41 lines
1 KiB
C++
41 lines
1 KiB
C++
/*
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* Copyright (c) 2001-2006
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2006
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* Progress Software Corporation. All rights reserved.
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* Copyright (c) 2004-2006
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* Oracle. All rights reserved.
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*
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* See the file LICENSE for redistribution information.
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*
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* $Id: LazySequenceResult.hpp,v 1.8 2006/11/01 16:37:14 jpcs Exp $
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*/
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#ifndef _LAZYSEQUENCERESULT_HPP
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#define _LAZYSEQUENCERESULT_HPP
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#include <xqilla/runtime/ResultImpl.hpp>
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#include <xqilla/runtime/Sequence.hpp>
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class XQILLA_API LazySequenceResult : public ResultImpl
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{
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public:
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LazySequenceResult(const LocationInfo *o, DynamicContext *context);
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/// Get the next item from the iterator
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virtual Item::Ptr next(DynamicContext *context);
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/// Called lazily to get the Sequence to iterate over
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virtual void getResult(Sequence &toFill, DynamicContext *context) const = 0;
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/// Cast operator to a Sequence
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virtual Sequence toSequence(DynamicContext *context = 0);
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private:
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bool toInit_;
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Sequence::iterator it_;
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Sequence seq_;
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};
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#endif
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