package org.apache.ojb.broker.accesslayer.sql;

 /* Copyright 2002-2005 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import org.apache.ojb.broker.metadata.FieldDescriptor;

 import org.apache.ojb.broker.query.Query;

 /**

  * This class

  *

  * @author <a href="mailto:arminw@apache.org">Armin Waibel</a>

  * @version $Id: SelectStatement.java,v 1.1 2007-08-24 22:17:39 ewestfal Exp $

  */

 public interface SelectStatement extends SqlStatement

 {   

     /**

      * Returns the {@link org.apache.ojb.broker.query.Query} instance

      * this statement based on.

      * @return The {@link org.apache.ojb.broker.query.Query} instance or <em>null</em>

      * if no query is used to generate the select string.

      */

     public Query getQueryInstance();

     /**

      * Returns the column index of the specified {@link org.apache.ojb.broker.metadata.FieldDescriptor}

      * in the {@link java.sql.ResultSet} after performing the query.

      *

      * @param fld The {@link org.apache.ojb.broker.metadata.FieldDescriptor}.

      * @return The column index or {@link org.apache.ojb.broker.metadata.JdbcType#MIN_INT} if

      * column index is not supported.

      */

     public int getColumnIndex(FieldDescriptor fld);

 }