/*
 This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2012 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;


/**
 *  Where clause for a query, conditions can be added by name.
 * 
 * @author rgansevles
 *
 * @since 6.1
 */

public interface IQueryBuilderWhereCondition extends IQueryBuilderLogicalCondition
{
	/**
	 * Add a named condition to the AND or OR condition list.
	 * <pre>
	 * query.where().add("mycond", query.getColumn("flag").eq(new Integer(1))).add(query.getColumn("value").isNull());
	 * </pre>
	 */
	IQueryBuilderWhereCondition add(String name, IQueryBuilderCondition condition) throws RepositoryException;


	/**
	 * Get the names for the conditions in the query where-clause.
	 */
	String[] conditionnames();

	/**
	 * Remove a named condition from the AND or OR condition list.
	 * <pre>
	 * query.where().remove("mycond");
	 * </pre>
	 */
	IQueryBuilderWhereCondition remove(String name);

	/**
	 * Clear the conditions in the query where-clause.
	 */
	IQueryBuilderWhereCondition clear();

	/**
	 * Get a named condition in the query where-clause.
	 */
	IQueryBuilderCondition getCondition(String name);
}