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/*
* Copyright (c) 2013, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "sqlite_wrapper/sql_database.h"
#include <sqlite3.h>
namespace policy {
namespace dbms {
const std::string SQLDatabase::kInMemory = ":memory:";
const std::string SQLDatabase::kExtension = ".sqlite";
SQLDatabase::SQLDatabase()
: conn_(NULL),
databasename_(kInMemory),
error_(SQLITE_OK) {}
SQLDatabase::SQLDatabase(const std::string& db_name)
: conn_(NULL),
databasename_(db_name + kExtension),
error_(SQLITE_OK) {}
SQLDatabase::~SQLDatabase() {
if (conn_) {
Close();
}
}
bool SQLDatabase::Open() {
sync_primitives::AutoLock auto_lock(conn_lock_);
if (conn_) return true;
error_ = sqlite3_open(databasename_.c_str(), &conn_);
return error_ == SQLITE_OK;
}
bool SQLDatabase::IsReadWrite() {
const char* schema = "main";
return sqlite3_db_readonly(conn_, schema) == 0;
}
void SQLDatabase::Close() {
sync_primitives::AutoLock auto_lock(conn_lock_);
error_ = sqlite3_close(conn_);
if (error_ == SQLITE_OK) {
conn_ = NULL;
}
}
bool SQLDatabase::BeginTransaction() {
return Exec("BEGIN TRANSACTION");
}
bool SQLDatabase::CommitTransaction() {
return Exec("COMMIT TRANSACTION");
}
bool SQLDatabase::RollbackTransaction() {
return Exec("ROLLBACK TRANSACTION");
}
bool SQLDatabase::Exec(const std::string& query) {
sync_primitives::AutoLock auto_lock(conn_lock_);
error_ = sqlite3_exec(conn_, query.c_str(), NULL, NULL, NULL);
return error_ == SQLITE_OK;
}
SQLError SQLDatabase::LastError() const {
return SQLError(Error(error_));
}
sqlite3* SQLDatabase::conn() const {
return conn_;
}
void SQLDatabase::set_path(const std::string& path) {
databasename_ = path + databasename_;
}
bool SQLDatabase::Backup() {
return true;
}
} // namespace dbms
} // namespace policy
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