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/*
 * 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.    
 */
#include "apache/das/rdb/RelationshipWrapper.h"

namespace apache {
	namespace das {
		namespace rdb {

RelationshipWrapper::RelationshipWrapper(void) {}

RelationshipWrapper::~RelationshipWrapper(void) {
	std::list<std::list<Relationship*>*>::iterator it;

	for (it = relationshipLists.begin() ; it != relationshipLists.end() ; it++) {
		delete *it;
	}

}

std::list<Relationship*>& RelationshipWrapper::getRelationshipsByTableName(
	const std::map<std::string, Relationship*>& relationships, std::string tableName, 
			bool pkTable) {

	std::list<Relationship*>* relationshipList = new std::list<Relationship*>();
	std::map<std::string, Relationship*>::const_iterator it;

	for (it = relationships.begin() ; it != relationships.end() ; it++) {
		
		if (pkTable) {

			if (it->second->getPKTableName() == tableName) {
				relationshipList->push_back(it->second);
			}

		} else {

			if (it->second->getFKTableName() == tableName) {
				relationshipList->push_back(it->second);
			}

		}

	}

	relationshipLists.push_back(relationshipList);

	return *relationshipList;

}

std::list<Relationship*>& RelationshipWrapper::getRelationshipsByTableName(const std::list<
			Relationship*>& relationships, std::string tableName, 
			bool pkTable) {

	std::list<Relationship*>* relationshipList = new std::list<Relationship*>();
	std::list<Relationship*>::const_iterator it;

	for (it = relationships.begin() ; it != relationships.end() ; it++) {
		
		if (pkTable) {

			if ((*it)->getPKTableName() == tableName) {
				relationshipList->push_back(*it);
			}

		} else {

			if ((*it)->getFKTableName() == tableName) {
				relationshipList->push_back(*it);
			}

		}

	}

	relationshipLists.push_back(relationshipList);

	return *relationshipList;

}

void RelationshipWrapper::free(std::list<Relationship*>& relationshipList) {
	std::list<std::list<Relationship*>*>::iterator it;

	for (it = relationshipLists.begin() ; it != relationshipLists.end() ; it++) {

		if (*it == &relationshipList) {
			delete *it;
			relationshipLists.erase(it);

			return;

		}

	}

}

		};
	};
};