mirror of
https://github.com/FirebirdSQL/firebird.git
synced 2025-01-31 06:43:02 +01:00
91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
/*
|
|
* The contents of this file are subject to the Initial
|
|
* Developer's 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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
|
|
*
|
|
* Software distributed under the License is distributed AS IS,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing rights
|
|
* and limitations under the License.
|
|
*
|
|
* The Original Code was created by Dmitry Yemanov
|
|
* for the Firebird Open Source RDBMS project.
|
|
*
|
|
* Copyright (c) 2006 Dmitry Yemanov <dimitr@users.sf.net>
|
|
* and all contributors signed below.
|
|
*
|
|
* All Rights Reserved.
|
|
* Contributor(s): ______________________________________.
|
|
* Adriano dos Santos Fernandes
|
|
*/
|
|
|
|
#ifndef JRD_VIRTUAL_TABLE_H
|
|
#define JRD_VIRTUAL_TABLE_H
|
|
|
|
namespace Jrd {
|
|
|
|
|
|
class RecordStream //// TODO: create RecordStream.h
|
|
{
|
|
public:
|
|
explicit RecordStream(RecordSource* aRsb)
|
|
: rsb(aRsb)
|
|
{
|
|
}
|
|
|
|
virtual ~RecordStream()
|
|
{
|
|
}
|
|
|
|
public:
|
|
virtual void findRsbs(StreamStack* streamList, RsbStack* /*rsbList*/)
|
|
{
|
|
streamList->push(rsb->rsb_stream);
|
|
}
|
|
|
|
virtual void invalidate(thread_db* /*tdbb*/, record_param* rpb)
|
|
{
|
|
rpb->rpb_number.setValid(false);
|
|
}
|
|
|
|
public:
|
|
virtual unsigned dump(UCHAR* buffer, unsigned bufferLen) = 0;
|
|
virtual void open(thread_db* tdbb, jrd_req* request) = 0;
|
|
virtual void close(thread_db* tdbb) = 0;
|
|
virtual bool get(thread_db* tdbb, jrd_req* request) = 0;
|
|
virtual void markRecursive() = 0;
|
|
|
|
protected:
|
|
RecordSource* rsb;
|
|
};
|
|
|
|
|
|
class VirtualTable : public RecordStream
|
|
{
|
|
private:
|
|
explicit VirtualTable(RecordSource* aRsb)
|
|
: RecordStream(aRsb)
|
|
{
|
|
}
|
|
|
|
public:
|
|
static RecordSource* create(thread_db*, OptimizerBlk*, SSHORT);
|
|
static void erase(thread_db*, record_param*);
|
|
static void modify(thread_db*, record_param*, record_param*);
|
|
static void store(thread_db*, record_param*);
|
|
|
|
public:
|
|
virtual unsigned dump(UCHAR* buffer, unsigned bufferLen);
|
|
virtual void open(thread_db* tdbb, jrd_req* request);
|
|
virtual void close(thread_db* tdbb);
|
|
virtual bool get(thread_db* tdbb, jrd_req* request);
|
|
virtual void markRecursive();
|
|
};
|
|
|
|
|
|
} // namespace Jrd
|
|
|
|
#endif // JRD_VIRTUAL_TABLE_H
|