This commits fixes the issues of having the Application memory info and is-active flag with the DM_APPLICATION table, because those values should go to to DM_APPLICATION_MAPPING table. Change of the tables has happened.

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

@@ -225,6 +225,7 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
             applicationMappingDAO.removeApplicationMapping(device.getId(), appIdsToRemove, tenantId);
             Application installedApp;
             List<Integer> applicationIds = new ArrayList<>();
+            List<Application> applicationsToMap = new ArrayList<>();
 
             for (Application application : applications) {
                 // Adding N/A if application doesn't have a version. Also truncating the application version,
@@ -232,17 +233,18 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
                 if (application.getVersion() == null) {
                     application.setVersion("N/A");
                 } else if (application.getVersion().length() >
-                           DeviceManagementConstants.OperationAttributes.APPLIST_VERSION_MAX_LENGTH) {
+                        DeviceManagementConstants.OperationAttributes.APPLIST_VERSION_MAX_LENGTH) {
                     application.setVersion(StringUtils.abbreviate(application.getVersion(),
                             DeviceManagementConstants.OperationAttributes.APPLIST_VERSION_MAX_LENGTH));
                 }
                 if (!installedAppList.contains(application)) {
                     installedApp = applicationDAO.getApplication(application.getApplicationIdentifier(),
-                            application.getVersion(), tenantId);
+                            application.getVersion(), device.getId(), tenantId);
                     if (installedApp == null) {
                         appsToAdd.add(application);
                     } else {
-                        applicationIds.add(installedApp.getId());
+                        application.setId(installedApp.getId());
+                        applicationsToMap.add(application);
                     }
                 }
             }
@@ -250,11 +252,18 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
                 log.debug("num of apps add:" + appsToAdd.size());
             }
             applicationIds.addAll(applicationDAO.addApplications(appsToAdd, tenantId));
+            // Getting the applications ids for the second time
+            for (Application application : appsToAdd) {
+                installedApp = applicationDAO.getApplication(application.getApplicationIdentifier(),
+                        application.getVersion(), device.getId(), tenantId);
+                application.setId(installedApp.getId());
+                applicationsToMap.add(application);
+            }
 
             if (log.isDebugEnabled()) {
                 log.debug("num of app Ids:" + applicationIds.size());
             }
-            applicationMappingDAO.addApplicationMappings(device.getId(), applicationIds, tenantId);
+            applicationMappingDAO.addApplicationMappingsWithApps(device.getId(), applicationsToMap, tenantId);
 
             if (log.isDebugEnabled()) {
                 log.debug("num of remove app Ids:" + appIdsToRemove.size());
@@ -267,7 +276,7 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
             throw new ApplicationManagementException(msg, e);
         } catch (TransactionManagementException e) {
             String msg = "Error occurred while initializing transaction for saving application list to the device "
-                         + deviceIdentifier.toString();
+                    + deviceIdentifier.toString();
             log.error(msg, e);
             throw new ApplicationManagementException(msg, e);
         } catch (DeviceManagementException e) {
@@ -310,14 +319,14 @@ public class ApplicationManagerProviderServiceImpl implements ApplicationManagem
             throw new ApplicationManagementException(msg, e);
         } catch (SQLException e) {
             String msg = "Error occurred while opening a connection to the data source to get application " +
-                         "list of the device " + deviceId.toString();
+                    "list of the device " + deviceId.toString();
             log.error(msg, e);
             throw new ApplicationManagementException(msg, e);
         } catch (Exception e) {
             String msg = "Exception occurred getting application list of the device " + deviceId.toString();
             log.error(msg, e);
             throw new ApplicationManagementException(msg, e);
-        }  finally {
+        } finally {
             DeviceManagementDAOFactory.closeConnection();
         }
     }

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

@@ -34,5 +34,7 @@ public interface ApplicationDAO {
 
     Application getApplication(String identifier, String version,int tenantId) throws DeviceManagementDAOException;
 
+    Application getApplication(String identifier, String version, int deviceId, int tenantId) throws DeviceManagementDAOException;
+
     List<Application> getInstalledApplications(int deviceId) throws DeviceManagementDAOException;
 }

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

@@ -29,6 +29,9 @@ public interface ApplicationMappingDAO {
     void addApplicationMappings(int deviceId, List<Integer> applicationIds, int tenantId)
             throws DeviceManagementDAOException;
 
+    void addApplicationMappingsWithApps(int deviceId, List<Application> applications, int tenantId)
+            throws DeviceManagementDAOException;
+
     void removeApplicationMapping(int deviceId, List<Integer> appIdList, int tenantId)
             throws DeviceManagementDAOException;
 }

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

@@ -112,8 +112,6 @@ public class ApplicationDAOImpl implements ApplicationDAO {
         Connection conn;
         PreparedStatement stmt = null;
         ResultSet rs;
-        ByteArrayOutputStream bao = null;
-        ObjectOutputStream oos = null;
         List<Integer> applicationIds = new ArrayList<>();
         try {
             conn = this.getConnection();
@@ -133,14 +131,15 @@ public class ApplicationDAOImpl implements ApplicationDAO {
                 stmt.setString(7, application.getImageUrl());
                 stmt.setInt(8, tenantId);
 
-                bao = new ByteArrayOutputStream();
+                // Removing the application properties saving from the application table.
-                oos = new ObjectOutputStream(bao);
+                stmt.setBigDecimal(9, null);
-                oos.writeObject(application.getAppProperties());
-                stmt.setBytes(9, bao.toByteArray());
 
                 stmt.setString(10, application.getApplicationIdentifier());
-                stmt.setInt(11, application.getMemoryUsage());
+
-                stmt.setBoolean(12, application.isActive());
+                // Removing the application memory
+                stmt.setInt(11, 0);
+                stmt.setBoolean(12, true);
+
                 stmt.executeUpdate();
 
                 rs = stmt.getGeneratedKeys();
@@ -151,23 +150,7 @@ public class ApplicationDAOImpl implements ApplicationDAO {
             return applicationIds;
         } catch (SQLException e) {
             throw new DeviceManagementDAOException("Error occurred while adding bulk application list", e);
-        } catch (IOException e) {
-            throw new DeviceManagementDAOException("Error occurred while serializing application properties object", e);
         } finally {
-            if (bao != null) {
-                try {
-                    bao.close();
-                } catch (IOException e) {
-                    log.error("Error occurred while closing ByteArrayOutputStream", e);
-                }
-            }
-            if (oos != null) {
-                try {
-                    oos.close();
-                } catch (IOException e) {
-                    log.error("Error occurred while closing ObjectOutputStream", e);
-                }
-            }
             DeviceManagementDAOUtil.cleanupResources(stmt, null);
         }
     }
@@ -264,6 +247,38 @@ public class ApplicationDAOImpl implements ApplicationDAO {
         }
     }
 
+    @Override
+    public Application getApplication(String identifier, String version, int deviceId, int tenantId) throws DeviceManagementDAOException {
+        Connection conn;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        Application application = null;
+        try {
+            conn = this.getConnection();
+            stmt = conn.prepareStatement("SELECT ID,  NAME, APP_IDENTIFIER, PLATFORM, CATEGORY, VERSION, TYPE, " +
+                    "LOCATION_URL, IMAGE_URL, appmap.APP_PROPERTIES, appmap.MEMORY_USAGE, appmap.IS_ACTIVE, TENANT_ID " +
+                    "FROM DM_APPLICATION app INNER JOIN " +
+                    "(SELECT  APPLICATION_ID, APP_PROPERTIES, MEMORY_USAGE, IS_ACTIVE FROM DM_DEVICE_APPLICATION_MAPPING W" +
+                    "HERE  DEVICE_ID = ?) appmap WHERE app.APP_IDENTIFIER = ? AND app.VERSION = ? AND  " +
+                    "appmap.APPLICATION_ID = app.id  AND TENANT_ID = ?");
+            stmt.setInt(1, deviceId);
+            stmt.setString(2, identifier);
+            stmt.setString(3, version);
+            stmt.setInt(4, tenantId);
+            rs = stmt.executeQuery();
+
+            if (rs.next()) {
+                application = this.loadApplication(rs);
+            }
+            return application;
+        } catch (SQLException e) {
+            throw new DeviceManagementDAOException("Error occurred while retrieving application application '" +
+                    identifier + "' and version '" + version + "'.", e);
+        } finally {
+            DeviceManagementDAOUtil.cleanupResources(stmt, rs);
+        }
+    }
+
     private Connection getConnection() throws SQLException {
         return DeviceManagementDAOFactory.getConnection();
     }
@@ -278,9 +293,10 @@ public class ApplicationDAOImpl implements ApplicationDAO {
         try {
             conn = this.getConnection();
             stmt = conn.prepareStatement("Select ID, NAME, APP_IDENTIFIER, PLATFORM, CATEGORY, VERSION, TYPE, " +
-                    "LOCATION_URL, IMAGE_URL, APP_PROPERTIES, MEMORY_USAGE, IS_ACTIVE, TENANT_ID From DM_APPLICATION app  " +
+                    "LOCATION_URL, IMAGE_URL, APPMAP.APP_PROPERTIES, APPMAP.MEMORY_USAGE, APPMAP.IS_ACTIVE, " +
-                    "INNER JOIN " +
+                    "TENANT_ID From DM_APPLICATION app INNER JOIN " +
-                    "(Select APPLICATION_ID  From DM_DEVICE_APPLICATION_MAPPING WHERE  DEVICE_ID=?) APPMAP " +
+                    "(Select APPLICATION_ID,  APP_PROPERTIES, MEMORY_USAGE, IS_ACTIVE" +
+                    " From DM_DEVICE_APPLICATION_MAPPING WHERE  DEVICE_ID=?) APPMAP " +
                     "ON " +
                     "app.ID = APPMAP.APPLICATION_ID ");
 

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

@@ -28,9 +28,7 @@ import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.dao.util.DeviceManagementDAOUtil;
 import org.wso2.carbon.device.mgt.core.dto.operation.mgt.ProfileOperation;
 
-import java.io.ByteArrayInputStream;
+import java.io.*;
-import java.io.IOException;
-import java.io.ObjectInputStream;
 import java.sql.*;
 import java.util.ArrayList;
 import java.util.List;
@@ -38,6 +36,8 @@ import java.util.Properties;
 
 public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
 
+    private static final Log log = LogFactory.getLog(ApplicationMappingDAOImpl.class);
+
     @Override
     public int addApplicationMapping(int deviceId, int applicationId,
                                      int tenantId) throws DeviceManagementDAOException {
@@ -49,7 +49,7 @@ public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
             conn = this.getConnection();
             String sql = "INSERT INTO DM_DEVICE_APPLICATION_MAPPING (DEVICE_ID, APPLICATION_ID, " +
                     "TENANT_ID) VALUES (?, ?, ?)";
-            stmt = conn.prepareStatement(sql, new String[] {"id"});
+            stmt = conn.prepareStatement(sql, new String[]{"id"});
             stmt.setInt(1, deviceId);
             stmt.setInt(2, applicationId);
             stmt.setInt(3, tenantId);
@@ -69,7 +69,7 @@ public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
 
     @Override
     public void addApplicationMappings(int deviceId, List<Integer> applicationIds,
-                                                int tenantId) throws DeviceManagementDAOException {
+                                       int tenantId) throws DeviceManagementDAOException {
         Connection conn;
         PreparedStatement stmt = null;
         ResultSet rs = null;
@@ -96,6 +96,64 @@ public class ApplicationMappingDAOImpl implements ApplicationMappingDAO {
         }
     }
 
+    @Override
+    public void addApplicationMappingsWithApps(int deviceId, List<Application> applications, int tenantId)
+            throws DeviceManagementDAOException {
+
+        Connection conn;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        ByteArrayOutputStream bao = null;
+        ObjectOutputStream oos = null;
+
+        try {
+            conn = this.getConnection();
+            String sql = "INSERT INTO DM_DEVICE_APPLICATION_MAPPING (DEVICE_ID, APPLICATION_ID, APP_PROPERTIES, " +
+                    "MEMORY_USAGE, IS_ACTIVE, TENANT_ID) VALUES (?, ?, ?, ?, ?, ?)";
+
+            conn.setAutoCommit(false);
+            stmt = conn.prepareStatement(sql);
+
+            for (Application application : applications) {
+                stmt.setInt(1, deviceId);
+                stmt.setInt(2, application.getId());
+
+                bao = new ByteArrayOutputStream();
+                oos = new ObjectOutputStream(bao);
+                oos.writeObject(application.getAppProperties());
+                stmt.setBytes(3, bao.toByteArray());
+
+                stmt.setInt(4, application.getMemoryUsage());
+                stmt.setBoolean(5, application.isActive());
+
+                stmt.setInt(6, tenantId);
+                stmt.addBatch();
+            }
+            stmt.executeBatch();
+        } catch (SQLException e) {
+            throw new DeviceManagementDAOException("Error occurred while adding device application mappings", e);
+        } catch (IOException e) {
+            throw new DeviceManagementDAOException("Error occurred while serializing application properties object", e);
+        } finally {
+            if (bao != null) {
+                try {
+                    bao.close();
+                } catch (IOException e) {
+                    log.error("Error occurred while closing ByteArrayOutputStream", e);
+                }
+            }
+            if (oos != null) {
+                try {
+                    oos.close();
+                } catch (IOException e) {
+                    log.error("Error occurred while closing ObjectOutputStream", e);
+                }
+            }
+            DeviceManagementDAOUtil.cleanupResources(stmt, rs);
+        }
+
+    }
+
     @Override
     public void removeApplicationMapping(int deviceId, List<Integer> appIdList,
                                          int tenantId) throws DeviceManagementDAOException {

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/resources/sql/h2.sql

@@ -367,6 +367,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BLOB NULL,
+    MEMORY_USAGE INTEGER(10) NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/resources/sql-files/h2.sql

@@ -367,6 +367,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BLOB NULL,
+    MEMORY_USAGE INTEGER(10) NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/test/resources/sql/CreateH2TestDB.sql

@@ -418,6 +418,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BLOB NULL,
+    MEMORY_USAGE INTEGER(10) NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

features/device-mgt/org.wso2.carbon.device.mgt.basics.feature/src/main/resources/dbscripts/cdm/h2.sql

@@ -301,7 +301,7 @@ CREATE TABLE IF NOT EXISTS DM_POLICY_CRITERIA_PROPERTIES (
   POLICY_CRITERION_ID INT NOT NULL,
   PROP_KEY VARCHAR(45) NULL,
   PROP_VALUE VARCHAR(100) NULL,
-  CONTENT BLOB NULL COMMENT 'This is used to ',
+  CONTENT BLOB NULL,
   PRIMARY KEY (ID),
   CONSTRAINT FK_POLICY_CRITERIA_PROPERTIES
     FOREIGN KEY (POLICY_CRITERION_ID)
@@ -367,6 +367,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BLOB NULL,
+    MEMORY_USAGE INTEGER(10) NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

features/device-mgt/org.wso2.carbon.device.mgt.basics.feature/src/main/resources/dbscripts/cdm/mssql.sql

@@ -396,6 +396,9 @@ CREATE TABLE DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER IDENTITY(1,1) NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES VARBINARY(MAX) NULL,
+    MEMORY_USAGE INTEGER NULL,
+    IS_ACTIVE BIT NOT NULL DEFAULT 0,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT FK_DM_DEVICE FOREIGN KEY (DEVICE_ID) REFERENCES

features/device-mgt/org.wso2.carbon.device.mgt.basics.feature/src/main/resources/dbscripts/cdm/mysql.sql

@@ -411,6 +411,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BLOB NULL,
+    MEMORY_USAGE INTEGER(10) NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     PRIMARY KEY (ID),
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

features/device-mgt/org.wso2.carbon.device.mgt.basics.feature/src/main/resources/dbscripts/cdm/oracle.sql

@@ -715,6 +715,9 @@ CREATE TABLE DM_DEVICE_APPLICATION_MAPPING (
   ID NUMBER(10) NOT NULL,
   DEVICE_ID NUMBER(10) NOT NULL,
   APPLICATION_ID NUMBER(10) NOT NULL,
+  APP_PROPERTIES BLOB NULL,
+  MEMORY_USAGE NUMBER(10) NULL,
+  IS_ACTIVE NUMBER(10) DEFAULT 0 NOT NULL,
   TENANT_ID NUMBER(10) NOT NULL,
   CONSTRAINT PK_DM_DEVICE_APP_MAPPING PRIMARY KEY (ID),
   CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES

features/device-mgt/org.wso2.carbon.device.mgt.basics.feature/src/main/resources/dbscripts/cdm/postgresql.sql

@@ -357,6 +357,9 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE_APPLICATION_MAPPING (
     ID BIGSERIAL NOT NULL PRIMARY KEY,
     DEVICE_ID INTEGER NOT NULL,
     APPLICATION_ID INTEGER NOT NULL,
+    APP_PROPERTIES BYTEA NULL,
+    MEMORY_USAGE INTEGER NULL,
+    IS_ACTIVE BOOLEAN NOT NULL DEFAULT FALSE,
     TENANT_ID INTEGER NOT NULL,
     CONSTRAINT fk_dm_device FOREIGN KEY (DEVICE_ID) REFERENCES
     DM_DEVICE (ID) ON DELETE NO ACTION ON UPDATE NO ACTION,