X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-common-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fcommon%2Fimpl%2FListenerRegistry.java;h=f337b5509e1a4cda6d4c1488bef048be5d8adeef;hp=fed75f72bee5229beb26ddc3fe88e257749d8137;hb=de3e413b633b7555ae8f3fe2ec163dbb7dda5da8;hpb=2c7c9ef5e517de98e0d740f938762cc746dbcde1

diff --git a/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/ListenerRegistry.java b/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/ListenerRegistry.java
index fed75f72be..f337b5509e 100644
--- a/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/ListenerRegistry.java
+++ b/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/ListenerRegistry.java
@@ -7,13 +7,12 @@
  */
 package org.opendaylight.controller.md.sal.common.impl;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
 import java.util.Collections;
 import java.util.EventListener;
 import java.util.HashSet;
 import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-
-import static com.google.common.base.Preconditions.*;
 
 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
@@ -32,15 +31,15 @@ public class ListenerRegistry<T extends EventListener> {
         return unmodifiableView;
     }
 
-    
+
     public ListenerRegistration<T> register(T listener) {
         checkNotNull(listener, "Listener should not be null.");
         ListenerRegistrationImpl<T> ret = new ListenerRegistrationImpl<T>(listener);
         listeners.add(ret);
         return ret;
     }
-    
-    
+
+
     @SuppressWarnings("rawtypes")
     private void remove(ListenerRegistrationImpl registration) {
         listeners.remove(registration);