Examples of com.scooterframework.orm.sqldataexpress.connection.UserDatabaseConnection

Package com.scooterframework.orm.sqldataexpress.connection

Examples of com.scooterframework.orm.sqldataexpress.connection.UserDatabaseConnection

com.scooterframework.orm.sqldataexpress.connection.UserDatabaseConnection
UserDatabaseConnection interface allows access to both connection and connection context. @author (Fei) John Chen

        bTransactionHasEnded = true;
        
        try {
            Iterator<UserDatabaseConnection> it = connList.iterator();
            while(it.hasNext()) {
                UserDatabaseConnection udc = it.next();
                DAOUtil.closeConnection(udc.getConnection());
            }
            connList.clear();
            nameConnMap.clear();
            
            bAllResourcesReleased = true;

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     *
     * @param connectionName     name of a connection
     * @return UserDatabaseConnection
     */
    public UserDatabaseConnection getConnection(String connectionName) {
        UserDatabaseConnection udc = getCachedUserDatabaseConnection(connectionName);
        
        //create a new UserDatabaseConnection
        if (udc == null) {
            udc = UserDatabaseConnectionFactory.getInstance().createUserDatabaseConnection(connectionName);
            registerResource(udc.getConnectionName(), udc);
        }
        
        return udc;
    }

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     */
    public UserDatabaseConnection getConnection(DatabaseConnectionContext dcc) {
        if (dcc == null) throw new IllegalArgumentException("Input DatabaseConnectionContext instance is null.");
        
        String connectionName = dcc.getConnectionName();
        UserDatabaseConnection udc = getCachedUserDatabaseConnection(connectionName);
        
        //create a new UserDatabaseConnection
        if (udc == null) {
            udc = UserDatabaseConnectionFactory.getInstance().createUserDatabaseConnection(dcc);
            registerResource(connectionName, udc);

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            throw new IllegalArgumentException("Function name is empty.");
        
        String errorMessage = "Failed to get meta data info for function " + function;
        Function f = DBStore.getInstance().getFunction(function);
        if (f == null) {
          UserDatabaseConnection udc = null;
            try {
                udc = SqlExpressUtil.getUserDatabaseConnection();
                f = lookupFunction(udc, function);
            }
            catch(Exception ex) {
                errorMessage += ", because " + ex.getMessage() + ".";
            }
            finally {
                DAOUtil.closeConnection(udc.getConnection());
            }
            
            if (f != null) {
                DBStore.getInstance().addFunction(function, f);
            }

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            throw new IllegalArgumentException("Stored procedure name is empty.");
        
        String errorMessage = "Failed to get meta data info for stored procedur " + storedProcedure;
        StoredProcedure sp = DBStore.getInstance().getStoredProcedure(storedProcedure);
        if (sp == null) {
          UserDatabaseConnection udc = null;
            try {
                udc = SqlExpressUtil.getUserDatabaseConnection();
                sp = lookupStoredProcedure(udc, storedProcedure);
            }
            catch(Exception ex) {
                errorMessage += ", because " + ex.getMessage() + ".";
            }
            finally {
                DAOUtil.closeConnection(udc.getConnection());
            }
            
            if (sp != null) {
                DBStore.getInstance().addStoredProcedure(storedProcedure, sp);
            }

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            throw new IllegalArgumentException("tableName cannot be null.");
        
        TableInfo ti = DBStore.getInstance().getTableInfo(connName, tableName);
        if (ti != null) return ti;
        
        UserDatabaseConnection udc = null;
        try {
          udc = SqlExpressUtil.getUserDatabaseConnection(connName);
          ti = _lookupAndRegisterTableInfo(udc, tableName);
        }
        finally {

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        try {
            tm.beginTransactionImplicit();


            //if (log.isDebugEnabled()) displayDS((String)inputs.get(DataProcessor.input_key_database_connection_name), "beforeConnection");


            UserDatabaseConnection connection = findOrCreateConnection(inputs);


            //if (log.isDebugEnabled()) displayDS((String)inputs.get(DataProcessor.input_key_database_connection_name), "beforeExecute");
            returnTO = executeKeepConnection(connection, inputs, processorType, processorName, outputFilters);
            //if (log.isDebugEnabled()) displayDS((String)inputs.get(DataProcessor.input_key_database_connection_name), "afterExecute");

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        try {
            tm.beginTransactionImplicit();


            for (InputInfo ip : inputInfoList) {
                UserDatabaseConnection connection = findOrCreateConnection(ip);
                OmniDTO returnTO = executeKeepConnection(connection, ip.getInputs(), ip.getProcessorType(), ip.getProcessorName(), ip.getOutputFilters());
                returnTOList.add(returnTO);


                //now execute child InputInfo
                Collection<InputInfo> childList = ip.getChildInputInfoObjects();

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        try {
            tm.beginTransactionImplicit();


            InputInfo ip = inputInfo;
            UserDatabaseConnection udc = findOrCreateConnection(ip);
            udc.getConnection().setReadOnly(true);


            returnTO = executeKeepConnection(udc, ip.getInputs(), ip.getProcessorType(), ip.getProcessorName(), ip.getOutputFilters());
            log.debug("parent: " + returnTO);


            //now execute child InputInfo

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     *
     * @param inputs    Map of inputs
     * @return UserDatabaseConnection object
     */
    private UserDatabaseConnection findOrCreateConnection(Map<String, Object> inputs) {
      UserDatabaseConnection udc = null;
        DatabaseConnectionContext dcc =
            (DatabaseConnectionContext)inputs.get(DataProcessor.input_key_database_connection_context);
        String connectionName = (String)inputs.get(DataProcessor.input_key_database_connection_name);
        if (dcc != null && connectionName != null) {
            throw new IllegalArgumentException("You cannot have both connection name and dcc in the same inputs map.");

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Related Classes of com.scooterframework.orm.sqldataexpress.connection.UserDatabaseConnection

com.scooterframework.orm.sqldataexpress.service.SqlServiceImpl

com.scooterframework.orm.sqldataexpress.util.SqlExpressUtil

com.scooterframework.transaction.AbstractTransactionImpl

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