Source Code Cross Referenced for Gossip.java in  » Net » JGroups-2.4.1-sp3 » org » jgroups » protocols » pbcast » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.protocols.pbcast 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // $Id: Gossip.java,v 1.6 2006/05/16 11:14:27 belaban Exp $
002:
003:        package org.jgroups.protocols.pbcast;
004:
005:        import org.jgroups.Address;
006:
007:        import java.io.Serializable;
008:        import java.util.Vector;
009:        import java.net.UnknownHostException;
010:
011:        public class Gossip implements  Serializable {
012:            Address sender = null;
013:            long id = -1;
014:            Digest digest = null;
015:            Vector not_seen = null; // members who haven't seen this specific gossip yet
016:            Vector seen = new Vector(11); // members who have seen the gossip already
017:            private static final long serialVersionUID = 7954243278668401185L;
018:
019:            public Gossip(Address obj, long id) {
020:                sender = obj;
021:                this .id = id;
022:            }
023:
024:            public Gossip(Address obj, long id, Digest d, Vector not_seen) {
025:                sender = obj;
026:                this .id = id;
027:                digest = d;
028:                this .not_seen = not_seen;
029:            }
030:
031:            /**
032:             * Removes obj from not_seen list
033:             */
034:            public void removeFromNotSeenList(Address mbr) {
035:                if (not_seen != null && mbr != null)
036:                    not_seen.removeElement(mbr);
037:            }
038:
039:            public void addToSeenList(Address mbr) {
040:                if (mbr != null && !seen.contains(mbr))
041:                    seen.addElement(mbr);
042:            }
043:
044:            public int sizeOfNotSeenList() {
045:                return not_seen == null ? 0 : not_seen.size();
046:            }
047:
048:            public Vector getNotSeenList() {
049:                return not_seen;
050:            }
051:
052:            public Vector getSeenList() {
053:                return seen;
054:            }
055:
056:            public boolean equals(Object o) {
057:                Gossip other = null;
058:
059:                if (sender != null && o != null) {
060:                    other = (Gossip) o;
061:                    return sender.equals(other.sender) && id == other.id;
062:                }
063:                return false;
064:            }
065:
066:            public int hashCode() {
067:                if (sender != null)
068:                    return sender.hashCode() + (int) id;
069:                else
070:                    return (int) id;
071:            }
072:
073:            public Gossip copy() {
074:                Gossip ret = new Gossip(sender, id);
075:                if (digest != null)
076:                    ret.digest = digest.copy();
077:                if (not_seen != null)
078:                    ret.not_seen = (Vector) not_seen.clone();
079:                if (seen != null)
080:                    ret.seen = (Vector) seen.clone();
081:                return ret;
082:            }
083:
084:            public String toString() {
085:                StringBuffer sb = new StringBuffer();
086:                sb.append("sender=");
087:                if (sender != null)
088:                    sb.append(sender);
089:                else
090:                    sb.append("<null>");
091:                if (digest != null)
092:                    sb.append(", digest=" + digest);
093:                if (not_seen != null)
094:                    sb.append(", not_seen=" + not_seen);
095:                if (seen != null)
096:                    sb.append(", seen=" + seen);
097:                sb.append(", id=" + id);
098:                return sb.toString();
099:            }
100:
101:            public String shortForm() {
102:                StringBuffer sb = new StringBuffer();
103:                if (sender != null)
104:                    sb.append(sender);
105:                else
106:                    sb.append("<null>");
107:                sb.append("#" + id);
108:                return sb.toString();
109:            }
110:
111:            public static void main(String[] args) throws UnknownHostException {
112:                Gossip id1, id2;
113:
114:                id1 = new Gossip(
115:                        new org.jgroups.stack.IpAddress("daddy", 4567), 23);
116:                id2 = new Gossip(new org.jgroups.stack.IpAddress(
117:                        "133.164.130.19", 4567), 23);
118:
119:                System.out.println(id1.equals(id2));
120:            }
121:        }
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