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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/Relationship.h"
namespace apache {
namespace das {
namespace rdb {
Relationship::Relationship(const Relationship& relationship) {
many = relationship.many;
relationshipName = relationship.relationshipName;
pkTableName = relationship.pkTableName;
fkTableName = relationship.fkTableName;
this->keyPairs = new std::map<std::string, const KeyPair*>();
std::map<std::string, const KeyPair*>::iterator it;
for (it = relationship.keyPairs->begin() ; it != relationship.keyPairs->end() ; it++) {
KeyPair* newKP = new KeyPair(*it->second);
newKP->setRelationship(this);
this->keyPairs->insert(std::make_pair(it->first, newKP));
}
}
Relationship::Relationship(std::string pkTableName, std::string fkTableName,
std::string relationshipName) {
StringWrapper pkTableNameWrapper(pkTableName);
StringWrapper fkTableNameWrapper(fkTableName);
StringWrapper relationshipNameWrapper(relationshipName);
pkTableName = pkTableNameWrapper.toUpper();
fkTableName = fkTableNameWrapper.toUpper();
if (relationshipName == "") {
this->relationshipName = fkTableName;
} else {
if (!relationshipNameWrapper.isValidRDBName()) {
throw DASInvalidRelationshipNameException("Relationship name must not contain whitespace characters!");
}
this->relationshipName = relationshipNameWrapper.toUpper();
}
if (!pkTableNameWrapper.isValidRDBName()) {
throw DASInvalidTableNameException("PK Table name must not contain whitespace characters!");
}
if (!fkTableNameWrapper.isValidRDBName()) {
throw DASInvalidTableNameException("FK Table name must not contain whitespace characters!");
}
this->pkTableName = pkTableName;
this->fkTableName = fkTableName;
many = true;
keyPairs = new std::map<std::string, const KeyPair*>();
}
void Relationship::setMany(bool many) {
this->many = many;
}
bool Relationship::isMany(void) const {
return many;
}
KeyPair& Relationship::addKeyPair(std::string pkColumnName, std::string fkColumnName) {
KeyPair& newKP = newKeyPair(*(new KeyPair(pkColumnName, fkColumnName)));
newKP.setRelationship(this);
return newKP;
}
KeyPair& Relationship::addKeyPair(const KeyPair& keyPair) {
KeyPair& newKP = newKeyPair(*(new KeyPair(keyPair)));
newKP.setRelationship(this);
return newKP;
}
KeyPair& Relationship::newKeyPair(KeyPair& keyPair) {
const KeyPair* configKeyPair = getKeyPair(keyPair.getPKColumnName(), keyPair.getFKColumnName());
if (configKeyPair == 0) {
keyPairs->insert(std::make_pair(keyPair.getPKColumnName() + "." + keyPair.getFKColumnName(), &keyPair));
return keyPair;
}
return (KeyPair&) *configKeyPair;
}
std::string Relationship::getName(void) const {
return relationshipName;
}
Relationship::~Relationship(void) {
std::map<std::string, const KeyPair*>::iterator it;
for (it = keyPairs->begin() ; it != keyPairs->end() ; it++) {
delete it->second;
}
delete keyPairs;
}
std::string Relationship::getPKTableName(void) const {
return pkTableName;
}
std::string Relationship::getFKTableName(void) const {
return fkTableName;
}
const std::map<std::string, const KeyPair*>& Relationship::getKeyPairs(void) const {
return (const std::map<std::string, const KeyPair*>&) *keyPairs;
}
const KeyPair* Relationship::getKeyPair(std::string pkColumnName, std::string fkColumnName) const {
std::map<std::string, const KeyPair*>::iterator it = keyPairs->
find(pkColumnName + "." + fkColumnName);
if (it == keyPairs->end()) {
return 0;
}
return it->second;
}
std::list<const KeyPair*>* Relationship::getKeyPair(std::string columnName, bool pkColumn) const {
std::map<std::string, const KeyPair*>::const_iterator it;
std::list<const KeyPair*>* ret = new std::list<const KeyPair*>();
for (it = keyPairs->begin() ; it != keyPairs->end() ; it++) {
std::string actualColumnName;
if (pkColumn) {
actualColumnName = it->second->getPKColumnName();
} else {
actualColumnName = it->second->getFKColumnName();
}
if (columnName == actualColumnName) {
ret->push_back(it->second);
}
}
return ret;
}
bool Relationship::containsColumn(std::string columnName, bool pkColumn) const {
std::map<std::string, const KeyPair*>::const_iterator it;
for (it = keyPairs->begin() ; it != keyPairs->end() ; it++) {
if (pkColumn) {
if (it->second->getPKColumnName() == columnName) {
return true;
}
} else {
if (it->second->getFKColumnName() == columnName) {
return true;
}
}
}
return false;
}
};
};
};
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