Synchronize access on an identity’s trust cache.

This should fix #194.

diff --git a/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java b/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
index 3c04823..46f81d6 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
@@ -64,6 +64,7 @@ public class DefaultIdentity implements Identity {
        private final Map<String, String> properties = Collections.synchronizedMap(new HashMap<String, String>());
 
        /** Cached trust. */
+       /* synchronize on itself. */
        private final WritableCache<OwnIdentity, Trust> trustCache = new MemoryCache<OwnIdentity, Trust>(new ValueRetriever<OwnIdentity, Trust>() {
 
                @Override
@@ -249,7 +250,9 @@ public class DefaultIdentity implements Identity {
        @Override
        public Trust getTrust(OwnIdentity ownIdentity) {
                try {
-                       return trustCache.get(ownIdentity);
+                       synchronized (trustCache) {
+                               return trustCache.get(ownIdentity);
+                       }
                } catch (CacheException ce1) {
                        logger.log(Level.WARNING, "Could not get trust for OwnIdentity: " + ownIdentity, ce1);
                        return null;
@@ -265,7 +268,9 @@ public class DefaultIdentity implements Identity {
         *            The trust received for this identity
         */
        void setTrustPrivate(OwnIdentity ownIdentity, Trust trust) {
-               trustCache.put(ownIdentity, trust);
+               synchronized (trustCache) {
+                       trustCache.put(ownIdentity, trust);
+               }
        }
 
        //