BUG-4514: clear destroyed modules
[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / util / OsgiRegistrationUtil.java
index 8873596642e43a8c460a8ee18fb7ef5fef8e9733..fe8e30ee9ad2816a63f38365fb39c032193dd798 100644 (file)
@@ -8,6 +8,11 @@
 
 package org.opendaylight.controller.config.manager.impl.util;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceRegistration;
 import org.osgi.util.tracker.BundleTracker;
@@ -15,17 +20,14 @@ import org.osgi.util.tracker.ServiceTracker;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.ListIterator;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
 public class OsgiRegistrationUtil {
-    private static final Logger logger = LoggerFactory.getLogger(OsgiRegistrationUtil.class);
+    private static final Logger LOG = LoggerFactory.getLogger(OsgiRegistrationUtil.class);
+
+    private OsgiRegistrationUtil() {
+    }
 
     @SafeVarargs
-    public static <T> AutoCloseable registerService(BundleContext bundleContext, T service, Class<? super T> ... interfaces) {
+    public static <T> AutoCloseable registerService(final BundleContext bundleContext, final T service, final Class<? super T> ... interfaces) {
         checkNotNull(service);
         checkNotNull(interfaces);
         List<AutoCloseable> autoCloseableList = new ArrayList<>();
@@ -46,7 +48,7 @@ public class OsgiRegistrationUtil {
         };
     }
 
-    public static AutoCloseable wrap(final BundleTracker bundleTracker) {
+    public static AutoCloseable wrap(final BundleTracker<?> bundleTracker) {
         checkNotNull(bundleTracker);
         return new AutoCloseable() {
             @Override
@@ -81,7 +83,7 @@ public class OsgiRegistrationUtil {
                     try {
                         ac.close();
                     } catch (Exception e) {
-                        logger.warn("Exception while closing {}", ac, e);
+                        LOG.warn("Exception while closing {}", ac, e);
                         if (firstException == null) {
                             firstException = e;
                         } else {