public synchronized void putTrust(final WoTTrust trust) {
   mTrustCache.put(new TrustKey(trust), trust.getValue());
 }
 public synchronized void putScore(
     final WoTOwnIdentity truster, final WoTIdentity trustee, final int value) {
   mScoreCache.put(new TrustKey(truster, trustee), value);
 }
 public synchronized void putTrust(
     final WoTIdentity truster, final WoTIdentity trustee, final byte value) {
   mTrustCache.put(new TrustKey(truster, trustee), value);
 }