X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fconfig%2Fconfig-util%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fconfig%2Futil%2FConfigTransactionJMXClient.java;h=20e26f6508513a70c60694586e8351e9e84709bc;hp=4cf766a8120ef4c559eb45a9883c7583c1983f8b;hb=73e969cf365dd78772596c71e940ae44fe2f22d3;hpb=00a8425f94b376e11050175b2c541c31e6b0e2cc

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 4cf766a812..20e26f6508 100644
--- 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
@@ -9,6 +9,7 @@ package org.opendaylight.controller.config.util;
 
 import java.util.Map;
 import java.util.Set;
+
 import javax.management.Attribute;
 import javax.management.InstanceAlreadyExistsException;
 import javax.management.InstanceNotFoundException;
@@ -17,6 +18,7 @@ import javax.management.JMX;
 import javax.management.MBeanException;
 import javax.management.MBeanServer;
 import javax.management.ObjectName;
+
 import org.opendaylight.controller.config.api.ConflictingVersionException;
 import org.opendaylight.controller.config.api.ValidationException;
 import org.opendaylight.controller.config.api.jmx.CommitStatus;
@@ -43,12 +45,13 @@ 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 +261,10 @@ 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 +274,21 @@ 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();