minor refactoring for getTenantId

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/device/details/mgt/impl/DeviceInformationManagerImpl.java

@@ -182,7 +182,7 @@ public class DeviceInformationManagerImpl implements DeviceInformationManager {
                 DeviceDetailsWrapper deviceDetailsWrapper = new DeviceDetailsWrapper();
                 deviceDetailsWrapper.setDevice(device);
                 deviceDetailsWrapper.setDeviceInfo(deviceInfo);
-                deviceDetailsWrapper.getJSONString();
+                deviceDetailsWrapper.setTenantId(DeviceManagerUtil.getTenantId());
                 GroupManagementProviderService groupManagementService = DeviceManagementDataHolder
                         .getInstance().getGroupManagementProviderService();
 
@@ -206,6 +206,11 @@ public class DeviceInformationManagerImpl implements DeviceInformationManager {
             } catch (UserStoreException e) {
                 log.error("Error occurred while getting role list", e);
             }
+        } else {
+            if(log.isTraceEnabled()) {
+                log.trace("Event publishing is not enabled for tenant "
+                        + DeviceManagerUtil.getTenantId());
+            }
         }
     }
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/util/DeviceManagerUtil.java

@@ -350,6 +350,11 @@ public final class DeviceManagerUtil {
         }
     }
 
+    public static int getTenantId() {
+        return PrivilegedCarbonContext
+                .getThreadLocalCarbonContext().getTenantId();
+    }
+
     public static int validateActivityListPageSize(int limit) throws OperationManagementException {
         if (limit == 0) {
             DeviceManagementConfig deviceManagementConfig = DeviceConfigurationManager.getInstance().