public CompletedTransactionStatus getTransactionStatus(GlobalTransaction gtx) {
CompletedTransactionInfo completedTx = completedTransactions.get(gtx);
if (completedTx != null) {
return completedTx.successful
? CompletedTransactionStatus.COMMITTED
: CompletedTransactionStatus.ABORTED;
}
// Transaction ids are allocated in sequence, so any transaction with a smaller id must have
// been started
// before a transaction that was already removed from the completed transactions map because
// it was too old.
// We assume that the transaction was either committed, or it was rolled back (e.g. because
// the prepare
// RPC timed out.
// Note: We must check the id *after* verifying that the tx doesn't exist in the map.
if (gtx.getId() > globalMaxPrunedTxId) return CompletedTransactionStatus.NOT_COMPLETED;
Long nodeMaxPrunedTxId = nodeMaxPrunedTxIds.get(gtx.getAddress());
if (nodeMaxPrunedTxId == null) {
// We haven't removed any transaction for this node
return CompletedTransactionStatus.NOT_COMPLETED;
} else if (gtx.getId() > nodeMaxPrunedTxId) {
// We haven't removed this particular transaction yet
return CompletedTransactionStatus.NOT_COMPLETED;
} else {
// We already removed the status of this transaction from the completed transactions map
return CompletedTransactionStatus.EXPIRED;
}
}
/** @see #markTransactionCompleted(GlobalTransaction, boolean) */
public boolean isTransactionCompleted(GlobalTransaction gtx) {
if (completedTransactions.containsKey(gtx)) return true;
// Transaction ids are allocated in sequence, so any transaction with a smaller id must have
// been started
// before a transaction that was already removed from the completed transactions map because
// it was too old.
// We assume that the transaction was either committed, or it was rolled back (e.g. because
// the prepare
// RPC timed out.
// Note: We must check the id *after* verifying that the tx doesn't exist in the map.
if (gtx.getId() > globalMaxPrunedTxId) return false;
Long nodeMaxPrunedTxId = nodeMaxPrunedTxIds.get(gtx.getAddress());
return nodeMaxPrunedTxId != null && gtx.getId() <= nodeMaxPrunedTxId;
}