1 files changed, 107 insertions, 0 deletions
diff --git a/reader/src/database/sqldb/implsqlite/SQLiteDataBase.cpp b/reader/src/database/sqldb/implsqlite/SQLiteDataBase.cpp
new file mode 100644
index 0000000..1cccc0a
--- /dev/null
+++ b/reader/src/database/sqldb/implsqlite/SQLiteDataBase.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+
+#include <ZLStringUtil.h>
+
+#include "SQLiteDataBase.h"
+
+#include "SQLiteConnection.h"
+#include "SQLiteCommand.h"
+
+//----------- Transaction subclass -----------------
+
+SQLiteDataBase::Transaction::Transaction(SQLiteDataBase &db) : myDataBase(db), mySuccess(false), myStarted(false), myDepth((unsigned int)-1) {
+}
+
+SQLiteDataBase::Transaction::~Transaction() {
+	if (myStarted) {
+		end(mySuccess);
+	}
+}
+
+bool SQLiteDataBase::Transaction::start() {
+	myDepth = myDataBase.myTransactionDepth;
+	if (myDepth == 0) {
+		myStarted = myDataBase.myBeginTransaction->execute();
+	} else {
+		//((DBTextValue &) *myDataBase.myMakeSavePoint->parameter("@name").value()).setValue(name());
+		//myStarted = myDataBase.myMakeSavePoint->execute();
+		myStarted = true;
+	}
+	if (myStarted) {
+		++myDataBase.myTransactionDepth;
+	}
+	return myStarted;
+}
+
+void SQLiteDataBase::Transaction::end(bool success) {
+	--myDataBase.myTransactionDepth;
+	if (myDepth == 0) {
+		if (success) {
+			myDataBase.myCommitTransaction->execute();
+		} else {
+			myDataBase.myRollbackTransaction->execute();
+		}
+	} else {
+		if (success) {
+			//((DBTextValue &) *myDataBase.myCommitSavePoint->parameter("@name").value()).setValue(name());
+			//myDataBase.myCommitSavePoint->execute();
+		} else {
+			//((DBTextValue &) *myDataBase.myRollbackSavePoint->parameter("@name").value()).setValue(name());
+			//myDataBase.myRollbackSavePoint->execute();
+		}
+	}
+}
+
+std::string SQLiteDataBase::Transaction::name() const {
+	std::string name = "tran";
+	ZLStringUtil::appendNumber(name, myDepth);
+	return name;
+}
+
+//----------- End Transaction subclass -----------------
+
+
+
+SQLiteDataBase::SQLiteDataBase(const std::string &path) : DataBase( new SQLiteConnection(path) ), myTransactionDepth(0) {
+	myBeginTransaction    = SQLiteFactory::createCommand("BEGIN IMMEDIATE TRANSACTION", connection());
+	myCommitTransaction   = SQLiteFactory::createCommand("COMMIT TRANSACTION", connection());
+	myRollbackTransaction = SQLiteFactory::createCommand("ROLLBACK TRANSACTION", connection());
+	myMakeSavePoint       = SQLiteFactory::createCommand("SAVEPOINT @name", connection(), "@name", DBValue::DBTEXT);
+	myCommitSavePoint     = SQLiteFactory::createCommand("RELEASE @name", connection(), "@name", DBValue::DBTEXT);
+	myRollbackSavePoint   = SQLiteFactory::createCommand("ROLLBACK TO @name; RELEASE @name", connection(), "@name", DBValue::DBTEXT);
+}
+
+SQLiteDataBase::~SQLiteDataBase() {
+	if (connection().isOpened()) {
+		connection().close();
+	}
+}
+
+bool SQLiteDataBase::executeAsTransaction(DBRunnable &runnable) {
+	Transaction tran(*this);
+	if (tran.start() && runnable.run()) {
+		tran.setSuccessful();
+		return true;
+	}
+	return false;
+}
+
+