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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997-2009 Oracle. All rights reserved.
*
* $Id$
*/
#include "db_config.h"
#include "db_int.h"
#include "db_cxx.h"
#include "dbinc/cxx_int.h"
// Helper macro for simple methods that pass through to the
// underlying C method. It may return an error or raise an exception.
// Note this macro expects that input _argspec is an argument
// list element (e.g., "char *arg") and that _arglist is the arguments
// that should be passed through to the C method (e.g., "(db, arg)")
//
#define DBSEQ_METHOD(_name, _argspec, _arglist, _destructor) \
int DbSequence::_name _argspec \
{ \
int ret; \
DB_SEQUENCE *seq = unwrap(this); \
DbEnv *dbenv = DbEnv::get_DbEnv(seq->seq_dbp->dbenv); \
\
ret = seq->_name _arglist; \
if (_destructor) \
imp_ = 0; \
if (!DB_RETOK_STD(ret)) \
DB_ERROR(dbenv, \
"DbSequence::" # _name, ret, ON_ERROR_UNKNOWN); \
return (ret); \
}
DbSequence::DbSequence(Db *db, u_int32_t flags)
: imp_(0)
{
DB_SEQUENCE *seq;
int ret;
if ((ret = db_sequence_create(&seq, unwrap(db), flags)) != 0)
DB_ERROR(db->get_env(), "DbSequence::DbSequence", ret,
ON_ERROR_UNKNOWN);
else {
imp_ = seq;
seq->api_internal = this;
}
}
DbSequence::DbSequence(DB_SEQUENCE *seq)
: imp_(seq)
{
seq->api_internal = this;
}
DbSequence::~DbSequence()
{
DB_SEQUENCE *seq;
seq = unwrap(this);
if (seq != NULL)
(void)seq->close(seq, 0);
}
DBSEQ_METHOD(open, (DbTxn *txnid, Dbt *key, u_int32_t flags),
(seq, unwrap(txnid), key, flags), 0)
DBSEQ_METHOD(initial_value, (db_seq_t value), (seq, value), 0)
DBSEQ_METHOD(close, (u_int32_t flags), (seq, flags), 1)
DBSEQ_METHOD(remove, (DbTxn *txnid, u_int32_t flags),
(seq, unwrap(txnid), flags), 1)
DBSEQ_METHOD(stat, (DB_SEQUENCE_STAT **sp, u_int32_t flags),
(seq, sp, flags), 0)
DBSEQ_METHOD(stat_print, (u_int32_t flags), (seq, flags), 0)
DBSEQ_METHOD(get,
(DbTxn *txnid, int32_t delta, db_seq_t *retp, u_int32_t flags),
(seq, unwrap(txnid), delta, retp, flags), 0)
DBSEQ_METHOD(get_cachesize, (int32_t *sizep), (seq, sizep), 0)
DBSEQ_METHOD(set_cachesize, (int32_t size), (seq, size), 0)
DBSEQ_METHOD(get_flags, (u_int32_t *flagsp), (seq, flagsp), 0)
DBSEQ_METHOD(set_flags, (u_int32_t flags), (seq, flags), 0)
DBSEQ_METHOD(get_range, (db_seq_t *minp, db_seq_t *maxp), (seq, minp, maxp), 0)
DBSEQ_METHOD(set_range, (db_seq_t min, db_seq_t max), (seq, min, max), 0)
Db *DbSequence::get_db()
{
DB_SEQUENCE *seq = unwrap(this);
DB *db;
(void)seq->get_db(seq, &db);
return Db::get_Db(db);
}
Dbt *DbSequence::get_key()
{
DB_SEQUENCE *seq = unwrap(this);
memset(&key_, 0, sizeof(DBT));
(void)seq->get_key(seq, &key_);
return Dbt::get_Dbt(&key_);
}
// static method
DbSequence *DbSequence::wrap_DB_SEQUENCE(DB_SEQUENCE *seq)
{
DbSequence *wrapped_seq = get_DbSequence(seq);
return (wrapped_seq != NULL) ? wrapped_seq : new DbSequence(seq);
}
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