copy of the GNU Lesser General Public
019:         * License along with this library; if not, write to the Free Software
020:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
021:         * USA
022:         *
023:         * --------------------------------------------------------------------------
024:         * $Id: HAContext.java 9280 2006-08-01 10:15:24Z japaz $
025:         * --------------------------------------------------------------------------
026:         */package org.objectweb.jonas.ha.interceptor;
027:
028:        import java.util.Iterator;
029:        import java.util.Stack;
030:
031:        import org.objectweb.carol.cmi.ha.Constants;
032:        import org.objectweb.carol.cmi.ha.RequestId;
033:        import org.objectweb.carol.cmi.ha.ViewIdWrapper;
034:        import org.objectweb.carol.rmi.jrmp.interceptor.JServiceContext;
035:
036:        /**
037:         * This class holds the required information to pass between client/server
038:         * through HA interceptors
039:         * @author Francisco Perez-Sorrosal (fpsorrosal@no-spam@fi.upm.es)
040:         * @author Alberto Paz-Jimenez (apaz@no-spam@fi.upm.es)
041:         */
042:        public class HAContext implements  JServiceContext {
043:
044:            /**
045:             * 
046:             */
047:            private static final long serialVersionUID = 1L;
048:
049:            /**
050:             * Holds request id stack
051:             */
052:            private Stack requests = new Stack();
053:
054:            /**
055:             * 
056:             */
057:            private boolean onFailover = false;
058:
059:            /**
060:             * ViewIdWrapper
061:             */
062:            private ViewIdWrapper info = null;
063:
064:            /**
065:             * Constructor
066:             */
067:            public HAContext() {
068:            }
069:
070:            /**
071:             * Returns the HA context identifier
072:             * @return the HA context id
073:             */
074:            public int getContextId() {
075:                return Constants.HA_CTX_ID;
076:            }
077:
078:            /** 
079:             * Sets Requests to pass between client and server
080:             * @param reqs thre requests
081:             */
082:            public void setRequests(Stack reqs) {
083:                requests = reqs;
084:            }
085:
086:            /**
087:             * Returns the requests
088:             * @return the requests
089:             */
090:            public Stack getRequests() {
091:                return requests;
092:            }
093:
094:            /**
095:             * @return Returns the onFailover.
096:             */
097:            public boolean isOnFailover() {
098:                return onFailover;
099:            }
100:
101:            /**
102:             * @param onFailover The onFailover to set.
103:             */
104:            public void setOnFailover(boolean onFailover) {
105:                this .onFailover = onFailover;
106:            }
107:
108:            /**
109:             * Returns a string representation of the object
110:             * @return the string representing the HAContext
111:             */
112:            public String toString() {
113:                String ret = "\nHAContext: " + Constants.HA_CTX_ID + "\n";
114:
115:                ret += "\tRequests:\n";
116:                Iterator it = requests.iterator();
117:                while (it.hasNext()) {
118:                    String request = ((RequestId) it.next()).toString();
119:                    ret += "\t\t" + request + "\n";
120:                }
121:                ret += "\tOnFailover:" + onFailover + "\n";
122:
123:                return ret;
124:
125:            }
126:
127:            public ViewIdWrapper getViewIdWrapper() {
128:                return info;
129:            }
130:
131:            public void setViewIdWrapper(ViewIdWrapper info) {
132:                this.info = info;
133:            }
134:        }
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