X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Frepository%2FPolicyTypes.java;h=7723983191a08800fba98f380f1f0ae773d9d4dd;hb=3482ea81c8189d5cfacf4005e1c92673304e11b3;hp=9dee6f91154cd3ef7f56abdecf723cfa43b877bc;hpb=de026fb34e3dc3200acdb022782fe68615176ead;p=nonrtric.git

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/repository/PolicyTypes.java b/policy-agent/src/main/java/org/oransc/policyagent/repository/PolicyTypes.java
index 9dee6f91..77239831 100644
--- a/policy-agent/src/main/java/org/oransc/policyagent/repository/PolicyTypes.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/repository/PolicyTypes.java
@@ -21,6 +21,7 @@
 package org.oransc.policyagent.repository;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -48,19 +49,19 @@ public class PolicyTypes {
         types.put(type.name(), type);
     }
 
-    public boolean contains(String policyType) {
+    public synchronized boolean contains(String policyType) {
         return types.containsKey(policyType);
     }
 
     public synchronized Collection<PolicyType> getAll() {
-        return types.values();
+        return Collections.unmodifiableCollection(types.values());
     }
 
-    public int size() {
+    public synchronized int size() {
         return types.size();
     }
 
-    public void clear() {
+    public synchronized void clear() {
         this.types.clear();
     }
 }