pragma once and minor change in transactions

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+# LMDBAL 0.6.0 (UNRELEASED)
+### Improvements
+- Less dereferencing
+
 # LMDBAL 0.5.4 (November 30, 2024)
 ### Improvements
 - Technical release just to resolve build issues

packaging/Archlinux/PKGBUILD

@@ -10,7 +10,7 @@ depends=( 'lmdb' )
 makedepends=('cmake>=3.16' 'gcc')
 optdepends=()
 
-source=("lmdbal-$pkgver.tar.gz::https://git.macaw.me/blue/lmdbal/archive/$pkgver.tar.gz")
+source=("lmdbal-$pkgver-$pkgrel.tar.gz::https://git.macaw.me/blue/lmdbal/archive/$pkgver.tar.gz")
 sha256sums=('SKIP')
 build() {
         cd "$srcdir/lmdbal"

src/base.cpp

@@ -43,7 +43,7 @@ LMDBAL::Base::Base(const QString& _name, uint16_t _mapSize):
     size(_mapSize),
     environment(),
     storages(),
-    transactions(new Transactions())
+    transactions()
 {}
 
 /**
@@ -52,8 +52,6 @@ LMDBAL::Base::Base(const QString& _name, uint16_t _mapSize):
 LMDBAL::Base::~Base() {
     close();
 
-    delete transactions;
-
     for (const std::pair<const std::string, iStorage*>& pair : storages)
         delete pair.second;
 }
@@ -68,14 +66,14 @@ LMDBAL::Base::~Base() {
  */
 void LMDBAL::Base::close() {
     if (opened) {
-        for (const LMDBAL::TransactionID id : *transactions)
+        for (const LMDBAL::TransactionID id : transactions)
             abortTransaction(id, emptyName);
 
         for (const std::pair<const std::string, iStorage*>& pair : storages)
             pair.second->close();
 
         mdb_env_close(environment);
-        transactions->clear();
+        transactions.clear();
         opened = false;
     }
 }
@@ -301,7 +299,7 @@ LMDBAL::TransactionID LMDBAL::Base::beginReadOnlyTransaction(const std::string&
         throw Closed("beginReadOnlyTransaction", name, storageName);
 
     TransactionID txn = beginPrivateReadOnlyTransaction(storageName);
-    transactions->emplace(txn);
+    transactions.emplace(txn);
     for (const std::pair<const std::string, LMDBAL::iStorage*>& pair : storages)
         pair.second->transactionStarted(txn, true);
 
@@ -325,7 +323,7 @@ LMDBAL::TransactionID LMDBAL::Base::beginTransaction(const std::string& storageN
         throw Closed("beginTransaction", name, storageName);
 
     TransactionID txn = beginPrivateTransaction(storageName);
-    transactions->emplace(txn);
+    transactions.emplace(txn);
     for (const std::pair<const std::string, LMDBAL::iStorage*>& pair : storages)
         pair.second->transactionStarted(txn, false);
 
@@ -349,15 +347,15 @@ void LMDBAL::Base::abortTransaction(LMDBAL::TransactionID id, const std::string&
     if (!opened)
         throw Closed("abortTransaction", name, storageName);
 
-    Transactions::iterator itr = transactions->find(id);
-    if (itr == transactions->end())     //TODO may be it's a good idea to make an exception class for this
+    Transactions::iterator itr = transactions.find(id);
+    if (itr == transactions.end())     //TODO may be it's a good idea to make an exception class for this
         throw Unknown(name, "unable to abort transaction: transaction was not found", storageName);
 
     abortPrivateTransaction(id, storageName);
     for (const std::pair<const std::string, LMDBAL::iStorage*>& pair : storages)
         pair.second->transactionAborted(id);
 
-    transactions->erase(itr);
+    transactions.erase(itr);
 }
 
 /**
@@ -376,15 +374,15 @@ void LMDBAL::Base::commitTransaction(LMDBAL::TransactionID id, const std::string
     if (!opened)
         throw Closed("abortTransaction", name, storageName);
 
-    Transactions::iterator itr = transactions->find(id);
-    if (itr == transactions->end())     //TODO may be it's a good idea to make an exception class for this
+    Transactions::iterator itr = transactions.find(id);
+    if (itr == transactions.end())     //TODO may be it's a good idea to make an exception class for this
         throw Unknown(name, "unable to commit transaction: transaction was not found", storageName);
 
     commitPrivateTransaction(id, storageName);
     for (const std::pair<const std::string, LMDBAL::iStorage*>& pair : storages)
         pair.second->transactionCommited(id);
 
-    transactions->erase(itr);
+    transactions.erase(itr);
 }
 
 /**

src/base.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_BASE_H
-#define LMDBAL_BASE_H
+#pragma once
 
 #include <map>
 #include <set>
@@ -106,7 +105,7 @@ private:
     uint16_t size;                                              /**<\brief lmdb map size in MiB*/
     MDB_env* environment;                                       /**<\brief lmdb environment handle*/
     Storages storages;                                          /**<\brief Registered storages and caches*/
-    Transactions* transactions;                                 /**<\brief Active public transactions*/
+    mutable Transactions transactions;                          /**<\brief Active public transactions*/
 
     inline static const std::string emptyName = "";             /**<\brief Empty string for general fallback purposes*/
 };
@@ -215,5 +214,3 @@ template <class K, class V>
 LMDBAL::Cache<K, V>* LMDBAL::Base::getCache(const std::string& storageName) {
     return static_cast<Cache<K, V>*>(storages.at(storageName));
 }
-
-#endif //LMDBAL_BASE_H

src/cache.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_CACHE_H
-#define LMDBAL_CACHE_H
+#pragma once
 
 #include <map>
 #include <set>
@@ -134,5 +133,3 @@ protected:
 }
 
 #include "cache.hpp"
-
-#endif // LMDBAL_CACHE_H

src/cache.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_CACHE_HPP
-#define LMDBAL_CACHE_HPP
+#pragma once
 
 #include "cache.h"
 #include "exceptions.h"
@@ -898,5 +897,3 @@ void LMDBAL::Cache<K, V>::destroyTransactionEntry(const Entry& entry) const {
             break;
     }
 }
-
-#endif //LMDBAL_CACHE_HPP

src/cursor.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_CURSOR_H
-#define LMDBAL_CURSOR_H
+#pragma once
 
 #include <string>
 
@@ -105,5 +104,3 @@ private:
 
 
 #include "cursor.hpp"
-
-#endif //LMDBAL_CURSOR_H

src/cursor.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_CURSOR_HPP
-#define LMDBAL_CURSOR_HPP
+#pragma once
 
 #include "cursor.h"
 #include <iostream>
@@ -482,7 +481,7 @@ void LMDBAL::Cursor<K, V>::prev (K& key, V& value) {
  * \exception LMDBAL::Unknown          thrown if there was some unexpected problem with lmdb
  */
 template<class K, class V>
-void LMDBAL::Cursor<K, V>::current (K& key, V& value) const  {
+void LMDBAL::Cursor<K, V>::current (K& key, V& value) const {
     operateCursorRead(key, value, MDB_GET_CURRENT, currentMethodName, currentOperationName);
 }
 
@@ -657,5 +656,3 @@ void LMDBAL::Cursor<K, V>::operateCursorRead(
     else
         storage->discoveredRecord(key, value, storage->_mdbCursorTxn(cursor));
 }
-
-#endif //LMDBAL_CURSOR_HPP

src/exceptions.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_EXCEPTIONS_H
-#define LMDBAL_EXCEPTIONS_H
+#pragma once
 
 #include <stdexcept>
 #include <string>
@@ -237,5 +236,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_EXCEPTIONS_H

src/operators.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_OPERATORS_HPP
-#define LMDBAL_OPERATORS_HPP
+#pragma once
 
 #include <map>
 #include <set>
@@ -209,5 +208,3 @@ QDataStream& operator >> (QDataStream &in, std::list<K>& container) {
 
     return in;
 }
-
-#endif //LMDBAL_OPERATORS_HPP

src/serializer/serializer.h

@@ -16,8 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_H
-#define LMDBAL_SERIALIZER_H
+#pragma once
+
 
 #include <cstring>
 
@@ -68,5 +68,3 @@ private:
 #include "serializer_stdstring.hpp"
 #include "serializer_qstring.hpp"
 #include "serializer_qbytearray.hpp"
-
-#endif // LMDBAL_SERIALIZER_H

src/serializer/serializer.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_HPP
-#define LMDBAL_SERIALIZER_HPP
+#pragma once
 
 #include "serializer.h"
 
@@ -159,5 +158,3 @@ MDB_val LMDBAL::Serializer<T>::getData() {
 
     return val;
 }
-
-#endif //LMDBAL_SERIALIZER_HPP

src/serializer/serializer_double.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_DOUBLE_HPP
-#define LMDBAL_SERIALIZER_DOUBLE_HPP
+#pragma once
 
 namespace LMDBAL {
 
@@ -53,7 +52,5 @@ private:
 
 }
 
-#endif //LMDBAL_SERIALIZER_DOUBLE_HPP
-
 
 

src/serializer/serializer_float.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_FLOAT_HPP
-#define LMDBAL_SERIALIZER_FLOAT_HPP
+#pragma once
 
 namespace LMDBAL {
 
@@ -52,8 +51,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_FLOAT_HPP
-
-
-

src/serializer/serializer_int16.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_INT16_HPP
-#define LMDBAL_SERIALIZER_INT16_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,5 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_INT16_HPP

src/serializer/serializer_int32.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_INT32_HPP
-#define LMDBAL_SERIALIZER_INT32_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,8 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_INT32_HPP
-
-
-

src/serializer/serializer_int64.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_INT64_HPP
-#define LMDBAL_SERIALIZER_INT64_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,8 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_INT64_HPP
-
-
-

src/serializer/serializer_int8.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_INT8_HPP
-#define LMDBAL_SERIALIZER_INT8_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,8 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_INT8_HPP
-
-
-

src/serializer/serializer_qbytearray.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_QBYTEARRAY_HPP
-#define LMDBAL_SERIALIZER_QBYTEARRAY_HPP
+#pragma once
 
 #include <QByteArray>
 
@@ -56,9 +55,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_QBYTEARRAY_HPP
-
-
-
-

src/serializer/serializer_qstring.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_QSTRING_HPP
-#define LMDBAL_SERIALIZER_QSTRING_HPP
+#pragma once
 
 #include <QString>
 #include <QByteArray>
@@ -56,10 +55,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_QSTRING_HPP
-
-
-
-
-

src/serializer/serializer_stdstring.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_STDSTRING_HPP
-#define LMDBAL_SERIALIZER_STDSTRING_HPP
+#pragma once
 
 #include <string>
 
@@ -54,9 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_STDSTRING_HPP
-
-
-
-

src/serializer/serializer_uint16.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_UINT16_HPP
-#define LMDBAL_SERIALIZER_UINT16_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,7 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_UINT16_HPP
-
-

src/serializer/serializer_uint32.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_UINT32_HPP
-#define LMDBAL_SERIALIZER_UINT32_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,5 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_UINT32_HPP

src/serializer/serializer_uint64.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_UINT64_HPP
-#define LMDBAL_SERIALIZER_UINT64_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,6 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_UINT64_HPP
-

src/serializer/serializer_uint8.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_SERIALIZER_UINT8_HPP
-#define LMDBAL_SERIALIZER_UINT8_HPP
+#pragma once
 
 #include <stdint.h>
 
@@ -54,8 +53,3 @@ private:
 };
 
 }
-
-#endif //LMDBAL_SERIALIZER_UINT8_HPP
-
-
-

src/storage.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_STORAGE_H
-#define LMDBAL_STORAGE_H
+#pragma once
 
 #include <type_traits>
 #include <cstring>
@@ -199,5 +198,3 @@ protected:
 }
 
 #include "storage.hpp"
-
-#endif //LMDBAL_STORAGE_H

src/storage.hpp

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LMDBAL_STORAGE_HPP
-#define LMDBAL_STORAGE_HPP
+#pragma once
 
 #include "storage.h"
 #include "exceptions.h"
@@ -1182,5 +1181,3 @@ template<>
 inline std::string LMDBAL::iStorage::toString(const std::string& value) {
     return value;
 }
-
-#endif //LMDBAL_STORAGE_HPP

src/transaction.cpp

@@ -1,3 +1,21 @@
+/*
+ * LMDB Abstraction Layer.
+ * Copyright (C) 2023  Yury Gubich <blue@macaw.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "transaction.h"
 
 /**

src/transaction.h

@@ -1,3 +1,21 @@
+/*
+ * LMDB Abstraction Layer.
+ * Copyright (C) 2023  Yury Gubich <blue@macaw.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #include "base.h"