Introducing simple merge strategy for config subsystem

[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..bc188515538485f9a13f87366a281a893a5984ae 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
@@ -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;
@@ -270,6 +272,20 @@ 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();