mirror of
https://github.com/FirebirdSQL/firebird.git
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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* PROGRAM: Server Code
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* MODULE: rpb_chain.h
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* DESCRIPTION: Keeps track of rpb's, updated_in_place by
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* single transcation
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* Created by: Alex Peshkov <peshkoff@mail.ru>
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef JRD_RPB_CHAIN_H
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#define JRD_RPB_CHAIN_H
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#include "../jrd/gdsassert.h"
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#include <string.h>
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#include "../common/classes/array.h"
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#include "../jrd/jrd.h"
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#include "../jrd/req.h"
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class traRpbListElement
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{
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public:
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struct rpb* lr_rpb;
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int level;
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traRpbListElement(struct rpb *r, USHORT l) :
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lr_rpb(r), level(l) {}
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traRpbListElement() {}
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static inline const bool greaterThan(const traRpbListElement& i1, const traRpbListElement& i2)
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{
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return i1.lr_rpb->rpb_relation->rel_id != i2.lr_rpb->rpb_relation->rel_id ?
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i1.lr_rpb->rpb_relation->rel_id > i2.lr_rpb->rpb_relation->rel_id :
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i1.lr_rpb->rpb_number != i2.lr_rpb->rpb_number ?
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i1.lr_rpb->rpb_number > i2.lr_rpb->rpb_number :
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i1.level > i2.level;
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}
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static inline const traRpbListElement& generate(void *sender, const traRpbListElement& Item)
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{
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return Item;
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}
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};
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typedef Firebird::SortedArray<traRpbListElement, traRpbListElement,
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traRpbListElement, traRpbListElement> traRpbArray;
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class traRpbList : public traRpbArray
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{
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public:
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traRpbList(Firebird::MemoryPool *p) :
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traRpbArray(p, 16) {}
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int PushRpb(struct rpb* value);
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bool PopRpb(struct rpb* value, int Level);
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};
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#endif //JRD_RPB_CHAIN_H
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