Using the platformManger service instead of using the DAO.

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -23,12 +23,14 @@ import org.wso2.carbon.device.application.mgt.common.*;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
 import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager;
+import org.wso2.carbon.device.application.mgt.common.services.PlatformManager;
 import org.wso2.carbon.device.application.mgt.core.dao.ApplicationDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.LifecycleStateDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.PlatformDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.common.DAOFactory;
 import org.wso2.carbon.device.application.mgt.core.exception.NotFoundException;
 import org.wso2.carbon.device.application.mgt.core.exception.ValidationException;
+import org.wso2.carbon.device.application.mgt.core.internal.DataHolder;
 import org.wso2.carbon.device.application.mgt.core.util.ConnectionManagerUtil;
 import org.wso2.carbon.device.application.mgt.core.util.HelperUtil;
 
@@ -66,9 +68,9 @@ public class ApplicationManagerImpl implements ApplicationManager {
             lifecycle.setGetLifecycleStateModifiedBy(application.getUser().getUserName());
             application.setCurrentLifecycle(lifecycle);
 
-            PlatformDAO platformDAO = DAOFactory.getPlatformDAO();
-            Platform platform = platformDAO.getPlatform(PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain(true),
-                    application.getPlatform().getIdentifier());
+            PlatformManager platformManager = DataHolder.getInstance().getPlatformManager();
+            Platform platform = platformManager.getPlatform(PrivilegedCarbonContext.getThreadLocalCarbonContext().
+                    getTenantDomain(true), application.getPlatform().getIdentifier());
             if (platform == null) {
                 throw new NotFoundException("Invalid platform");
             }