/**
* @param nodeId Sender node ID.
* @param req Finish transaction message.
*/
@SuppressWarnings({"CatchGenericClass"})
private void processFinishRequest(UUID nodeId, GridDistributedTxFinishRequest<K, V> req) {
assert nodeId != null;
assert req != null;
GridReplicatedTxRemote<K, V> tx = ctx.tm().tx(req.version());
try {
ClassLoader ldr = ctx.deploy().globalLoader();
if (req.commit()) {
// If lock was acquired explicitly.
if (tx == null) {
// Create transaction and add entries.
tx =
ctx.tm()
.onCreated(
new GridReplicatedTxRemote<K, V>(
ldr,
nodeId,
req.threadId(),
req.version(),
req.commitVersion(),
PESSIMISTIC,
READ_COMMITTED,
req.isInvalidate(),
/*timeout */ 0,
/*read entries*/ null,
req.writes(),
ctx));
if (tx == null || !ctx.tm().onStarted(tx))
throw new GridCacheTxRollbackException(
"Attempt to start a completed " + "transaction: " + req);
} else {
boolean set = tx.commitVersion(req.commitVersion());
assert set;
}
Collection<GridCacheTxEntry<K, V>> writeEntries = req.writes();
if (!F.isEmpty(writeEntries)) {
// In OPTIMISTIC mode, we get the values at PREPARE stage.
assert tx.concurrency() == PESSIMISTIC;
for (GridCacheTxEntry<K, V> entry : writeEntries) {
// Unmarshal write entries.
entry.unmarshal(ctx, ldr);
if (log.isDebugEnabled())
log.debug(
"Unmarshalled transaction entry from pessimistic transaction [key="
+ entry.key()
+ ", value="
+ entry.value()
+ ", tx="
+ tx
+ ']');
if (!tx.setWriteValue(entry))
U.warn(
log,
"Received entry to commit that was not present in transaction [entry="
+ entry
+ ", tx="
+ tx
+ ']');
}
}
// Add completed versions.
tx.doneRemote(req.baseVersion(), req.committedVersions(), req.rolledbackVersions());
if (tx.pessimistic()) tx.prepare();
tx.commit();
} else if (tx != null) {
tx.doneRemote(req.baseVersion(), req.committedVersions(), req.rolledbackVersions());
tx.rollback();
}
if (req.replyRequired()) {
GridCacheMessage<K, V> res =
new GridDistributedTxFinishResponse<K, V>(req.version(), req.futureId());
try {
ctx.io().send(nodeId, res);
} catch (Throwable e) {
// Double-check.
if (ctx.discovery().node(nodeId) == null) {
if (log.isDebugEnabled())
log.debug(
"Node left while sending finish response [nodeId="
+ nodeId
+ ", res="
+ res
+ ']');
} else
U.error(
log,
"Failed to send finish response to node [nodeId=" + nodeId + ", res=" + res + ']',
e);
}
}
} catch (GridCacheTxRollbackException e) {
if (log.isDebugEnabled())
log.debug("Attempted to start a completed transaction (will ignore): " + e);
} catch (Throwable e) {
U.error(
log,
"Failed completing transaction [commit=" + req.commit() + ", tx=" + CU.txString(tx) + ']',
e);
if (tx != null) tx.rollback();
}
}
