47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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* Copyright (c) 2001, 2008,
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004, 2018 Oracle and/or its affiliates. All rights reserved.
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*
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _RESULTBUFFER_HPP
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#define _RESULTBUFFER_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/runtime/ResultBufferImpl.hpp>
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/** A reference counting wrapper for the result buffer */
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class XQILLA_API ResultBuffer
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{
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public:
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ResultBuffer(const Result &result, unsigned int readCount = ResultBufferImpl::UNLIMITED_COUNT);
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ResultBuffer(const Item::Ptr &item, unsigned int readCount = ResultBufferImpl::UNLIMITED_COUNT);
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ResultBuffer(ResultBufferImpl *impl, unsigned start = 0);
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/// Creates a result that returns the same items as the one used to construct this buffer
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Result createResult();
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bool isNull() const
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{
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return _impl.isNull();
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}
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private:
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ResultBufferImpl::Ptr _impl;
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unsigned _start;
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};
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#endif
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