Initial release of the Database Abstraction Layer

1 files changed, 212 insertions, 0 deletions

diff --git a/src/dal/dalexcept.h b/src/dal/dalexcept.h
new file mode 100644
index 00000000..e11ec9d1
--- /dev/null
+++ b/src/dal/dalexcept.h
@@ -0,0 +1,212 @@
+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  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 any later version.
+ *
+ *  The Mana  World 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 The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id$
+ */
+
+
+#ifndef _TMW_DAL_EXCEPT_H_
+#define _TMW_DAL_EXCEPT_H_
+
+
+#include <string>
+
+
+namespace tmw
+{
+namespace dal
+{
+
+
+/**
+ * Default database exception.
+ */
+class DbException: public std::exception
+{
+    public:
+        /**
+         * Constructor.
+         *
+         * @param msg the error message.
+         */
+        DbException(const std::string& msg)
+            throw()
+                : mMsg(msg)
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Destructor.
+         */
+        ~DbException(void)
+            throw()
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Get the error message.
+         *
+         * @return the error message.
+         */
+        virtual const char*
+        what(void)
+            throw()
+        {
+            return mMsg.c_str();
+        }
+
+
+    private:
+        std::string mMsg;
+};
+
+
+/**
+ * Database creation failure.
+ */
+class DbCreationFailure: public DbException
+{
+    public:
+        /**
+         * Default constructor.
+         */
+        DbCreationFailure(void)
+            throw()
+                : DbException("")
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Constructor.
+         *
+         * @param msg the error message.
+         */
+        DbCreationFailure(const std::string& msg)
+            throw()
+                : DbException(msg)
+        {
+            // NOOP
+        }
+};
+
+
+/**
+ * Database connection failure.
+ */
+class DbConnectionFailure: public DbException
+{
+    public:
+        /**
+         * Default constructor.
+         */
+        DbConnectionFailure(void)
+            throw()
+                : DbException("")
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Constructor.
+         *
+         * @param msg the error message.
+         */
+        DbConnectionFailure(const std::string& msg)
+            throw()
+                : DbException(msg)
+        {
+            // NOOP
+        }
+};
+
+
+/**
+ * Database disconnection failure.
+ */
+class DbDisconnectionFailure: public DbException
+{
+    public:
+        /**
+         * Default constructor.
+         */
+        DbDisconnectionFailure(void)
+            throw()
+                : DbException("")
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Constructor.
+         *
+         * @param msg the error message.
+         */
+        DbDisconnectionFailure(const std::string& msg)
+            throw()
+                : DbException(msg)
+        {
+            // NOOP
+        }
+};
+
+
+/**
+ * SQL query execution failure.
+ */
+class DbSqlQueryExecFailure: public DbException
+{
+    public:
+        /**
+         * Default constructor.
+         */
+        DbSqlQueryExecFailure(void)
+            throw()
+                : DbException("")
+        {
+            // NOOP
+        }
+
+
+        /**
+         * Constructor.
+         *
+         * @param msg the error message.
+         */
+        DbSqlQueryExecFailure(const std::string& msg)
+            throw()
+                : DbException(msg)
+        {
+            // NOOP
+        }
+};
+
+
+} // namespace dal
+} // namespace tmw
+
+
+#endif // _TMW_DAL_EXCEPT_H_