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+// Copyright 2011 The Kyua Authors.
+// 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 Google Inc. 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
+// OWNER 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.
+
+/// \file store/exceptions.hpp
+/// Exception types raised by the store module.
+
+#if !defined(STORE_EXCEPTIONS_HPP)
+#define STORE_EXCEPTIONS_HPP
+
+#include <stdexcept>
+
+namespace store {
+
+
+/// Base exception for store errors.
+class error : public std::runtime_error {
+public:
+ explicit error(const std::string&);
+ virtual ~error(void) throw();
+};
+
+
+/// The data in the database is inconsistent.
+class integrity_error : public error {
+public:
+ explicit integrity_error(const std::string&);
+ virtual ~integrity_error(void) throw();
+};
+
+
+/// The database schema is old and needs a migration.
+class old_schema_error : public error {
+ /// Version in the database that caused this error.
+ int _old_version;
+
+public:
+ explicit old_schema_error(const int);
+ virtual ~old_schema_error(void) throw();
+
+ int old_version(void) const;
+};
+
+
+} // namespace store
+
+
+#endif // !defined(STORE_EXCEPTIONS_HPP)