Code refactor application update

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/app/mgt/Application.java

@@ -118,35 +118,6 @@ public class Application implements Serializable {
         }
 
         Application that = (Application) o;
-
-        if (id != that.id) {
-            return false;
-        }
-        if (appProperties != null ? !appProperties.equals(that.appProperties) : that.appProperties != null) {
-            return false;
-        }
-
-        if (category != null ? !category.equals(that.category) : that.category != null) {
-            return false;
-        }
-        if (imageUrl != null ? !imageUrl.equals(that.imageUrl) : that.imageUrl != null) {
-            return false;
-        }
-        if (locationUrl != null ? !locationUrl.equals(that.locationUrl) : that.locationUrl != null) {
-            return false;
-        }
-        if (name != null ? !name.equals(that.name) : that.name != null) {
-            return false;
-        }
-        if (platform != null ? !platform.equals(that.platform) : that.platform != null) {
-            return false;
-        }
-        if (type != null ? !type.equals(that.type) : that.type != null) {
-            return false;
-        }
-        if (version != null ? !version.equals(that.version) : that.version != null) {
-            return false;
-        }
         if (applicationIdentifier != null ? !applicationIdentifier.equals(that.applicationIdentifier) : that.applicationIdentifier != null) {
             return false;
         }
@@ -156,14 +127,6 @@ public class Application implements Serializable {
     @Override
     public int hashCode() {
         int result = id;
-        result = 31 * result + (platform != null ? platform.hashCode() : 0);
-        result = 31 * result + (category != null ? category.hashCode() : 0);
-        result = 31 * result + (name != null ? name.hashCode() : 0);
-        result = 31 * result + (locationUrl != null ? locationUrl.hashCode() : 0);
-        result = 31 * result + (imageUrl != null ? imageUrl.hashCode() : 0);
-        result = 31 * result + (version != null ? version.hashCode() : 0);
-        result = 31 * result + (type != null ? type.hashCode() : 0);
-        result = 31 * result + (appProperties != null ? appProperties.hashCode() : 0);
         result = 31 * result + (applicationIdentifier != null ? applicationIdentifier.hashCode() : 0);
         return result;
     }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/app/mgt/ApplicationManagerProviderServiceImpl.java

@@ -184,33 +184,66 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
         int tenantId = getTenantId();
 
         try {
+            DeviceManagementDAOFactory.beginTransaction();
             Device device = deviceDAO.getDevice(deviceIdentifier, tenantId);
 
+            if (log.isDebugEnabled()) {
+                log.debug("Device:" + device.getId() + ":identifier:" + deviceIdentifier.getId());
+            }
+
             List<Application> installedAppList = getApplicationListForDevice(deviceIdentifier);
+
+            if (log.isDebugEnabled()) {
+                log.debug("num of apps installed:" + installedAppList.size());
+            }
             List<Application> appsToAdd = new ArrayList<Application>();
             List<Integer> appIdsToRemove = new ArrayList<Integer>();
 
             for(Application installedApp:installedAppList){
                 if (!applications.contains(installedApp)){
+                    if (log.isDebugEnabled()) {
+                        log.debug("Remove app Id:" + installedApp.getId());
+                    }
                     appIdsToRemove.add(installedApp.getId());
                 }
             }
 
+            Application installedApp;
+            List<Integer> applicationIds = new ArrayList<>();
+
             for(Application application:applications){
-                if (!installedAppList.contains(application)){
+                if (!installedAppList.contains(application)) {
+                    installedApp = applicationDAO.getApplication(application.getApplicationIdentifier(), tenantId);
+                    if (installedApp == null){
                         appsToAdd.add(application);
+                    }else{
+                        applicationIds.add(installedApp.getId());
                     }
                 }
+            }
+            if (log.isDebugEnabled()) {
+                log.debug("num of apps add:" + appsToAdd.size());
+            }
+            applicationIds.addAll(applicationDAO.addApplications(appsToAdd, tenantId));
 
-
+            if (log.isDebugEnabled()) {
-            List<Integer> applicationIds = applicationDAO.addApplications(appsToAdd, tenantId);
+                log.debug("num of app Ids:" + applicationIds.size());
+            }
             applicationMappingDAO.addApplicationMappings(device.getId(), applicationIds, tenantId);
 
+            if (log.isDebugEnabled()) {
+                log.debug("num of remove app Ids:" + appIdsToRemove.size());
+            }
             applicationMappingDAO.removeApplicationMapping(device.getId(), appIdsToRemove,tenantId);
-
+            DeviceManagementDAOFactory.commitTransaction();
         } catch (DeviceManagementDAOException deviceDaoEx) {
             String errorMsg = "Error occurred saving application list to the device";
             log.error(errorMsg + ":" + deviceIdentifier.toString());
+            try {
+                DeviceManagementDAOFactory.rollbackTransaction();
+            } catch (DeviceManagementDAOException e) {
+                log.error("Error occurred while roll back transaction",e);
+            }
             throw new ApplicationManagementException(errorMsg, deviceDaoEx);
         }
     }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/ApplicationDAOImpl.java

@@ -101,14 +101,13 @@ public class ApplicationDAOImpl implements ApplicationDAO {
                 stmt.setInt(8, tenantId);
                 stmt.setObject(9,application.getAppProperties());
                 stmt.setString(10,application.getApplicationIdentifier());
-                stmt.addBatch();
+                stmt.executeUpdate();
-            }
-            stmt.executeBatch();
 
                 rs = stmt.getGeneratedKeys();
-            while (rs.next()) {
+                if (rs.next()){
                     applicationIds.add(rs.getInt(1));
                 }
+            }
             return applicationIds;
         } catch (SQLException e) {
             throw new DeviceManagementDAOException("Error occurred while adding bulk application list", e);
@@ -228,6 +227,7 @@ public class ApplicationDAOImpl implements ApplicationDAO {
 
         Application application = new Application();
         try {
+            application.setId(rs.getInt("ID"));
             application.setName(rs.getString("NAME"));
             application.setType(rs.getString("TYPE"));
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/ApplicationMappingDAOImpl.java

@@ -108,11 +108,12 @@ public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
         Connection conn;
         ResultSet rs;
         int mappingId = -1;
+        PreparedStatement stmt = null;
         try {
             conn = this.getConnection();
             String sql = "DELETE DM_DEVICE_APPLICATION_MAPPING WHERE DEVICE_ID = ? AND " +
                     "APPLICATION_ID = ? AND TENANT_ID = ?";
-            PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
+            stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
 
             for(Integer appId:appIdList){
                 stmt.setInt(1, deviceId);
@@ -123,6 +124,8 @@ public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
             stmt.executeBatch();
        } catch (SQLException e) {
             throw new DeviceManagementDAOException("Error occurred while adding device application mapping", e);
+        }finally {
+            DeviceManagementDAOUtil.cleanupResources(stmt, null);
         }
     }
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/app/mgt/ApplicationManagementProviderServiceTest.java

@@ -62,10 +62,12 @@ public class ApplicationManagementProviderServiceTest {
         Application application1 =  TestDataHolder.generateApplicationDummyData("org.wso2.app1");
         Application application2 = TestDataHolder.generateApplicationDummyData("org.wso2.app2");
         Application application3 = TestDataHolder.generateApplicationDummyData("org.wso2.app3");
+        Application application4 = TestDataHolder.generateApplicationDummyData("org.wso2.app4");
 
         applications.add(application1);
         applications.add(application2);
         applications.add(application3);
+        applications.add(application4);
 
         Device device =  TestDataHolder.initialTestDevice;
         DeviceIdentifier deviceIdentifier = new DeviceIdentifier();
@@ -83,15 +85,17 @@ public class ApplicationManagementProviderServiceTest {
             Assert.fail(msg, appMgtEx);
         }
 
-        Application application4 = TestDataHolder.generateApplicationDummyData("org.wso2.app3");
+        Application application5 = TestDataHolder.generateApplicationDummyData("org.wso2.app5");
         applications = new ArrayList<Application>();
         applications.add(application4);
         applications.add(application3);
+        applications.add(application5);
 
         try {
             appMgtProvider.updateApplicationListInstalledInDevice(deviceIdentifier, applications);
             List<Application> installedApps = appMgtProvider.getApplicationListForDevice(deviceIdentifier);
-            Assert.assertEquals(installedApps.size(),2,"Num of installed applications should be two");
+            log.info("Number of installed applications:"+installedApps.size());
+            Assert.assertEquals(installedApps.size(),3,"Num of installed applications should be two");
         } catch (ApplicationManagementException appMgtEx){
             String msg = "Error occurred while updating app list '" + TestDataHolder.TEST_DEVICE_TYPE + "'";
             log.error(msg, appMgtEx);