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=77982310022a3256b8c57cb335ae73186cf75e1a;hb=61d78df4c74f93d77bc56eaa51280a8cead66209;hp=9dee6f91154cd3ef7f56abdecf723cfa43b877bc;hpb=b47a7130c10bef2bf812366ca971e4eaa938b152;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..77982310 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
@@ -21,16 +21,14 @@
 package org.oransc.policyagent.repository;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.oransc.policyagent.exceptions.ServiceException;
 
 public class PolicyTypes {
-    private Map<String, PolicyType> types = new HashMap<String, PolicyType>();
-
-    public PolicyTypes() {
-    }
+    private Map<String, PolicyType> types = new HashMap<>();
 
     public synchronized PolicyType getType(String name) throws ServiceException {
         PolicyType t = types.get(name);
@@ -48,19 +46,19 @@ 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();
     }
 }