Author: batosai
Date: 2008-07-26 18:11:54 +0000 (Sat, 26 Jul 2008)
New Revision: 21426
Modified:
trunk/apps/WoT/src/plugins/WoT/WoT.java
Log:
Added some code to stress the algorithm. It looks good enough to me for the
moment. But there certainly is some possible optimisations.
Modified: trunk/apps/WoT/src/plugins/WoT/WoT.java
===================================================================
--- trunk/apps/WoT/src/plugins/WoT/WoT.java 2008-07-26 18:06:49 UTC (rev
21425)
+++ trunk/apps/WoT/src/plugins/WoT/WoT.java 2008-07-26 18:11:54 UTC (rev
21426)
@@ -47,8 +47,6 @@
boolean changedTrustValue = false;
boolean changedComment = false;
- System.out.println("*****" + newTrust);
-
ObjectSet<Trust> trustResult = db.queryByExample(new
Trust(newTrust.getTruster(), newTrust.getTrustee(), 0));
if(trustResult.size() != 0) {
Trust oldTrust = trustResult.next();
@@ -108,17 +106,13 @@
while(trusters.hasNext()) {
Trust trusterTrust = trusters.next();
-
- System.out.println("**"+trusterTrust);
-
+
Score trusterScore;
ObjectSet<Score> trustersScore = db.queryByExample(new
Score(treeOwner, trusterTrust.getTruster(), 0, 0, 0));
if(trustersScore.hasNext()) trusterScore =
trustersScore.next();
else trusterScore = new Score(treeOwner,
trusterTrust.getTruster(), 0, -1, 0);
- System.out.println("*"+trusterScore);
-
if(trusterScore.getCapacity() > 0) {
newScore += trusterScore.getCapacity() *
trusterTrust.getValue() / 100;
if(newRank == -1 || newRank >
trusterScore.getRank())
@@ -129,13 +123,14 @@
if(newRank != -1) newRank++; // We don't want to give the
trustee the same rank as the truster, right ?
if((newScore > 0) && !hasNegativeTrust) newCapacity =
capacities[newRank];
+ if(score.getRank() != 0) { // We don't want our own identites'
rank to be changed either
+ score.setRank(newRank);
+ score.setCapacity(newCapacity);
+ }
score.setScore(newScore);
- score.setRank(newRank);
- score.setCapacity(newCapacity);
+
db.store(score);
-
- System.out.println(score);
-
+
if(oldCapacity != newCapacity) {
ObjectSet<Trust> trustees = db.queryByExample(new
Trust(identity, null, 0));
while(trustees.hasNext()) {
@@ -145,6 +140,32 @@
}
}
+ public void stressTest(int nbIdentities, int nbTrustPerIdentity) {
+
+ ObjectSet<Identity> search;
+
+ for(int i = 1 ; i != nbIdentities ; i++) {
+ Identity id = new Identity(String.valueOf(i), new
Date(), 0, true);
+ db.store(id);
+ }
+
+ for(int i = 0 ; i != nbIdentities ; i++) {
+ for(int j = 0 ; j != nbTrustPerIdentity ; j++) {
+ search = db.queryByExample(new
Identity(String.valueOf(i), null, 0, true));
+ Identity truster = search.next();
+
+ double trusteeId = Math.random() * nbIdentities;
+ double value = Math.random() * 100;
+
+ search = db.queryByExample(new
Identity(String.valueOf((int) trusteeId), null, 0, true));
+ Identity trustee = search.next();
+
+ setTrust(new Trust(truster, trustee, (int)
value));
+ }
+ System.out.println(i);
+ }
+ }
+
/**
* This code will have to move in the plugin methods.
*/
@@ -156,72 +177,30 @@
try {
db = Db4o.openFile("WoT.db4o");
- /*
- fcp = new FcpConnection("localhost",9481);
- fcp.connect();
- fcp.sendMessage(new ClientHello("WoT"));
- */
- //fcp = new FCPHandler(host,port);
- //identityInserter = new IdentityInserter(db, fcp);
- //identityInserter.start();
-
//Empty the database
ObjectSet<Object> result = db.queryByExample(new
Object());
while (result.hasNext()) { db.delete(result.next()); }
- OwnIdentity root = new OwnIdentity("root", "root", new
Date(), new Date(), 0, true);
+ OwnIdentity root = new OwnIdentity("0", "0", new
Date(), new Date(), 0, true);
Score initScore = new Score(root,root,100,0,100);
- Identity a = new Identity("a", new Date(), 0, true);
- Identity b = new Identity("b", new Date(), 0, true);
- Identity c = new Identity("c", new Date(), 0, true);
-
db.store(root);
db.store(initScore);
- db.store(a);
- db.store(b);
- db.store(c);
WoT wot = new WoT(db);
- wot.setTrust(new Trust(root, a, 80, "Friend of mine"));
- wot.setTrust(new Trust(b, c, 50, "Like him"));
- wot.setTrust(new Trust(a, b, 100, "He's my brother"));
- wot.setTrust(new Trust(root, b, 30, "Looks like a nice
guy"));
- wot.setTrust(new Trust(root, b, -100, "That was a trap
!"));
-
+
+ wot.stressTest(100, 5);
+
System.out.println("\n***** Trust objects in the
database :");
ObjectSet<Trust> trustList =
db.queryByExample(Trust.class);
- while(trustList.hasNext()) {
- System.out.println(trustList.next());
- }
+ System.out.println(trustList.size());
System.out.println("\n***** Score objects in the
database :");
ObjectSet<Score> scoreList =
db.queryByExample(Score.class);
while(scoreList.hasNext()) {
System.out.println(scoreList.next());
}
- /*
-
- Identity a = new Identity("a", new Date(), true);
- Identity b = new Identity("b", new Date(), true);
-
- db.store(a);
- db.store(b);
-
- root.addTrust(db, a, 80);
- root.addTrust(db, b, 30);
- a.addTrust(db, b, 100);
- */
- /*
- Identity test = new Identity("USK at
DCOSLbqlCS-~Ly8ZBxvcI9MkrweRl0t7BLLKs2zGj38,J~GQAEk3m5eXI5KagpSXxHX2~3GPC61eJtQGIWn~5Ns,AQACAAE/",
new Date(), 3, true);
-
- IdentityFetcher identityFetcher = new
IdentityFetcher(db,fcp);
- identityFetcher.fetch(test);
-
- //identityInserter.stop();
- fcp.disconnect();
- */
db.close();
}
catch (Exception e) {
