createquery.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 81 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.db.sql;

import com.caucho.db.Database;
import com.caucho.db.store.Transaction;
import com.caucho.db.table.TableFactory;
import com.caucho.log.Log;
import com.caucho.sql.SQLExceptionWrapper;

import java.sql.SQLException;
import java.util.logging.Logger;

public class CreateQuery extends Query {
  private static final Logger log = Log.open(CreateQuery.class);

  private TableFactory _factory;

  CreateQuery(Database db, String sql, TableFactory factory)
    throws SQLException
  {
    super(db, sql, null);
    
    _factory = factory;
  }

  /**
   * Returns the factory.
   */
  public TableFactory getFactory()
  {
    return _factory;
  }

  /**
   * Executes the query.
   */
  public void execute(QueryContext queryContext, Transaction xa)
    throws SQLException
  {
    try {
      _factory.create();
    } catch (java.io.IOException e) {
      throw new SQLExceptionWrapper(e);
    }
    
    queryContext.setRowUpdateCount(0);
  }

  public String toString()
  {
    return "CreateQuery[]";
  }
}