/*
* 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):
* 03-05-2005:
* 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.
*
* [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;
// Java 2 standard packages
import javax.transaction.xa.XAResource;
import java.net.URI;
// Local packages
import org.mulgara.query.ConstraintExpression;
import org.mulgara.query.GraphExpression;
import org.mulgara.query.QueryException;
import org.mulgara.resolver.spi.QueryEvaluationContext;
import org.mulgara.store.tuples.Tuples;
/**
* Instances of this interface define resolution for each implementation of
* ConstraintExpression.
*
* @created 2003-12-01
* @author <a href="http://www.pisoftware.com/andrae">Andrae Muys</a>
* @version $Revision: 1.3 $
* @modified $Date: 2005/05/03 08:11:44 $
* @maintenanceAuthor $Author: amuys $
* @company <a href="mailto:info@PIsoftware.com">Plugged In Software</a>
* @copyright ©2003-2004 <a href="http://www.pisoftware.com/">Plugged In
* Software Pty Ltd</a>
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public interface ConstraintResolutionHandler
{
/**
* Resolve this constraintExpression within a given queryContext.
*
* @param queryContext the context of the query
* @param modelExpr the from clause of the query
* @param constraintExpr the constraintExpression to resolve
*/
public Tuples resolve(QueryEvaluationContext queryContext,
GraphExpression modelExpr,
ConstraintExpression constraintExpr) throws Exception;
}