/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

#ifndef APPLY_CHANGES_H
#define APPLY_CHANGES_H

#include <list>
#include <string>

#include "apache/das/rdb/DASImpl.h"
#include "apache/das/rdb/ConfigImpl.h"
#include "apache/das/rdb/Relationship.h"
#include "apache/das/rdb/KeyPair.h"
#include "apache/das/rdb/ModifiedDataObject.h"
#include "apache/das/rdb/DeletedDataObject.h"
#include "apache/das/rdb/CreatedDataObject.h"
#include "apache/das/rdb/DASPrimaryKeyNotFoundException.h"

#include "commonj/sdo/DataObject.h"
#include "commonj/sdo/ChangeSummary.h"

namespace apache {
	namespace das {
		namespace rdb {

class DASDataObject;
class CreatedDataObject;
class DeletedDataObject;
class ConfigImpl;
class DASImpl;

class ApplyChanges {

	private:
		commonj::sdo::DataObjectPtr root;
		const ConfigImpl* config;
		std::map<std::string, const Relationship*> relationships;
		std::map<std::string, const Table*> tables;
		std::map<std::string, std::list<DASDataObject*>*> dasDataObjects;
		std::list<DASDataObject*> stack;
		std::list<DASDataObject*> updateOrderList;
		commonj::sdo::ChangeSummaryPtr summary;

		void processRootDataObject(commonj::sdo::DataObjectPtr dataObject);
		DASDataObject& processDataObject(commonj::sdo::DataObjectPtr dataObject);
		DeletedDataObject& processDeletedDataObject(commonj::sdo::DataObjectPtr dataObject);
		CreatedDataObject& processCreatedDataObject(commonj::sdo::DataObjectPtr dataObject);
		ModifiedDataObject& processModifiedDataObject(commonj::sdo::DataObjectPtr dataObject);
		DASDataObject* getDASDataObject(commonj::sdo::DataObjectPtr dataObject) const;
		void addDataObject(DASDataObject& dataObject);
		void processMetadata(commonj::sdo::DataObjectPtr dataObject);
		bool isInStack(const DASDataObject& dasDataObject);
		const Table& getTable(commonj::sdo::DataObjectPtr dataObject);
		const Relationship& getRelationship(DASDataObject& parentDataObject, DASDataObject& dataObject) const;
		
	public:
		ApplyChanges(DASImpl& das, commonj::sdo::DataObjectPtr root);
		~ApplyChanges(void);
		
};

		};
	};
};

#endif //APPLY_CHANGES_H