00001 /* 00002 * Copyright (c) 2001-2008 00003 * DecisionSoft Limited. All rights reserved. 00004 * Copyright (c) 2004-2008 00005 * Oracle. All rights reserved. 00006 * 00007 * Licensed under the Apache License, Version 2.0 (the "License"); 00008 * you may not use this file except in compliance with the License. 00009 * You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, software 00014 * distributed under the License is distributed on an "AS IS" BASIS, 00015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00016 * See the License for the specific language governing permissions and 00017 * limitations under the License. 00018 * 00019 * $Id: ResultImpl.hpp 634 2008-08-28 00:46:37Z jpcs $ 00020 */ 00021 00022 #ifndef _RESULTIMPL_HPP 00023 #define _RESULTIMPL_HPP 00024 00025 #include <xqilla/framework/XQillaExport.hpp> 00026 #include <xqilla/items/Item.hpp> 00027 #include <xqilla/ast/LocationInfo.hpp> 00028 00029 class DynamicContext; 00030 class Sequence; 00031 class Result; 00032 class ResultBufferImpl; 00033 00035 class XQILLA_API ResultImpl : public LocationInfo 00036 { 00037 public: 00038 virtual ~ResultImpl() {} 00039 00040 Result *getResultPointer() { return resultPointer_; } 00041 void setResultPointer(Result *p) { resultPointer_ = p; } 00042 00044 virtual Item::Ptr next(DynamicContext *context); 00045 00047 virtual Item::Ptr nextOrTail(Result &tail, DynamicContext *context); 00048 00050 virtual Sequence toSequence(DynamicContext *context); 00051 00053 virtual ResultBufferImpl *toResultBuffer(unsigned int readCount); 00054 00055 protected: 00056 ResultImpl(const LocationInfo *o); 00057 00058 Result *resultPointer_; 00059 00060 private: 00061 ResultImpl(const ResultImpl &) {}; 00062 ResultImpl &operator=(const ResultImpl &) { return *this; }; 00063 }; 00064 00065 #endif
1.5.5