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1
22 package org.jboss.ha.framework.interfaces;
23
24 import java.util.ArrayList  ;
25 import java.util.Collections ;
26 import java.util.List ;
27
28
37 public class FamilyClusterInfoImpl implements FamilyClusterInfo
38 {
39
40
42
44 public String familyName = null;
45 ArrayList targets = null;
46 long currentViewId = 0;
47 boolean isViewMembersInSyncWithViewId = false;
48
49 int cursor = FamilyClusterInfo.UNINITIALIZED_CURSOR;
50 Object arbitraryObject = null;
51
52
54
56 private FamilyClusterInfoImpl (){ }
57
58 protected FamilyClusterInfoImpl (String familyName, List targets, long viewId)
59 {
60 this.familyName = familyName;
61 this.targets = cloneList(targets);
62 this.currentViewId = viewId;
63
64 this.isViewMembersInSyncWithViewId = false;
65 }
66
67
69
71 public String getFamilyName () { return this.familyName; }
72
73
78 public synchronized List getTargets ()
79 {
80 return Collections.unmodifiableList(this.targets);
81 }
82 public long getCurrentViewId () { return this.currentViewId; }
83 public int getCursor () { return this.cursor; }
84 public int setCursor (int cursor) { return (this.cursor = cursor);}
85 public Object getObject () { return this.arbitraryObject; }
86 public Object setObject (Object whatever) { this.arbitraryObject = whatever; return this.arbitraryObject; }
87
88 public List removeDeadTarget(Object target)
89 {
90 synchronized (this)
91 {
92 ArrayList tmp = (ArrayList ) targets.clone();
93 tmp.remove (target);
94 this.targets = tmp;
95 this.isViewMembersInSyncWithViewId = false;
96 return Collections.unmodifiableList(this.targets);
97 }
98 }
99
100 public List updateClusterInfo (List targets, long viewId)
101 {
102 synchronized (this)
103 {
104 this.targets = cloneList(targets);
105 this.currentViewId = viewId;
106 this.isViewMembersInSyncWithViewId = true;
107 return Collections.unmodifiableList(this.targets);
108 }
109 }
110
111 public boolean currentMembershipInSyncWithViewId ()
112 {
113 return this.isViewMembersInSyncWithViewId;
114 }
115
116 public void resetView ()
117 {
118 synchronized (this)
119 {
120 this.currentViewId = -1;
121 this.isViewMembersInSyncWithViewId = false;
122 }
123 }
124
125
127 public int hashCode()
128 {
129 return this.familyName.hashCode ();
130 }
131
132 public boolean equals (Object o)
133 {
134 if (o instanceof FamilyClusterInfoImpl)
135 {
136 FamilyClusterInfoImpl fr = (FamilyClusterInfoImpl)o;
137 return fr.familyName == this.familyName;
138 }
139 else
140 return false;
141 }
142
143 public String toString()
144 {
145 StringBuffer tmp = new StringBuffer (super.toString());
146 tmp.append("{familyName=");
147 tmp.append(familyName);
148 tmp.append(",targets=");
149 tmp.append(targets);
150 tmp.append(",currentViewId=");
151 tmp.append(currentViewId);
152 tmp.append(",isViewMembersInSyncWithViewId=");
153 tmp.append(isViewMembersInSyncWithViewId);
154 tmp.append(",cursor=");
155 tmp.append(cursor);
156 tmp.append(",arbitraryObject=");
157 tmp.append(arbitraryObject);
158 tmp.append("}");
159 return tmp.toString();
160 }
161
163
165
167
169 private static ArrayList cloneList(List toClone)
170 {
171 if (toClone instanceof ArrayList )
172 {
173 synchronized (toClone)
174 {
175 return (ArrayList ) ((ArrayList ) toClone).clone();
176 }
177 }
178
179 ArrayList clone = new ArrayList (toClone.size());
180 synchronized (toClone)
181 {
182 clone.addAll(toClone);
183 }
184 return clone;
185 }
186 }
187 |
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