Fix checkstyle warnings in config-util

[controller.git] / opendaylight / config / config-util / src / main / java / org / opendaylight / controller / config / util / ConfigTransactionJMXClient.java

diff --git a/opendaylight/config/config-util/src/main/java/org/opendaylight/controller/config/util/ConfigTransactionJMXClient.java b/opendaylight/config/config-util/src/main/java/org/opendaylight/controller/config/util/ConfigTransactionJMXClient.java
index 4cf766a8120ef4c559eb45a9883c7583c1983f8b..a0af19796ebedfa5bedc809a5ce18f3b23d5858e 100644 (file)
--- a/opendaylight/config/config-util/src/main/java/org/opendaylight/controller/config/util/ConfigTransactionJMXClient.java
+++ b/opendaylight/config/config-util/src/main/java/org/opendaylight/controller/config/util/ConfigTransactionJMXClient.java
@@ -43,12 +43,13 @@ public class ConfigTransactionJMXClient implements ConfigTransactionClient {
     }
 
     public <T> T newMXBeanProxy(ObjectName on, Class<T> clazz) {
+        ObjectName onName = on;
         // if on is without transaction, add it. Reason is that when using getters on MXBeans the transaction name is stripped
-        on = ObjectNameUtil.withTransactionName(on, getTransactionName());
+        onName = ObjectNameUtil.withTransactionName(onName, getTransactionName());
         // if this is service reference and user requests for implementation, look it up
-        on = ConfigRegistryJMXClient.translateServiceRefIfPossible(on, clazz, configMBeanServer);
-        on = ObjectNameUtil.withTransactionName(on, getTransactionName());
-        return JMX.newMXBeanProxy(configMBeanServer, on, clazz);
+        onName = ConfigRegistryJMXClient.translateServiceRefIfPossible(onName, clazz, configMBeanServer);
+        onName = ObjectNameUtil.withTransactionName(onName, getTransactionName());
+        return JMX.newMXBeanProxy(configMBeanServer, onName, clazz);
     }
 
     /**
@@ -258,9 +259,10 @@ public class ConfigTransactionJMXClient implements ConfigTransactionClient {
 
     @Override
     public void setAttribute(ObjectName on, String attrName, Attribute attribute) {
-        if (ObjectNameUtil.getTransactionName(on) == null)
+        if (ObjectNameUtil.getTransactionName(on) == null) {
             throw new IllegalArgumentException("Not in transaction instance "
                     + on + ", no transaction name present");
+        }
 
         try {
             configMBeanServer.setAttribute(on, attribute);
@@ -270,6 +272,21 @@ public class ConfigTransactionJMXClient implements ConfigTransactionClient {
         }
     }
 
+    @Override
+    public Attribute getAttribute(ObjectName on, String attrName) {
+        if (ObjectNameUtil.getTransactionName(on) == null) {
+            throw new IllegalArgumentException("Not in transaction instance "
+                    + on + ", no transaction name present");
+        }
+
+        try {
+            return new Attribute(attrName, configMBeanServer.getAttribute(on,attrName));
+        } catch (JMException e) {
+            throw new IllegalStateException("Unable to get attribute "
+                    + attrName + " for " + on, e);
+        }
+    }
+
     @Override
     public Set<String> getAvailableModuleFactoryQNames() {
         return configTransactionControllerMXBeanProxy.getAvailableModuleFactoryQNames();