@Override
public Object visitCommitCommand(TxInvocationContext ctx, CommitCommand command)
throws Throwable {
if (ctx.getCacheTransaction() instanceof RemoteTransaction) {
// If a commit is received for a transaction that doesn't have its 'lookedUpEntries' populated
// we know for sure this transaction is 2PC and was received via state transfer but the
// preceding PrepareCommand
// was not received by local node because it was executed on the previous key owners. We need
// to re-prepare
// the transaction on local node to ensure its locks are acquired and lookedUpEntries is
// properly populated.
RemoteTransaction remoteTx = (RemoteTransaction) ctx.getCacheTransaction();
if (remoteTx.isMissingLookedUpEntries()) {
remoteTx.setMissingLookedUpEntries(false);
PrepareCommand prepareCommand;
if (useVersioning) {
prepareCommand =
commandFactory.buildVersionedPrepareCommand(
ctx.getGlobalTransaction(), ctx.getModifications(), false);
} else {
prepareCommand =
commandFactory.buildPrepareCommand(
ctx.getGlobalTransaction(), ctx.getModifications(), false);
}
commandFactory.initializeReplicableCommand(prepareCommand, true);
prepareCommand.setOrigin(ctx.getOrigin());
log.tracef(
"Replaying the transactions received as a result of state transfer %s", prepareCommand);
prepareCommand.perform(null);
}
}
return handleTxCommand(ctx, command);
}
private void applyTransactions(Address sender, Collection<TransactionInfo> transactions) {
log.debugf(
"Applying %d transactions for cache %s transferred from node %s",
transactions.size(), cacheName, sender);
if (isTransactional) {
for (TransactionInfo transactionInfo : transactions) {
CacheTransaction tx =
transactionTable.getLocalTransaction(transactionInfo.getGlobalTransaction());
if (tx == null) {
tx = transactionTable.getRemoteTransaction(transactionInfo.getGlobalTransaction());
if (tx == null) {
tx =
transactionTable.getOrCreateRemoteTransaction(
transactionInfo.getGlobalTransaction(), transactionInfo.getModifications());
((RemoteTransaction) tx).setMissingLookedUpEntries(true);
}
}
for (Object key : transactionInfo.getLockedKeys()) {
tx.addBackupLockForKey(key);
}
}
}
}