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Diffstat (limited to 'qpid/cpp/src/qpid/store/ms-sql/VariantHelper.h')
-rw-r--r-- | qpid/cpp/src/qpid/store/ms-sql/VariantHelper.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/store/ms-sql/VariantHelper.h b/qpid/cpp/src/qpid/store/ms-sql/VariantHelper.h new file mode 100644 index 0000000000..723dbc3b76 --- /dev/null +++ b/qpid/cpp/src/qpid/store/ms-sql/VariantHelper.h @@ -0,0 +1,61 @@ +#ifndef QPID_STORE_MSSQL_VARIANTHELPER_H +#define QPID_STORE_MSSQL_VARIANTHELPER_H + +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ + +#include <comutil.h> + +namespace qpid { +namespace store { +namespace ms_sql { + +/** + * @class VariantHelper + * + * Class template to wrap the details of working with _variant_t objects. + */ +template <class Wrapped> class VariantHelper { +private: + _variant_t var; + +public: + VariantHelper(); + VariantHelper(const Wrapped &init); + + VariantHelper& operator =(const Wrapped& rhs); + operator const _variant_t& () const; +}; + +// Specialization for using _variant_t to wrap a std::string +template<> class VariantHelper<std::string> { +private: + _variant_t var; + +public: + VariantHelper(const std::string &init); + VariantHelper& operator =(const std::string& rhs); + operator const _variant_t& () const; +}; + +}}} // namespace qpid::store::ms_sql + +#endif /* QPID_STORE_MSSQL_VARIANTHELPER_H */ |