Merge "BUG-650: Split out CommitCoordinationTask"
[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / jmx / InternalJMXRegistrator.java
index 5d771560a53b5dd25a3ec2140b5c2bf74f1791c0..85ad8c51340c045cc051150ec9e6159fc7144fbb 100644 (file)
@@ -13,19 +13,20 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-
 import javax.annotation.concurrent.GuardedBy;
 import javax.management.InstanceAlreadyExistsException;
+import javax.management.InstanceNotFoundException;
 import javax.management.JMX;
+import javax.management.MBeanRegistrationException;
 import javax.management.MBeanServer;
+import javax.management.NotCompliantMBeanException;
 import javax.management.ObjectName;
 import javax.management.QueryExp;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class InternalJMXRegistrator implements Closeable {
-    private static final Logger logger = LoggerFactory
+    private static final Logger LOG = LoggerFactory
             .getLogger(InternalJMXRegistrator.class);
     private final MBeanServer configMBeanServer;
 
@@ -38,7 +39,7 @@ public class InternalJMXRegistrator implements Closeable {
         private final ObjectName on;
 
         InternalJMXRegistration(InternalJMXRegistrator internalJMXRegistrator,
-                ObjectName on) {
+                                ObjectName on) {
             this.internalJMXRegistrator = internalJMXRegistrator;
             this.on = on;
         }
@@ -51,16 +52,15 @@ public class InternalJMXRegistrator implements Closeable {
 
     @GuardedBy("this")
     private final Set<ObjectName> registeredObjectNames = new HashSet<>();
+    @GuardedBy("this")
     private final List<InternalJMXRegistrator> children = new ArrayList<>();
 
     public synchronized InternalJMXRegistration registerMBean(Object object,
-            ObjectName on) throws InstanceAlreadyExistsException {
+                                                              ObjectName on) throws InstanceAlreadyExistsException {
         try {
             configMBeanServer.registerMBean(object, on);
-        } catch (InstanceAlreadyExistsException e) {
-            throw e;
-        } catch (Exception e) {
-            throw new RuntimeException(e);
+        } catch (MBeanRegistrationException | NotCompliantMBeanException e) {
+            throw new IllegalStateException(e);
         }
         registeredObjectNames.add(on);
         return new InternalJMXRegistration(this, on);
@@ -69,20 +69,18 @@ public class InternalJMXRegistrator implements Closeable {
     private synchronized void unregisterMBean(ObjectName on) {
         // first check that on was registered using this instance
         boolean removed = registeredObjectNames.remove(on);
-        if (!removed)
-            throw new IllegalStateException(
-                    "Cannot unregister - ObjectName not found in 'registeredObjectNames': "
-                            + on);
+        if (!removed) {
+            throw new IllegalStateException("Cannot unregister - ObjectName not found in 'registeredObjectNames': " + on);
+        }
         try {
             configMBeanServer.unregisterMBean(on);
-        } catch (Exception e) {
-            throw new RuntimeException(e);
+        } catch (InstanceNotFoundException | MBeanRegistrationException e) {
+            throw new IllegalStateException(e);
         }
     }
 
-    public InternalJMXRegistrator createChild() {
-        InternalJMXRegistrator child = new InternalJMXRegistrator(
-                configMBeanServer);
+    public synchronized InternalJMXRegistrator createChild() {
+        InternalJMXRegistrator child = new InternalJMXRegistrator(configMBeanServer);
         children.add(child);
         return child;
     }
@@ -101,7 +99,7 @@ public class InternalJMXRegistrator implements Closeable {
             try {
                 configMBeanServer.unregisterMBean(on);
             } catch (Exception e) {
-                logger.warn("Ignoring error while unregistering {}", on, e);
+                LOG.warn("Ignoring error while unregistering {}", on, e);
             }
         }
         registeredObjectNames.clear();
@@ -112,7 +110,7 @@ public class InternalJMXRegistrator implements Closeable {
     }
 
     public <T> T newMBeanProxy(ObjectName objectName, Class<T> interfaceClass,
-            boolean notificationBroadcaster) {
+                               boolean notificationBroadcaster) {
         return JMX.newMBeanProxy(configMBeanServer, objectName, interfaceClass,
                 notificationBroadcaster);
     }
@@ -123,7 +121,7 @@ public class InternalJMXRegistrator implements Closeable {
     }
 
     public <T> T newMXBeanProxy(ObjectName objectName, Class<T> interfaceClass,
-            boolean notificationBroadcaster) {
+                                boolean notificationBroadcaster) {
         return JMX.newMXBeanProxy(configMBeanServer, objectName,
                 interfaceClass, notificationBroadcaster);
     }
@@ -138,7 +136,7 @@ public class InternalJMXRegistrator implements Closeable {
         return getSameNames(result);
     }
 
-    private Set<ObjectName> getSameNames(Set<ObjectName> superSet) {
+    private synchronized Set<ObjectName> getSameNames(Set<ObjectName> superSet) {
         Set<ObjectName> result = new HashSet<>(superSet);
         result.retainAll(registeredObjectNames);
         for (InternalJMXRegistrator child : children) {