// static method
DbTxn *DbTxn::wrap_DB_TXN(DB_TXN *txn)
{
DbTxn *wrapped_txn = get_DbTxn(txn);
// txn may have a valid parent transaction, but here we don't care.
// We maintain parent-kid relationship in DbTxn only to make sure
// unresolved kids of DbTxn objects are deleted.
return (wrapped_txn != NULL) ? wrapped_txn : new DbTxn(txn, NULL);
}
JNIEXPORT jobject JNICALL Java_com_sleepycat_db_xa_DbXAResource_xa_1attach
(JNIEnv *jnienv, jclass jthisclass, jobject jxid, jobject jrmid)
{
XID xid;
XID *xidp;
int ret;
DB_ENV *env;
DB_TXN *txn;
int rmid;
int *rmidp;
jobject jtxn;
jobject jenv;
jclass cl;
jmethodID mid;
COMPQUIET(jthisclass, NULL);
if (jxid == NULL) {
xidp = NULL;
}
else {
xidp = &xid;
if (!get_XID(jnienv, jxid, &xid))
return (NULL);
}
if (jrmid == NULL) {
rmidp = NULL;
}
else {
rmidp = &rmid;
rmid = (int)(*jnienv)->CallIntMethod(jnienv, jrmid,
mid_Integer_intValue);
}
if ((ret = db_env_xa_attach(rmidp, xidp, &env, &txn)) != 0) {
/*
* DB_NOTFOUND is a normal return, it means we
* have no current transaction,
*/
if (ret != DB_NOTFOUND)
verify_return(jnienv, ret, 0);
return (NULL);
}
jenv = ((DB_ENV_JAVAINFO *)env->api2_internal)->jenvref;
jtxn = get_DbTxn(jnienv, txn);
if ((cl = get_class(jnienv, name_DB_XAATTACH)) == NULL)
return (NULL);
mid = (*jnienv)->GetMethodID(jnienv, cl, "<init>",
"(Lcom/sleepycat/db/DbEnv;Lcom/sleepycat/db/DbTxn;)V");
return (*jnienv)->NewObject(jnienv, cl, mid, jenv, jtxn);
}
// static method
DbTxn *DbTxn::wrap_DB_TXN(DB_TXN *txn)
{
DbTxn *wrapped_txn = get_DbTxn(txn);
return (wrapped_txn != NULL) ? wrapped_txn : new DbTxn(txn);
}