| /** |
| * 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 "catalog/Catalog.hpp" |
| |
| #include <cstddef> |
| #include <cstring> |
| #include <string> |
| #include <unordered_map> |
| |
| #include "catalog/Catalog.pb.h" |
| #include "catalog/CatalogDatabase.hpp" |
| #include "catalog/CatalogErrors.hpp" |
| #include "utility/PtrVector.hpp" |
| |
| #include "glog/logging.h" |
| |
| using std::size_t; |
| using std::strcmp; |
| using std::string; |
| |
| namespace quickstep { |
| |
| bool Catalog::ProtoIsValid(const serialization::Catalog &proto) { |
| for (int i = 0; i < proto.databases_size(); ++i) { |
| if (!CatalogDatabase::ProtoIsValid(proto.databases(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| Catalog::Catalog(const serialization::Catalog &proto) { |
| DCHECK(ProtoIsValid(proto)) |
| << "Attempted to create Catalog from an invalid proto description:\n" |
| << proto.DebugString(); |
| |
| for (int i = 0; i < proto.databases_size(); ++i) { |
| if (proto.databases(i).IsInitialized()) { |
| addDatabase(new CatalogDatabase(proto.databases(i))); |
| } else { |
| db_vec_.push_back(NULL); |
| } |
| } |
| } |
| |
| const CatalogDatabase& Catalog::getDatabaseByName(const string &db_name) const { |
| std::unordered_map<std::string, CatalogDatabase*>::const_iterator it = db_map_.find(db_name); |
| if (it == db_map_.end()) { |
| throw DatabaseNameNotFound(db_name); |
| } else { |
| return *(it->second); |
| } |
| } |
| |
| CatalogDatabase* Catalog::getDatabaseByNameMutable(const string &db_name) { |
| std::unordered_map<std::string, CatalogDatabase*>::const_iterator it = db_map_.find(db_name); |
| if (it == db_map_.end()) { |
| throw DatabaseNameNotFound(db_name); |
| } else { |
| return it->second; |
| } |
| } |
| |
| database_id Catalog::addDatabase(CatalogDatabase *new_db) { |
| const string &db_name = new_db->getName(); |
| if (hasDatabaseWithName(db_name)) { |
| throw DatabaseNameCollision(db_name); |
| } else if (db_vec_.size() > static_cast<size_t>(kCatalogMaxID)) { |
| throw CatalogIDOverflow("database"); |
| } else { |
| db_map_[db_name] = new_db; |
| db_vec_.push_back(new_db); |
| new_db->setParent(this); |
| new_db->setID(static_cast<database_id>(db_vec_.size() - 1)); |
| return (new_db->getID()); |
| } |
| } |
| |
| serialization::Catalog Catalog::getProto() const { |
| serialization::Catalog proto; |
| |
| for (PtrVector<CatalogDatabase, true>::const_iterator it = db_vec_.begin(); |
| it != db_vec_.end(); |
| ++it) { |
| if (it.isNull()) { |
| proto.add_databases(); |
| } else { |
| proto.add_databases()->CopyFrom(it->getProto()); |
| } |
| } |
| |
| return proto; |
| } |
| } // namespace quickstep |