Package net.sourceforge.squirrel_sql.plugins.mysql.action

Source Code of net.sourceforge.squirrel_sql.plugins.mysql.action.RenameTableCommand

package net.sourceforge.squirrel_sql.plugins.mysql.action;
/*
* Copyright (C) 2003 Colin Bell
* colbell@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
import net.sourceforge.squirrel_sql.client.plugin.IPlugin;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.SQLExecuterTask;
import net.sourceforge.squirrel_sql.client.session.DefaultSQLExecuterHandler;
import net.sourceforge.squirrel_sql.fw.sql.ITableInfo;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
/**
* This command will rename a database table.
*
* @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
*/
public class RenameTableCommand
{
  /** Internationalized strings for this class. */
  private static final StringManager s_stringMgr =
    StringManagerFactory.getStringManager(RenameTableCommand.class);

  /** Current session. */
  private final ISession _session;

  /** Current plugin. */
  private final IPlugin _plugin;

  /** Table to be renamed. */
  private final ITableInfo _ti;

  /** New name for table. */
  private final String _newTableName;

  /**
   * Ctor.
   *
   * @param  session      Session to rename table within.
   * @param  plugin      Current plugin.
   * @param  ti        Points to table to be renamed.
   * @param  newTableName  New name for table.
   */
  RenameTableCommand(ISession session, IPlugin plugin, ITableInfo ti,
            String newTableName)
  {
    super();

    if (session == null)
    {
      throw new IllegalArgumentException("ISession == null");
    }
    if (plugin == null)
    {
      throw new IllegalArgumentException("IPlugin == null");
    }
    if (ti == null)
    {
      throw new IllegalArgumentException("ITableInfo == null");
    }
    if (newTableName == null || newTableName.length() == 0)
    {
      throw new IllegalArgumentException("New table name empty");
    }

    _session = session;
    _plugin = plugin;
    _ti = ti;
    _newTableName = newTableName;
  }

  public void execute()
  {
    String cmd = "rename table " + _ti.getQualifiedName() + " to " + _newTableName;
      SQLExecuterTask executer = new SQLExecuterTask(_session, cmd, new DefaultSQLExecuterHandler(_session));
      executer.run();
      _session.getSchemaInfo().reloadAllTables();
  }
}
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