/usr/include/xqilla/runtime/ResultBufferImpl.hpp is in libxqilla-dev 2.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2001, 2008,
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004, 2011,
* Oracle and/or its affiliates. All rights reserved.
*
* Licensed 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.
*/
#ifndef _RESULTBUFFERIMPL_HPP
#define _RESULTBUFFERIMPL_HPP
#include <vector>
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/runtime/Result.hpp>
#include <xqilla/framework/ReferenceCounted.hpp>
/** A buffer for lazily evaluated query results. This object is not thread safe */
class XQILLA_API ResultBufferImpl : public ReferenceCounted
{
public:
typedef RefCountPointer<ResultBufferImpl> Ptr;
static const unsigned int UNLIMITED_COUNT;
/**
* Do not allocate this object from a memory manager!
* It must be created using the heap.
*/
ResultBufferImpl(const Result &result, unsigned int readCount = UNLIMITED_COUNT);
ResultBufferImpl(const Item::Ptr &item, unsigned int readCount = UNLIMITED_COUNT);
~ResultBufferImpl();
/// Creates a result that returns the same items as the one used to construct this buffer
Result createResult(unsigned index);
unsigned int getMaxReadCount() const { return _maxReadCount; }
void increaseMaxReadCount(unsigned int readCount);
unsigned int incrementReadCount() { return ++_readCount; }
private:
ResultBufferImpl(const ResultBufferImpl &);
ResultBufferImpl &operator=(const ResultBufferImpl &);
Item::Ptr item(unsigned int index, DynamicContext *context);
friend class BufferedResult;
typedef std::vector<Item::Ptr> ItemList;
Result _result;
ItemList _items;
unsigned int _readCount;
unsigned int _maxReadCount;
};
#endif
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