/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Kowari Metadata Store.
*
* The Initial Developer of the Original Code is Plugged In Software Pty
* Ltd (http://www.pisoftware.com, mailto:info@pisoftware.com). Portions
* created by Plugged In Software Pty Ltd are Copyright (C) 2001,2002
* Plugged In Software Pty Ltd. All Rights Reserved.
*
* Contributor(s):
* The copyright on this file is held by:
* The Australian Commonwealth Government
* Department of Defense
* Developed by Netymon Pty Ltd
* under contract 4500430665
* contributed to the Mulgara Project under the
* Mozilla Public License version 1.1
* per clause 4.1.3 of the above contract.
*
* Modified 2006-04 by Netymon Pty Ltd under contract
* 4500507038. Contributed to the Mulgara Project
* (per clause 4.1.4) undr the Mozilla Public License
* version 1.1 per clause 4.1.3 of the above contract.
*
* [NOTE: The text of this Exhibit A may differ slightly from the text
* of the notices in the Source Code files of the Original Code. You
* should use the text of this Exhibit A rather than the text found in the
* Original Code Source Code for Your Modifications.]
*
*/
package org.mulgara.resolver.spi;
// Third party packages
import org.apache.log4j.Logger;
// Local packages
import org.mulgara.query.ConstraintExpression;
import org.mulgara.query.Query;
/**
* A local-coordinate counterpart of a global-coordinate {@link Query}.
*
* Unlike {@link Query}, implementations of {@link MutableLocalQuery} are
* mutable. {@link SymbolicTransformation}s are supposed to be the only
* classes to perform these mutations.
*
* @created 2005-05-17
* @author <a href="http://staff.pisoftware.com/raboczi">Simon Raboczi</a>
* @version $Revision: 1.1 $
* @modified $Date: 2005/05/19 08:43:59 $ by $Author: raboczi $
* @maintenanceAuthor $Author: raboczi $
* @copyright ©2005 <a href="http://www.defence.gov.au/">
* Australian Commonwealth Government, Department of Defence</a>
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public interface MutableLocalQuery
{
/**
* @return the <code>WHERE</code> clause of the query, expressed in local
* coordinates
*/
public ConstraintExpression getConstraintExpression();
/**
* @param constraintExpression a new <code>WHERE</code> clause, which must
* be expressed in local coordinates
* @throws IllegalArgumentException if <var>constraintExpression</var> is
* <code>null</code>
* @throws IllegalStateException if modification is not allowed at this time
*/
public void setConstraintExpression(ConstraintExpression constraintExpression);
}