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/*
* Copyright 2006-2008 The FLWOR Foundation.
*
* 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 ZORBA_RUNTIME_FUNCTION_ITEM_ITER_H
#define ZORBA_RUNTIME_FUNCTION_ITEM_ITER_H
#include "common/shared_types.h"
#include "runtime/base/narybase.h"
namespace zorba
{
class FunctionItemInfo;
typedef rchandle<FunctionItemInfo> FunctionItemInfo_t;
/*******************************************************************************
An iterator that creates and returns dynamic function items
********************************************************************************/
class FunctionItemIterator : public NaryBaseIterator<FunctionItemIterator,
PlanIteratorState>
{
protected:
FunctionItemInfo_t theFunctionItemInfo;
public:
SERIALIZABLE_CLASS(FunctionItemIterator)
SERIALIZABLE_CLASS_CONSTRUCTOR2T(FunctionItemIterator,
NaryBaseIterator<FunctionItemIterator, PlanIteratorState>)
void serialize(::zorba::serialization::Archiver& ar);
public:
FunctionItemIterator(
static_context* sctx,
const QueryLoc& loc,
FunctionItemInfo* fnInfo);
virtual ~FunctionItemIterator();
const FunctionItemInfo_t getFunctionItemInfo() const
{
return theFunctionItemInfo;
}
void accept(PlanIterVisitor& v) const;
bool nextImpl(store::Item_t& result, PlanState& planState) const;
protected:
void importOuterEnv(
PlanState& planState,
CompilerCB* evalCCB,
static_context* importSctx,
dynamic_context* evalDctx) const;
};
}//end of zorba namespace
#endif
/* vim:set et sw=2 ts=2: */
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