Examples of org.apache.torque.map.DatabaseMap

org.apache.torque.map.DatabaseMap
DatabaseMap is used to model a database. @author John D. McNally @author Daniel Rall @version $Id: DatabaseMap.java 239630 2005-08-24 12:25:32Z henning $

    public static void doDelete(Criteria criteria, Connection con)
        throws TorqueException
    {
        String dbName = criteria.getDbName();
        final DB db = Torque.getDB(dbName);
        final DatabaseMap dbMap = Torque.getDatabaseMap(dbName);


        // This Callback adds all tables to the Table set which
        // are referenced from a cascading criteria. As a result, all
        // data that is referenced through foreign keys will also be
        // deleted.
        SQLBuilder.TableCallback tc = new SQLBuilder.TableCallback() {
                public void process (Set tables, String key, Criteria crit)
                {
                    if (crit.isCascade())
                    {
                        // This steps thru all the columns in the database.
                        TableMap[] tableMaps = dbMap.getTables();
                        for (int i = 0; i < tableMaps.length; i++)
                        {
                            ColumnMap[] columnMaps = tableMaps[i].getColumns();


                            for (int j = 0; j < columnMaps.length; j++)

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            throw new TorqueException("Database insert attempted without "
                    + "anything specified to insert");
        }


        String dbName = criteria.getDbName();
        DatabaseMap dbMap = Torque.getDatabaseMap(dbName);
        TableMap tableMap = dbMap.getTable(table);
        Object keyInfo = tableMap.getPrimaryKeyMethodInfo();
        IdGenerator keyGen = tableMap.getIdGenerator();


        ColumnMap pk = getPrimaryKey(criteria);

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        String table,
        String dbName,
        Criteria criteria)
        throws TorqueException
    {
        DatabaseMap dbMap = Torque.getDatabaseMap(dbName);


        ColumnMap[] columnMaps = dbMap.getTable(table).getColumns();
        boolean shouldSave = false;
        for (int j = 0; j < columnMaps.length; j++)
        {
            ColumnMap colMap = columnMaps[j];
            String colName = colMap.getColumnName();

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        String table = criteria.getTableName(key);
        ColumnMap pk = null;


        if (!table.equals(""))
        {
            DatabaseMap dbMap = Torque.getDatabaseMap(criteria.getDbName());
            if (dbMap == null)
            {
                throw new TorqueException("dbMap is null");
            }
            if (dbMap.getTable(table) == null)
            {
                throw new TorqueException("dbMap.getTable() is null");
            }


            ColumnMap[] columns = dbMap.getTable(table).getColumns();


            for (int i = 0; i < columns.length; i++)
            {
                if (columns[i].isPrimaryKey())
                {

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        Connection con)
        throws TorqueException
    {
        String dbName = criteria.getDbName();
        DB db = Torque.getDB(dbName);
        DatabaseMap dbMap = Torque.getDatabaseMap(dbName);


        Set tables = SQLBuilder.getTableSet(criteria, null);


        try
        {

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    private static void processTables(Criteria crit, Set tables, Connection con, ProcessCallback pc)
            throws Exception
    {
        String dbName = crit.getDbName();
        DB db = Torque.getDB(dbName);
        DatabaseMap dbMap = Torque.getDatabaseMap(dbName);


        // create the statements for the tables
        for (Iterator it = tables.iterator(); it.hasNext(); )
        {
            String table = (String) it.next();
            KeyDef kd = new KeyDef();
            Set whereClause = new HashSet();


            ColumnMap[] columnMaps = dbMap.getTable(table).getColumns();


            for (int j = 0; j < columnMaps.length; j++)
            {
                ColumnMap colMap = columnMaps[j];
                if (colMap.isPrimaryKey())

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    {
        Query query = new Query();


        final String dbName = crit.getDbName();
        final DB db = Torque.getDB(dbName);
        final DatabaseMap dbMap = Torque.getDatabaseMap(dbName);


        JoinBuilder.processJoins(db, dbMap, crit, query);
        processModifiers(crit, query);
        processSelectColumns(crit, query, dbName);
        processAsColumns(crit, query);

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    {
        if (dbMaps != null)
        {
            for (Iterator it = dbMaps.values().iterator(); it.hasNext();)
            {
                DatabaseMap map = (DatabaseMap) it.next();
                IDBroker idBroker = map.getIDBroker();
                if (idBroker != null)
                {
                    idBroker.stop();
                }
            }

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            throw new TorqueException("Torque was not initialized properly.");
        }


        synchronized (dbMaps)
        {
            DatabaseMap map = (DatabaseMap) dbMaps.get(name);
            if (map == null)
            {
                // Still not there.  Create and add.
                map = initDatabaseMap(name);
            }

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     *         rethrown wrapped into a TorqueException.
     */
    private final DatabaseMap initDatabaseMap(String name)
            throws TorqueException
    {
        DatabaseMap map = new DatabaseMap(name);


        // Add info about IDBroker's table.
        setupIdTable(map);


        // Setup other ID generators for this map.
        try
        {
            String key = getDatabaseProperty(name, "adapter");
            if (StringUtils.isEmpty(key))
            {
                key = getDatabaseProperty(name, "driver");
            }
            DB db = DBFactory.create(key);
            for (int i = 0; i < IDGeneratorFactory.ID_GENERATOR_METHODS.length;
                 i++)
            {
                map.addIdGenerator(IDGeneratorFactory.ID_GENERATOR_METHODS[i],
                        IDGeneratorFactory.create(db, name));
            }
        }
        catch (java.lang.InstantiationException e)
        {

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org.apache.commons.collections.map.ListOrderedMap

org.apache.torque.avalon.AvalonMapBuildersTest

org.apache.torque.criteria.CriteriaTest

org.apache.torque.Database

org.apache.torque.oid.IDBroker

org.apache.torque.sql.SqlBuilder

org.apache.torque.TorqueInstance

org.apache.torque.TorqueInstanceTest

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