/*
This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2011 Servoy BV
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option) any
later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along
with this program; if not, see http://www.gnu.org/licenses or write to the Free
Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
*/
package com.servoy.j2db.querybuilder;
import com.servoy.j2db.persistence.RepositoryException;
/**
* Common interface for table based clauses in a Servoy Query Objects builder.
* <p>Current instances: {@link IQueryBuilder}: query and {@link IQueryBuilderJoin} join.
*
* @author rgansevles
*
* @since 6.1
*/
public interface IQueryBuilderTableClause extends IQueryBuilderPart
{
/**
* @return the dataSource
*/
String getDataSource();
/**
* @return the tableAlias
*/
String getTableAlias();
/**
* Get a column from the table.
*/
IQueryBuilderColumn getColumn(String name) throws RepositoryException;
/**
* Get a column from the table with given alias.
* The alias may be of the main table or any level deep joined table.
*/
IQueryBuilderColumn getColumn(String tableAlias, String name) throws RepositoryException;
/**
* Get the joins clause of this table based clause.
* Joins added to this clause will be based on this table clauses table.
*/
IQueryBuilderJoins joins() throws RepositoryException;
}