src/jrd/rpb_chain.h

/*
 *      PROGRAM:        Server Code
 *      MODULE:         rpb_chain.h
 *      DESCRIPTION:    Keeps track of record_param's, updated_in_place by
 *                              single transcation
 *
 * The contents of this file are subject to the Interbase Public
 * License Version 1.0 (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.Inprise.com/IPL.html
 *
 * Software distributed under the License is distributed on an
 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Created by: Alex Peshkov <peshkoff@mail.ru>
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 */
 
#ifndef JRD_RPB_CHAIN_H
#define JRD_RPB_CHAIN_H

#include "../jrd/gdsassert.h"
#include <string.h>

#include "../common/classes/array.h"
#include "../jrd/jrd.h"
#include "../jrd/req.h"

// req.h defines struct record_param

namespace Jrd {

class traRpbListElement
{
public:
        record_param* lr_rpb;
        int level;
        traRpbListElement(record_param* r, USHORT l) : 
                        lr_rpb(r), level(l) {}
        traRpbListElement() {}

        static inline const bool greaterThan(const traRpbListElement& i1, const traRpbListElement& i2)
        {
                return i1.lr_rpb->rpb_relation->rel_id != i2.lr_rpb->rpb_relation->rel_id ? 
                           i1.lr_rpb->rpb_relation->rel_id > i2.lr_rpb->rpb_relation->rel_id :
                           i1.lr_rpb->rpb_number != i2.lr_rpb->rpb_number ?
                           i1.lr_rpb->rpb_number > i2.lr_rpb->rpb_number : 
                           i1.level > i2.level;
        }

        static inline const traRpbListElement& generate(const void *sender, const traRpbListElement& Item)
        {
                return Item;
        }
};


typedef Firebird::SortedArray<traRpbListElement, 
        Firebird::InlineStorage<traRpbListElement, 16>, traRpbListElement, 
        traRpbListElement, traRpbListElement> traRpbArray;
class traRpbList : public traRpbArray
{
public:
        traRpbList(Firebird::MemoryPool& p) : 
                traRpbArray(p) {}
        int PushRpb(record_param* value);
        bool PopRpb(record_param* value, int Level);
};

} //namespace Jrd

#endif  //JRD_RPB_CHAIN_H

1	/*
2	* PROGRAM: Server Code
3	* MODULE: rpb_chain.h
4	* DESCRIPTION: Keeps track of record_param's, updated_in_place by
5	* single transcation
6	*
7	* The contents of this file are subject to the Interbase Public
8	* License Version 1.0 (the "License"); you may not use this file
9	* except in compliance with the License. You may obtain a copy
10	* of the License at http://www.Inprise.com/IPL.html
11	*
12	* Software distributed under the License is distributed on an
13	* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
14	* or implied. See the License for the specific language governing
15	* rights and limitations under the License.
16	*
17	* Created by: Alex Peshkov <peshkoff@mail.ru>
18	*
19	* All Rights Reserved.
20	* Contributor(s): ______________________________________.
21	*/
22
23	#ifndef JRD_RPB_CHAIN_H
24	#define JRD_RPB_CHAIN_H
25
26	#include "../jrd/gdsassert.h"
27	#include <string.h>
28
29	#include "../common/classes/array.h"
30	#include "../jrd/jrd.h"
31	#include "../jrd/req.h"
32
33	// req.h defines struct record_param
34
35	namespace Jrd {
36
37	class traRpbListElement
38	{
39	public:
40	record_param* lr_rpb;
41	int level;
42	traRpbListElement(record_param* r, USHORT l) :
43	lr_rpb(r), level(l) {}
44	traRpbListElement() {}
45
46	static inline const bool greaterThan(const traRpbListElement& i1, const traRpbListElement& i2)
47	{
48	return i1.lr_rpb->rpb_relation->rel_id != i2.lr_rpb->rpb_relation->rel_id ?
49	i1.lr_rpb->rpb_relation->rel_id > i2.lr_rpb->rpb_relation->rel_id :
50	i1.lr_rpb->rpb_number != i2.lr_rpb->rpb_number ?
51	i1.lr_rpb->rpb_number > i2.lr_rpb->rpb_number :
52	i1.level > i2.level;
53	}
54
55	static inline const traRpbListElement& generate(const void *sender, const traRpbListElement& Item)
56	{
57	return Item;
58	}
59	};
60
61
62	typedef Firebird::SortedArray<traRpbListElement,
63	Firebird::InlineStorage<traRpbListElement, 16>, traRpbListElement,
64	traRpbListElement, traRpbListElement> traRpbArray;
65	class traRpbList : public traRpbArray
66	{
67	public:
68	traRpbList(Firebird::MemoryPool& p) :
69	traRpbArray(p) {}
70	int PushRpb(record_param* value);
71	bool PopRpb(record_param* value, int Level);
72	};
73
74	} //namespace Jrd
75
76	#endif //JRD_RPB_CHAIN_H
77