#ifndef JRD_Y_HANDLE_H
#define JRD_Y_HANDLE_H

/*
 *  The contents of this file are subject to the Mozilla Public
 *  License Version 1.1 (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.mozilla.org/MPL/
 *  Alternatively, the contents of this file may be used under the
 *  terms of the GNU General Public License Version 2 or later (the
 *  "GPL"), in which case the provisions of the GPL are applicable
 *  instead of those above. You may obtain a copy of the Licence at
 *  http://www.gnu.org/copyleft/gpl.html
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  Relevant for more details.
 *
 *  This file was created by members of the firebird development team.
 *  All individual contributions remain the Copyright (C) of those
 *  individuals.  Contributors to this file are either listed here or
 *  can be obtained from a CVS history command.
 *
 *  All rights reserved.
 *
 *  Contributor(s):
 *       Alex Peshkoff <peshkoff@hotmail.ru> *
 *
 */

/*
 * This definitions placed into separate file 
 * to avoid multiple definition of struct why_hndl in why.cpp
 * and dsql.cpp
 *
 */

namespace Jrd {
	class Attachment;
	class jrd_tra;
	class jrd_req;
}

union any_handle {
	struct why_hndl* h_why;
	class dsql_req* h_dsql;
	Jrd::Attachment* h_dbb;
	Jrd::jrd_tra* h_tra;
};

struct why_hndl
{
	UCHAR				type;
	UCHAR				flags;
	USHORT				implementation;
	FB_API_HANDLE		public_handle;
	union any_handle	handle;
	struct why_hndl*	parent;
	struct why_hndl*	next;
	union {
		struct why_hndl*	requests;
		struct sqlda_sup*	das;
	};
	struct why_hndl*	statements;
	struct why_hndl*	blobs;
	FB_API_HANDLE*		user_handle;
	struct clean*		cleanup;
	TEXT*				db_path;
};

typedef why_hndl *WHY_HNDL;
typedef why_hndl *WHY_REQ;
typedef why_hndl *WHY_DBB;
typedef why_hndl *WHY_TRA;
typedef why_hndl *WHY_BLB;
typedef why_hndl *WHY_ATT;
typedef why_hndl *WHY_STMT;
typedef why_hndl *WHY_SVC;

const int HANDLE_invalid		= 0;
const int HANDLE_database		= 1;
const int HANDLE_transaction	= 2;
const int HANDLE_request		= 3;
const int HANDLE_blob			= 4;
const int HANDLE_statement		= 5;
const int HANDLE_service		= 6;

const int HANDLE_TRANSACTION_limbo	= 1;
const int HANDLE_BLOB_filter		= 2;	/* Blob is locally filtered */
const int HANDLE_STATEMENT_local	= 4;	/* Process DSQL statement locally */

#endif // JRD_Y_HANDLE_H