OSGi improvement to #977

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/ActivityDataPurgingServiceComponent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ * Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
  *
  * WSO2 Inc. licenses this file to you under the Apache License,
  * Version 2.0 (the "License"); you may not use this file except
@@ -15,12 +15,18 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.wso2.carbon.device.mgt.core.internal;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.osgi.service.component.ComponentContext;
+import org.wso2.carbon.device.mgt.core.archival.dao.ArchivalDestinationDAOFactory;
+import org.wso2.carbon.device.mgt.core.archival.dao.ArchivalSourceDAOFactory;
 import org.wso2.carbon.device.mgt.core.config.DeviceConfigurationManager;
+import org.wso2.carbon.device.mgt.core.config.DeviceManagementConfig;
+import org.wso2.carbon.device.mgt.core.config.datasource.DataSourceConfig;
+import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.device.mgt.core.task.ArchivalTaskManager;
 import org.wso2.carbon.device.mgt.core.task.impl.ArchivalTaskManagerImpl;
 import org.wso2.carbon.ntask.core.service.TaskService;
@@ -33,6 +39,12 @@ import org.wso2.carbon.ntask.core.service.TaskService;
  * policy="dynamic"
  * bind="setTaskService"
  * unbind="unsetTaskService"
+ * @scr.reference name="org.wso2.carbon.device.manager"
+ * interface="org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService"
+ * cardinality="1..1"
+ * policy="dynamic"
+ * bind="setDeviceManagementService"
+ * unbind="unsetDeviceManagementService"
  */
 public class ActivityDataPurgingServiceComponent {
     private static Log log = LogFactory.getLog(ActivityDataPurgingServiceComponent.class);
@@ -42,25 +54,45 @@ public class ActivityDataPurgingServiceComponent {
             if (log.isDebugEnabled()) {
                 log.debug("Initializing activity data archival task manager bundle.");
             }
+
+            /* Initialising data archival configurations */
+            DeviceManagementConfig config =
+                    DeviceConfigurationManager.getInstance().getDeviceManagementConfig();
+
+            boolean archivalTaskEnabled = false;
+            boolean purgingTaskEnabled = false;
+
+            if (config.getArchivalConfiguration() != null
+                && config.getArchivalConfiguration().getArchivalTaskConfiguration() != null){
+                archivalTaskEnabled = config.getArchivalConfiguration().getArchivalTaskConfiguration().isEnabled();
+                purgingTaskEnabled = config.getArchivalConfiguration().getArchivalTaskConfiguration()
+                                              .getPurgingTaskConfiguration() != null
+                                      && config.getArchivalConfiguration()
+                                              .getArchivalTaskConfiguration().getPurgingTaskConfiguration().isEnabled();
+            }
+
+            if (archivalTaskEnabled || purgingTaskEnabled) {
+                DataSourceConfig dsConfig = config.getDeviceManagementConfigRepository().getDataSourceConfig();
+                ArchivalSourceDAOFactory.init(dsConfig);
+                DataSourceConfig purgingDSConfig = config.getArchivalConfiguration().getDataSourceConfig();
+                ArchivalDestinationDAOFactory.init(purgingDSConfig);
+            }
+
             ArchivalTaskManager archivalTaskManager = new ArchivalTaskManagerImpl();
 
             // This will start the data archival task
-            boolean purgingTaskEnabled =
+            if (archivalTaskEnabled) {
-                    DeviceConfigurationManager.getInstance().getDeviceManagementConfig().getArchivalConfiguration()
-                            .getArchivalTaskConfiguration().isEnabled();
-
-            if (purgingTaskEnabled) {
                 archivalTaskManager.scheduleArchivalTask();
+                log.info("Data archival task has been scheduled.");
             } else {
-                log.warn("Data archival task has been disabled. It is recommended to enable archival task to prune the " +
+                log.warn("Data archival task has been disabled. It is recommended to enable archival task to " +
-                        "transactional databases tables time to time.");
+                         "prune the transactional databases tables time to time if you are using MySQL.");
             }
+            
             // This will start the data deletion task.
-            boolean deletionTaskEnabled =
+            if (purgingTaskEnabled) {
-                    DeviceConfigurationManager.getInstance().getDeviceManagementConfig().getArchivalConfiguration()
-                            .getArchivalTaskConfiguration().getPurgingTaskConfiguration().isEnabled();
-            if (deletionTaskEnabled) {
                 archivalTaskManager.scheduleDeletionTask();
+                log.info("Data purging task has been scheduled for archived data.");
             }
         } catch (Throwable e) {
             log.error("Error occurred while initializing activity data archival task manager service.", e);
@@ -81,6 +113,14 @@ public class ActivityDataPurgingServiceComponent {
         DeviceManagementDataHolder.getInstance().setTaskService(null);
     }
 
+    protected void setDeviceManagementService(DeviceManagementProviderService deviceManagementService){
+
+    }
+
+    protected void unsetDeviceManagementService(DeviceManagementProviderService deviceManagementService){
+
+    }
+
     @SuppressWarnings("unused")
     protected void deactivate(ComponentContext componentContext) {
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java

@@ -38,8 +38,6 @@ import org.wso2.carbon.device.mgt.core.app.mgt.ApplicationManagementProviderServ
 import org.wso2.carbon.device.mgt.core.app.mgt.ApplicationManagerProviderServiceImpl;
 import org.wso2.carbon.device.mgt.core.app.mgt.config.AppManagementConfig;
 import org.wso2.carbon.device.mgt.core.app.mgt.config.AppManagementConfigurationManager;
-import org.wso2.carbon.device.mgt.core.archival.dao.ArchivalDestinationDAOFactory;
-import org.wso2.carbon.device.mgt.core.archival.dao.ArchivalSourceDAOFactory;
 import org.wso2.carbon.device.mgt.core.authorization.DeviceAccessAuthorizationServiceImpl;
 import org.wso2.carbon.device.mgt.core.config.DeviceConfigurationManager;
 import org.wso2.carbon.device.mgt.core.config.DeviceManagementConfig;
@@ -169,11 +167,6 @@ public class DeviceManagementServiceComponent {
             /* Initialize Operation Manager */
             this.initOperationsManager();
 
-            /* Initialising data archival configurations */
-            ArchivalSourceDAOFactory.init(dsConfig);
-            DataSourceConfig purgingDSConfig = config.getArchivalConfiguration().getDataSourceConfig();
-            ArchivalDestinationDAOFactory.init(purgingDSConfig);
-
             PushNotificationProviderRepository pushNotificationRepo = new PushNotificationProviderRepository();
             List<String> pushNotificationProviders = config.getPushNotificationConfiguration()
                     .getPushNotificationProviders();